CN104790289A

CN104790289A - Steel composite PSC corrugated steel plate U-shaped girder simple bridge and continuous bridge

Info

Publication number: CN104790289A
Application number: CN201510093743.2A
Authority: CN
Inventors: 盧炅範; 盧又鉉; 安声镛; 安善福
Original assignee: Woo Kyung Tech; Beijing Di Sheng Kechuang Construction Engineering Corp Ltd
Current assignee: Woo Kyung Tech; Beijing Di Sheng Kechuang Construction Engineering Corp Ltd
Priority date: 2014-05-26
Filing date: 2015-03-03
Publication date: 2015-07-22
Also published as: KR101455747B1

Abstract

A U-shaped girder (20) includes a concrete lower flange (201), a pair of concrete upper flanges (202), and a pair of corrugated steel plate web (203) connected to two sides of the concrete lower flange (201) and the pair of concrete upper flanges (202). A first inner tensile PS steel wire filling pier and anchor zones (22a) are arranged below the two ends of the U-shaped girder (20). A second inner tensile PS steel wire filling pier and anchor zones (22b), deviating from the two ends of the U-shaped girder (20), are arranged above the concrete lower flange (201). First and second outer tensile PS steel wire filling piers and anchor zones (24, 25) are arranged successively from top to bottom along the two ends of the U-shaped girder (20). First and second inner tensile PS steel wires (W1, W2) are stretched by a bridge manufacturer. First and second outer tensile PS steel wires (W1, W2) are arranged on a bridge stand (10) of the U-shaped girder (20), and are stretched on a prefabricated bridge panel (23) after casting of the bridge panel. Through application of the invention, lift force can be transmitted above in a more uniform and more effective manner when prestress is introduced.

Description

A kind of steel U-shaped simply supported girder bridge of compound PSC corrugated steel and continuous girder bridge

[technical field]

The present invention relates to the U-shaped simply supported girder bridge of a kind of steel compound PSC corrugated steel and continuous girder bridge.

[background technology]

In general the U-shaped beam of PSC in the past uses method as described below, namely with span unit, is made by post stretching or the pre-add method of opening, and after being erected at abutment, bridge pier, on the fulcrum of inner side, presents serialization by bridge plate.This beam bridge is larger compared with PSC I type beam weight, required for making, carrying, to promote, the making manufacturer of erection and support too much, its practicality is restricted, and is not therefore substantially used in China.In the middle of nearest construction example, the U-shaped beam of PSC is often made into unit sections form on a small scale, but the joint quantity of beam sections is too much, need in beam sections junction, steel work makeshift device is set on a large scale, in, in the middle of small-scale bridge construction, due to so many makeshift device expense can not be born, lack economic benefit, therefore its practicality is poor.Further, steel box-girder is in the past compared with the U-shaped beam of PSC, and its weight is lighter, and also carries out at the scene combining, settling with the making of sections unit in making manufacturer, sets up also more simple, is therefore widely adopted.However, in fact, the use amount of steel box-girder in the past to steel is more, and operating expenses is also very high, is unfavorable for reducing cost.For this reason, although it is more less than steel box girder bridge to employ operating expenses, construction also more simple U-shaped girder steel, compared with the U-shaped beam of PSC, is wanting in apart from very large in economy.Further, for the U-shaped beam of steel compound PSC corrugated steel in the past, on corrugated steel and PSC beam, the composite structure of lower flange of girder edge is after boring a hole in the top and the bottom of corrugated steel web, and laterally inserted shear connector and PSC concrete synthesize.On beam, lower flange of girder edge is when building concrete, and the web of corrugated steel is subjected to displacement, and causes performance to reduce, and strengthens the concrete synthesis difficulty in beam top flange.Moreover, the tension force of PC steel wire, major part is also constructed by 1 inner tensile, only bears deadweight and mobile load by the effect of 1 inner tensile, therefore makes the section of concrete beam bottom flange increase, and increase the consumption of PC steel wire.And anchor block and anchorage zone are also all placed in the two ends of bridge, cause the tension force of PS steel wire effectively to play, at home except the Project case of 1 bridge, cannot extensively be suitable for.

[summary of the invention]

In order to solve the problem, the invention provides a kind of when importing prestressing force, can lifting force be made evenly and be more effectively delivered to the U-shaped beam simply supported girder bridge of steel compound PSC corrugated steel and the continuous girder bridge on top.Further, the invention provides a kind of engineering cost cheap, the U-shaped simply supported girder bridge of steel compound PSC corrugated steel that the weight of beam is little and continuous girder bridge.Further, the invention provides the U-shaped simply supported girder bridge of steel compound PSC corrugated steel that construction is more prone to and continuous girder bridge that a kind of steel and concrete synthesize with optimal proportion.

A kind of steel compound PSC corrugated steel U freely-supported type beam bridge, it comprises concrete beam bottom flange (201), a pair coagulation degree beam top flange (202) and connect the U-shaped beam (20) of a pair corrugated steel web (203) of (201) both sides, described concrete beam bottom flange and a pair concrete beam top flange (202) respectively; It is characterized in that, at described U-shaped beam (20) two ends, have concrete beam bottom flange (201), a pair coagulation degree beam top flange (202) and connect a pair abutment bearing concrete partition block (21) of a pair corrugated steel web (203) respectively; At upper arrangement half prefabricated bridge (23) of described concrete beam top flange (202); The 1st is provided with, 2 inner tensile PS steel wires (W1, W2) in described concrete beam bottom flange (201) inside; The 1st is located at, 2 outside stretching PS steel wire (W3, W4) in the inner space of described U-shaped beam (20); Described 1st, 2 inner tensile PS steel wires (W1, W2) difference anchorings a pair the 1st, 2 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b); And the described 1st, 2 outside stretching PS steel wire (W3, W4) difference anchoring a pair the 1st, 2 outside stretching PS steel wire anchor block and anchorage zones (24,25), described 1st inner tensile PS steel wire anchor block and anchorage zone (22a) are placed in the bottom at described U-shaped beam (20) two ends, 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) depart from described U-shaped beam (20) two ends, are placed in described lower flange of girder edge (201) upper end; Described 1st, 2 outside stretching PS steel wire anchor blocks and anchorage zone (24,25) are settled downwards successively from the top at described U-shaped beam (20) two ends, and the described 1st, 2 inner tensile PS steel wires (W1, W2) make manufacturer at bridge and stretch; Described 1st, 2 outside stretching PS steel wire (W3, W4) are placed on the abutment (10) of described U-shaped beam (20), stretch after described half prefabricated bridge (23) builds bridge plate.

Further, described freely-supported type beam bridge also comprises pair of outside saddle type block, pair of inside saddle type block, concrete web block, steel work upper chord, left and right sides steel work diagonal web member; Described pair of outside saddle type block (27) is in described 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) inner side, with the both sides of described concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 2nd outside stretching PS steel wire (W4) deflection; Described pair of inside saddle type block (26) is in the inner side of described pair of outside saddle type block (27), with the both sides of described concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflection; Described concrete web block (29) is attached to corrugated steel web (203) inner side between described medial and lateral saddle type block (26,27) to described concrete beam top flange (202); Described steel work upper chord (30), on described web block (29) top, is connected with corrugated steel web (203); Described left and right sides steel work diagonal web member (31) connects the center of described steel work upper chord (30) and described medial and lateral saddle type block (26,27) in its both sides; The lifting force of the described 1st, 2 outside stretching PS steel wire (W3, W4) can rely on concrete web block (29) about it and left and right sides steel work diagonal web member (31), by W shape braced structures, transmits to top.

Further, described freely-supported type beam bridge comprises again outside stretching PS steel wire anchor block and the anchorage zone of a pair maintenance management, and for maintaining the saddle pipe of management.Outside stretching PS steel wire anchor block and anchorage zone (40) of described a pair maintenance management are placed in the described 1st, between 2 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b); The described saddle pipe (41) for maintaining management is placed on described medial and lateral saddle type block (26,27).

The U-shaped continuous girder bridge of a kind of steel compound PSC corrugated steel, it is characterized in that, it comprises concrete beam bottom flange (201), a pair concrete beam top flange (202) and connect a pair corrugated steel web (203) of (201) both sides, described concrete beam bottom flange and a pair concrete beam top flange (202) respectively, comprise again the outside U-shaped beam of span and the U-shaped beam of inner side span, abutment bearing concrete partition block and bridge pier bearing pad concrete partition block, half prefabricated bridge, 1st, 2 inner tensile PS steel wires, 1st, 2 outside stretching PS steel wires, 1st, 2 inner tensile PS steel wire anchor blocks and anchorage zone and the 1st, 2 outside stretching PS steel wire anchor block and anchorage zones, the U-shaped beam of described outside span (50a) is placed between abutment (10) and bridge pier, and the U-shaped beam of described inner side span (50b) is placed between bridge pier and bridge pier, described abutment bearing concret block (21) and bridge pier bearing pad concret block (71) are at described outside span U-shaped beam (50a) outboard end and described outer, the U-shaped (50a of inner side span, on tie point 50b), connect described concrete beam bottom flange (201), a pair concrete beam top flange (202) and a pair corrugated steel web (203), described half prefabricated bridge (23) is placed on the concrete beam top flange (202) of described outer, the U-shaped beam (50a, 50b) of inner side span, described 1st, it is inner that 2 inner tensile PS steel wires (W1, W2) are arranged at described concrete beam bottom flange (201) that is outer, the U-shaped beam (50a, 50b) of inner side span, described 1st, 2 outside stretching PS steel wire (W3, W4) are arranged at the inner space of described outer, the U-shaped beam (50a, 50b) of inner side span, described 1st, 2 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b) be the 1st, 2 inner tensile PS steel wires (W1, W2) described in anchoring respectively, and the described 1st, 2 outside stretching PS steel wire anchor block and anchoring distinguish outside stretching PS steel wire (W3, W4) of (24,25) other anchoring the 1st, 2, described 1st inner tensile PS steel wire anchor block and anchorage zone (22a) are placed in described outer, the U-shaped beam (50a of inner side span, 50b) the bottom at two ends, described 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) be placed in from described, inner side span U-shaped beam (50a, 50b) inward at both ends lateral deviation with a certain distance from described concrete beam bottom flange (201) on, described 1st outside stretching PS steel wire anchor block and anchorage zone (24) are placed in the outer upper of the U-shaped beam of described outside span (50a) and the top of described outer, inner side span U-shaped beam (50a, 50b) tie point both sides respectively, described 2nd outside stretching PS steel wire anchor block and anchorage zone (25) are placed in the outer upper of the U-shaped beam of described outside span (50a), and are in the below of described 1st outside stretching PS steel wire anchor block and anchorage zone (24), described 1st outside stretching PS steel wire (W3), at described outer, the U-shaped beam (50a of inner side span, after 50b) being placed in described abutment (10) and bridge pier continuously, connecting with adjacent described outer, the U-shaped beam (50a, 50b) of inner side span and stretch, all bridges between the U-shaped beam of described outside span (50a), after described half prefabricated bridge (23) builds bridge plate, are carried out connecting and stretching by described 2nd outside stretching steel wire (W4).

Further, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises again pair of outside saddle type block, pair of inside saddle type block, concrete web block, steel work upper chord and steel work diagonal web member in addition.Described pair of outside saddle type block (27) is at described outer, the U-shaped beam (50a of inner side span, 50b) each 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) inner side, the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 2nd outside stretching PS steel wire (W4) deflect; Described pair of inside saddle type block (26) is in the inner side of described pair of outside saddle type block (27), the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflect; Described concrete web block (29) is attached to corrugated steel web (203) inner surface on each concrete beam bottom flange (202) of described medial and lateral saddle type block (26,27); Described steel work upper chord (30), on the top of described concrete web block (29), connects both sides corrugated steel web (203); And described steel work diagonal web member (31) is at the central part of described steel work upper chord (30), described medial and lateral saddle type block (26,27) are connected; The lifting force of the described 1st, 2 outside stretching PS steel wire (W3, W4), by concrete web block (29) and steel work diagonal web member (31) the formation W type braced structures of left and right sides, and transmits to top.

Further, the U-shaped continuous girder bridge of steel compound PSC corrugated steel is in described inner side span U-shaped beam (50b) internal blocks (26), the position of the 2nd outside stretching PS steel wire (W4) is placed in the upper end of the 1st outside stretching PS steel wire (W3), thus makes the moment of flexure between the outside U-shaped beam of span (50a) and the U-shaped beam of inner side span (50b) reach balance.

Further, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises again outside stretching PS steel wire anchor block for maintaining management and anchorage zone and in addition for maintaining the saddle pipe in pipe.Described outside stretching PS steel wire anchor block and anchorage zone (40) are positioned at the outboard end of the U-shaped beam of described outside span (50a), concrete beam bottom flange (201) top between be adjacent the 2nd inner PS steel wire anchor block and anchorage zone (22b), and on the both sides of the connection holder top of outer, the U-shaped girder segment (50a, 50b) in inner side; And the described saddle pipe (41) for maintaining management is placed on described medial and lateral saddle type block (26,27); If desired, for maintaining outside stretching PS steel wire anchor block and anchorage zone (40) and the saddle pipe (41) of management described in utilizing, adjacent beam can being coupled together, increasing the tension force of the outside stretching PS steel wire for maintaining management.

The U-shaped continuous girder bridge of a kind of steel compound PSC corrugated steel, comprise concrete beam bottom flange (201), a pair concrete beam top flange (202), and connect a pair corrugated steel web (203) of (203) both sides, described concrete beam bottom flange and a pair concrete beam top flange (202) respectively, it is characterized in that, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises and is placed in the U-shaped beam sections of abutment bearing, the U-shaped beam sections of bridge pier bearing pad, the U-shaped beam sections of span center, abutment bearing concrete partition block and bridge pier bearing pad concrete partition block, half prefabricated bridge floor version, 1st, 2, 3 inner tensile PS steel wires, 1st, 2 outside stretching PS steel wires, 1st, 2, 3 inner tensile PS steel wire anchor blocks and anchorage zone and the 1st, 2 outside stretching PS steel wire anchor block and anchorage zones.The U-shaped beam sections of described abutment bearing (100a) is placed in abutment (10) one end, the U-shaped beam sections of described bridge pier bearing pad (100b) is placed in bridge pier, and the U-shaped beam sections of described span center (100c) is placed in the span center between bridge pier and bridge pier, described abutment bearing concrete partition block (21) and the outboard end of bridge pier bearing pad concrete partition block (71) at the U-shaped beam sections of described abutment bearing (100a) and the central authorities of the U-shaped beam sections of bridge pier bearing pad (100b), connect concrete beam bottom flange (201), a pair concrete beam top flange (202) and a pair corrugated steel web (203), described half prefabricated bridge (23) is placed on the concrete beam top flange (202) of described U-shaped beam sections (100a, 100b, 100c), the concrete beam bottom flange (201) that described 1st, 2,3 inner tensile PS steel wires (W1, W2, W5) are positioned at described U-shaped beam sections (100a, 100b, 100c) is inner, described 1st, 2 outside stretching PS steel wire (W3, W4) are located at the inner space of described U-shaped beam sections (100a, 100b, 100c), described 1st, 2,3 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b, 22c) be the 1st, 2,3 inner tensile PS steel wires (W1, W2, W5) described in anchoring respectively, and the described 1st, 2 outside stretching PS steel wire anchor block and anchorage zone (24,25) the 1st, 2 outside stretching PS steel wire (W3, W4) described in anchoring respectively, described 1st inner tensile PS steel wire anchor block and anchorage zone (22a) are positioned at described each U-shaped beam sections (100a, 100b, 100c) the bottom of both side ends, 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) are from described each U-shaped beam sections (100a, 100b, 100c) depart from certain distance to the inside inside both side ends, be positioned on concrete beam bottom flange (201), described 3rd inner tensile PS steel wire anchor block and anchorage zone (22c) can make described each U-shaped beam sections (100a, 100b, be interconnected 100c), be positioned at each U-shaped beam sections (100a, 100b, on the concrete beam bottom flange (201) of 100c) tie point both sides, described 1st stretching PS steel wire anchor block and anchorage zone (24) are positioned at the outside on described abutment bearing U-shaped beam (100a) top and the both sides on bridge pier bearing pad concrete partition block (71) top.Described 2nd outside stretching PS steel wire anchor block and anchorage zone (25) are placed in the outside on described abutment bearing U-shaped beam sections (100a) top, are also the belows being positioned at the 1st outside stretching PS steel wire anchor block and anchorage zone (24) simultaneously; Described 1st, 2 inner tensile PS steel wires (W1, W2) make manufacturer at bridge and stretch; Described 3rd inner tensile PS steel wire (W5) is by described each U-shaped beam sections (100a, 100b, 100c) be erected on abutment (10) and bridge pier, afterwards by adjacent U-shaped beam sections (100a, 100b, 100c) connect and stretch; Adjacent U-shaped girder segment beam (100a, 100b, 100c) connects and stretches by described 1st outside stretching PS steel wire (W3) after described 3rd inner tensile PS steel wire (W5) stretches; Described 2nd outside stretching PS steel wire (W4) is build bridge plate on half prefabricated bridge (23) after, the bridge between two U-shaped beam sections of abutment bearing (100a) is all carried out connection and stretches together.

Further, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises again pair of outside saddle type block, pair of inside saddle type block, joint concret block, concrete web block, steel work upper chord, left and right sides steel work diagonal web member in addition.Described pair of outside saddle type block (27) is inside the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) of the U-shaped beam sections of described abutment bearing (100a), with the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 2nd outside stretching PS steel wire (W4) deflection; Described pair of inside saddle type block (26) is in the inner side of the described pair of outside saddle type block (27) of the U-shaped beam sections of described abutment bearing (100a), with the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflection; Described joint concret block (28), on the concrete beam bottom flange (201) of the U-shaped beam sections of bridge pier bearing pad (100b) both side ends, makes described 2nd outside stretching PS steel wire (W4) deflection; Described pair of inside saddle type block (26) is in the inner side of the described pair of outside saddle type block (22b) of the U-shaped beam sections of described abutment bearing (100c), with the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflection; Described concrete web block (29) is attached to corrugated steel web (203) inner side between described medial and lateral saddle type block (26,27) to described concrete beam top flange (202); Described steel work upper chord (30), on described web block (29) top, is connected with corrugated steel web (203); And described left and right sides steel work diagonal web member (31) connects the center of described steel work upper chord (30) and described medial and lateral saddle type block (26,27) in its both sides; Described 1st, 2 outside stretching PS steel wire (W3, W4) lifting force can rely on described medial and lateral saddle type block (29) about it and left and right sides steel work diagonal web member (31), by W shape braced structures and joint concret block (28), transmit to top.

Further, the U-shaped continuous girder bridge of described steel compound PSC corrugated steel comprises again the outboard end of the U-shaped beam sections of described abutment bearing (100a), concrete beam bottom flange (201) top between be adjacent the 2nd inner PS steel wire anchor block and anchorage zone (22b), and outside stretching PS steel wire anchor block and anchorage zone (40) for maintaining management that bridge pier bearing pad concrete partition block (71) both sides, top of the U-shaped beam sections of bridge pier bearing pad (100b) are formed; And form the saddle pipe (41) for maintaining management of described medial and lateral saddle type block; If desired, utilize described outside stretching PS steel wire anchor block for maintaining management and anchorage zone (40) with for maintaining the saddle pipe (41) of management, adjacent beam can being coupled together, increasing the tension force of the outside stretching PS steel wire for maintaining management.

Further, girder steel bottom flange (300a), multiple bottoms shear connector (300b), the shearing corrugated steel (300c) with multiple hole and multiple lower horizontal shear connector (300d) is comprised again; Described girder steel bottom flange (300a) is vertical with the lower end of corrugated steel (203) to be connect, and is attached on the concrete upper surface of described concrete beam bottom flange (201) simultaneously; Described multiple bottoms shear connector (300b) and the lower bond of girder steel bottom flange (300a), be embedded on the concrete of described concrete beam bottom flange (201) simultaneously; The described shearing corrugated steel (300c) with multiple hole is placed between described bottom shear connector (300b), is vertically integrated on described girder steel bottom flange (300a) simultaneously; Described multiple lower horizontal shear connector (300d) engages with the left and right sides level of described shearing corrugated steel (300c).

Further, by the side surface of described concrete beam bottom flange (201) and soffit, by the U-shaped simply supported girder bridge of steel compound PSC corrugated steel of the U-shaped parcel of steel.

Further, by the side surface of described concrete beam bottom flange (201) and soffit, by the U-shaped parcel of steel.

[accompanying drawing explanation]

Fig. 1 is the skiagraph of the U-shaped simply supported girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention.

Fig. 2 a to Fig. 2 f is by the skiagraph of the U-shaped simply supported girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention, from the A-A of Fig. 1, and the profile shown in B-B, C-C, D-D, E-E, F-F line direction.

Fig. 3 is the skiagraph of the U-shaped continuous girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention.

Fig. 4 a is the skiagraph of span U-shaped beam in outside in the skiagraph 3 based on the U-shaped continuous girder bridge of steel compound PSC corrugated steel of a kind of case study on implementation of the present invention.

Fig. 4 b is the skiagraph of span U-shaped beam in inner side in the skiagraph 3 based on the U-shaped continuous girder bridge of steel compound PSC corrugated steel of a kind of case study on implementation of the present invention.

(a) to (1) of Fig. 5 a to Fig. 5 d is by the skiagraph of the U-shaped continuous girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention, from the A-A of Fig. 3, B-B, C-C, D-D, E-E, F-F, G-G, H-H, I-I, J-J, profile shown in K-K, L-L line direction.

Fig. 6 is the exemplary plot of the bridge construction of the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention.

Fig. 7 is the skiagraph of the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention.

Fig. 8 a is the skiagraph of the U-shaped beam sections of skiagraph 7 jackshaft table mount of steel compound PSC corrugated steel U-shaped beam sections continuous girder bridge based on a kind of case study on implementation of the present invention.

Fig. 8 b is the skiagraph of the U-shaped beam sections of bridge pier bearing pad in the skiagraph 7 based on the steel compound PSC corrugated steel U-shaped beam sections continuous girder bridge of a kind of case study on implementation of the present invention.

Fig. 8 c is the skiagraph of the U-shaped beam sections of span center in the skiagraph 7 based on the steel compound PSC corrugated steel U-shaped beam sections continuous girder bridge of a kind of case study on implementation of the present invention.

(a) to (k) of Fig. 9 a to Fig. 9 d is by the skiagraph of the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention, from the A-A of Fig. 7, B-B, C-C, D-D, E-E, F-F, G-G, H-H, profile shown in I-I, J-J, K-K line direction.

Figure 10 a to Figure 10 b is oblique view and the profile of the U-shaped beam of steel compound PSC corrugated steel being applicable to the U-shaped simply supported girder bridge of steel compound PSC corrugated steel and continuous girder bridge in the present invention.

Figure 11 a to Figure 11 b is oblique view and the local wide figure of the corrugated steel web being applicable to the U-shaped simply supported girder bridge of steel compound PSC corrugated steel and continuous girder bridge in the present invention.

Description of reference numerals:

10: abutment

20: the U-shaped beam of steel compound PSC corrugated steel

201: concrete beam bottom flange

202: concrete beam top flange

203: corrugated steel web

21: abutment bearing concrete partition block

22a: the 1 inner tensile PS steel wire anchor block and anchorage zone

22b: the 2 inner tensile PS steel wire anchor block and anchorage zone

22c: the 3 inner tensile PS steel wire anchor block and anchorage zone

23: half prefabricated bridges

24: the 1 outside stretching PS steel wire anchor block and anchorage zones

25: the 2 outside stretching PS steel wire anchor block and anchorage zones

26: inner side saddle type block

27: outside saddle type block

29: concrete web block

30: steel work upper chord

31: steel work diagonal web member

50a: the U-shaped beam of outside span

50b: the U-shaped beam of inner side span

100a: the U-shaped beam sections of abutment bearing

100b: the U-shaped beam sections of bridge pier bearing pad

100c: the U-shaped beam sections of span center

[detailed description of the invention]

Next, will be described in detail to cases more of the present invention by accompanying drawing.Give reference marks to the element of each accompanying drawing, for identical element, although may mark in difference diagram, represent with same symbol as far as possible.Further, when case study on implementation of the present invention is described, if be an impediment to understanding case study on implementation of the present invention to indicated dependency structure or illustrating of function, then detailed description is omitted.

Further, when the element of the invention process case is described, the 1st, the 2nd, A, B is employed, (a), terms such as (b).Above-mentioned term, just in order to the element of a structure and other elements are differentiated and used, does not limit essence or the order of relevant element corresponding thereto.If certain element and certain are recorded in somewhere, other elements " are connected ", " combination ", or " contact ", can represent that described element directly connects with other key elements described or contacts, also can represent has again other key elements " to be connected " with it between each element, " combination " or " contact ".

Next, with reference to the accompanying drawings the U-shaped simply supported girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention is described in detail.

Fig. 1 is the skiagraph of the U-shaped simply supported girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention, and (a) to (f) of Fig. 2 a to Fig. 2 b is the A-A from Fig. 1, B-B, C-C, profile shown in D-D, E-E, F-F line direction.

Referring to figs. 1 through Fig. 2 b, for the U-shaped simply supported girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention, U-shaped beam (20) is placed in abutment (10) with the form of single-span.

U-shaped beam (20) is by concrete beam bottom flange (201), a pair concrete beam top flange (202), a pair corrugated steel web (203) that concrete beam bottom flange (201) both sides and a pair concrete beam top flange (202) are connected respectively is formed.

The two ends of U-shaped beam (20) are by concrete beam bottom flange (201), and a pair abutment bearing concrete partition block (21) of a pair concrete beam top flange (202) and connection a pair corrugated steel web (203) is formed.Concrete beam top flange (202) are provided with half prefabricated bridge (23).

Be provided with the 1st in concrete beam bottom flange (201) inside, 2 inner tensile PS steel wires (W1, W2), on the inner space of U-shaped beam (20), be provided with the 1st, 2 outside stretching PS steel wire (W3, W4).

1st, 2 inner tensile PS steel wire (W1, W2) make manufacturer at bridge to stretch, consider the load to synthesis bridge plate after being erected on abutment (10), bridge pier by U-shaped beam (20), described steel wire can bear the load of U-shaped beam (20), half prefabricated bridge (23) and bridge plate.

In order to respectively the 1st, 2 inner tensile PS steel wires (W1, W2) described in anchoring, be provided with the 1st inner tensile PS steel wire anchor block and anchorage zone (22a), the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b).1st inner tensile PS steel wire anchor block and anchorage zone (22a) are placed in the bottom at U-shaped beam (20) two ends, the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) be placed in from the inward at both ends lateral deviation of U-shaped beam (20) with a certain distance from concrete beam bottom flange (201).

On the one hand, be placed in by U-shaped beam (20) on abutment (10), build bridge plate and stretch, thus make the 1st on the top of half prefabricated bridge (23), 2 outside stretching PS steel wire (W3, W4) bear mobile load.

In order to the 1st, 2 outside stretching PS steel wire (W3, W4) described in difference anchoring, the 1st outside stretching PS steel wire anchor block and anchorage zone (24) and the 2nd outside stretching PS steel wire anchor block and anchorage zone (25) are installed.The top at two ends abutment bearing concrete partition block (21) of U-shaped beam (20) is located in 1st outside stretching PS steel wire anchor block and anchorage zone (24), abutment bearing concrete partition block (21) top, two ends of U-shaped beam (20) also can be located in 2nd outside stretching PS steel wire anchor block and anchorage zone (25), but will be located at the bottom of the 1st outside stretching PS steel wire anchor block and anchorage zone (24).

Further, in order to make the 1st, 2 outside stretching PS steel wire (W3, W4) deflections, arrange a pair medial and lateral saddle type block (26,27).Outside saddle type block (27) the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) inner side, with the both sides of described concrete beam bottom flange (201) and the lower bond of corrugated steel web (203).Inner side saddle type block (26) is in the inner side of pair of outside saddle type block (27), with the both sides of described concrete beam bottom flange (201) and the bottom of corrugated steel web (203), engage with a pair symmetrical structure.The lifting force of the 1st, 2 outside stretching PS steel wire (W3, W4) that medial and lateral saddle type block (26,27) will act on medial and lateral saddle type block (26,27) is delivered on U-shaped beam (20).

Now, be located at the height of the PS steel wire deflection saddle pipe of medial and lateral saddle type block (26,27), be all located at the lower end of medial and lateral block (26,27) at 4 points with unified height.

With described medial and lateral saddle type block (26,27) on the inner surface of adjacent corrugated steel web (203), concrete web block (29) is attached with to concrete beam top flange (202) from medial and lateral saddle type block (26,27).On the top of concrete web block (29), both sides corrugated steel web (203) is connected by steel work upper chord (30).The center of steel work upper chord (30) and the medial and lateral saddle type block (26 of both sides, 27) connected by the steel work diagonal web member (31) of left and right sides, 1st, 2 outside stretching PS steel wire (W3, W4) lifting force is delivered to top by the W type structure that concrete web block (29) and left and right sides steel work diagonal web member (31) are formed, make to act on medial and lateral saddle type block (26,27) the 1st on, the lifting force of 2 outside stretching PS steel wire (W3, W4) transmits most effectively upward.

Such a W shape braced structures is without the need to being just effectively delivered to thickening for corrugated steel web (203) the lifting force of the 1st, 2 outside stretching PS steel wire (W3, W4) on U-shaped beam (20).For this reason, the shear connector (with reference to Fig. 2 b) of two inner surfaces of corrugated steel web (203) is installed by modes such as welding, and concrete web block (29) is attached to this.And, in the both sides on concrete web block (29) top, settle the steel work upper chord (30) for connecting both sides corrugated steel web (203), be provided with simultaneously and connect the center of steel work upper chord (30) and the steel work diagonal web member (31) of medial and lateral, left and right sides saddle type block (26,27).Result, the concrete web block (29) synthesized with corrugated steel web (203), steel work upper chord (30), steel work diagonal web member (31) and concrete beam bottom flange (201) are made up of trussed construction, make the 1st, the lifting force of 2 outside stretching PS steel wire (W3, W4) is stably delivered on U-shaped beam (20).This be equally applicable to by later describe the U-shaped continuous girder bridge of steel compound PSC corrugated steel and the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel.

And, in use, stretch to maintain management if desired, the 1st, 2 inner tensile PS steel wire anchor blocks and anchorage zone (22a, a pair is settled for the outside stretching PS steel wire anchor block that maintains and manage and anchorage zone (40), at the upper saddle type block (41) settled for maintaining and manage of medial and lateral saddle type block (26,27) 22b).

Next, with reference to institute's diagram, be described in detail based on the U-shaped continuous girder bridge of steel compound PSC corrugated steel of the present invention.

Fig. 3 is the skiagraph of the U-shaped continuous girder bridge of steel compound PSC corrugated steel.Fig. 4 a and 4b is the skiagraph of the outside U-shaped beam of span and the U-shaped beam of inner side span in the skiagraph 3 of the U-shaped continuous girder bridge of steel compound PSC corrugated steel respectively.(a) to (1) of Fig. 5 a to Fig. 5 d is the A-A from Fig. 3, the profile shown in B-B, C-C, D-D, E-E, F-F, G-G, H-H, I-I, J-J, K-K, L-L line direction.

With reference to Fig. 3 to Fig. 5 d, be the structure of connection two the outside U-shaped beam of span (50a) and 1 inner side U-shaped beam of span (50b) based on the U-shaped Continuous Bridge of steel compound PSC corrugated steel of the present invention.The number of the inner side U-shaped beam of span (50b) can be increased where necessary.

The outside U-shaped beam of span (50a) and the U-shaped beam of inner side span (50b) are respectively by concrete beam bottom flange (201), a pair concrete beam top flange (202), each a pair corrugated steel web (203) connecting (201) both sides, concrete beam bottom flange and beam top flange, a pair concrete top (202) is formed.

In the outboard end of the U-shaped beam of outside span (50a), settle abutment bearing concrete partition block (21), outside, the U-shaped beam (50a of inner side span, on tie point 50b), be provided with and connect concrete beam bottom flange (201), the bridge pier bearing pad concrete partition block (71) of a pair concrete beam top flange (202) and a pair corrugated steel web (203).Outward, on the concrete beam top flange (202) of the U-shaped beam (50a, 50b) of inner side span, settle half prefabricated bridge (23).

Outside, the U-shaped beam (50a of inner side span, concrete beam bottom flange (201) inside 50b) is provided with the 1st, 2 inner tensile PS steel wire (W1, W2), outward, on the inner space of the U-shaped beam (50a, 50b) of inner side span, be provided with the 1st, 2 outside stretching PS steel wire (W3, W4).

1st, 2 inner tensile PS steel wire (W1, W2) outside, the U-shaped beam (50a of inner side span, after 50b) completing, make manufacturer at bridge to stretch, till before building bridge plate, the 1st, the load of outer, the U-shaped beam (50a, 50b) of inner side span and half prefabricated bridge (23) born by 2 inner tensile PS steel wires.

In order to respectively the 1st, 2 inner tensile PS steel wires (W1, W2) described in anchoring, be provided with the 1st inner tensile PS steel wire anchor block and anchorage zone (22a), the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b).1st inner tensile PS steel wire anchor block and anchorage zone (22a) are placed in outer, the U-shaped beam (50a of inner side span, 50b) the bottom at two ends, 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) be placed in from the inward at both ends lateral deviation of outer, the U-shaped beam (50a, 50b) of inner side span with a certain distance from concrete beam bottom flange (201) on.

On the one hand, 1st outside stretching PS steel wire (W3) is by outer, the U-shaped beam of inner side span (50a, 50b) set up continuously on abutment (10) or bridge pier, complete the construction of bridge pier bearing pad concrete partition block (71) and settling forever admittedly after bridging apparatus, with adjacent outer, the U-shaped beam (50a of inner side span, 50b) connect and stretch, thus bearing the load next wanting the bridge plate of construction casting.

And; 2nd outside stretching PS steel wire (W4) is after bridge plate (23) is built on half prefabricated bridge top; two outsides U-shaped beam of span (50a) carried out being connected with the U-shaped beam of inner side span (50b) between it and stretches in the lump, thus bearing mobile load.

In order to the 1st, 2 outside stretching PS steel wire (W3, W4) described in difference anchoring, the 1st outside stretching PS steel wire anchor block and anchorage zone (24) and the 2nd outside stretching PS steel wire anchor block and anchorage zone (25) are installed.1st outside stretching PS steel wire anchor block and anchorage zone (24) are located at the outer upper in the outside U-shaped beam of span (50a) and outer, the U-shaped beam (50a of inner side span respectively, 50b) the top of tie point both sides, the outer upper in the outside U-shaped beam of span (50a) also can be located in 2nd outside stretching PS steel wire anchor block and anchorage zone (25), but simultaneously will in the below of the 1st outside stretching PS steel wire anchor block and anchorage zone (24).

1st, 2 outside stretching PS steel wires are external, span U-shaped beam (50a, 50b) in inner side connects continuously.

1st outside stretching PS steel wire (W3) is divided into 3 parts and arranges.First, the 1st outside stretching PS steel wire (W3) be placed on the U-shaped beam of outside span (50a) in left side is from the U-shaped beam of outside span (50a) outer upper in left side, turn through pair of inside saddle type block (26), extend to the top of the inner side U-shaped beam of span (50b) afterwards always.And, be placed in the 1st outside stretching PS steel wire (W3) on the inner side U-shaped beam of span (50b) from bearing (bridge pier) top, the U-shaped beam of outside span (50a) inner side of side, through the pair of inside saddle type block (26) of the U-shaped beam of inner side span (50b), extend to bearing (bridge pier) top, the U-shaped beam of outside span (50a) inner side of opposite side always.That is, the 1st outside stretching PS steel wire (W3) can mainly be arranged on a U-shaped beam, but its end will extend to adjacent U-shaped beam, and mutually connects continuously, thus realizes sequential production.

And, 2nd outside stretching PS steel wire (W4) is by being placed in the 2nd outside stretching PS steel wire anchor block and anchorage zone (25) row stretching to the greatest extent of two outside span U-shaped beam (50a) upper outside, and two outsides U-shaped beam of span (50a) are all connected with the U-shaped beam of inner side span (50b) in-between, and stretch in the lump.Namely, 2nd outside stretching PS steel wire (W4) is by being placed in the 2nd outside stretching PS steel wire anchor block and anchorage zone (25) of outside, left side span U-shaped beam (50a) upper outside, pair of outside saddle type block (27), outward, U-shaped beam (the 50a of inner side span, tie point top 50b), the pair of outside saddle type block (27) of the inner side U-shaped beam of span (50b), outward, U-shaped beam (the 50a of inner side span, tie point top 50b), the 2nd outside stretching PS steel wire anchor block and anchorage zone (25) that are placed in outside, right side span U-shaped beam (50a) upper outside are connected.At this moment, in the central authorities of the U-shaped beam of outside span (50a), the 1st, 2 outside stretching PS steel wire (W3, W4) are at same height.In the central authorities of the U-shaped beam of inner side span (50b), the 2nd outside stretching PS steel wire (W4) is positioned at higher position than the 1st outside stretching PS steel wire (W3).This is the situation that the moment of flexure of the U-shaped beam of span (50a) outside the bending moment ratio in order to the corresponding inner side U-shaped beam of span (50b) is less, makes the eccentric throw of the 2nd outside stretching PS steel wire (W4) of the inner side U-shaped beam of span (50b) be less than the eccentric throw in the outside U-shaped beam of span (50a).

Further, in order to make the 1st, 2 outside stretching PS steel wire (W3, W4) deflections, arrange a pair medial and lateral saddle type block (26,27).Outside saddle type block (27) outside, the U-shaped beam (50a of inner side span, the 2nd inner tensile PS steel wire anchor block 50b) and anchorage zone (22b) inner side, engage with a pair symmetrical structure with the both sides of described concrete beam bottom flange (201) and the bottom of corrugated steel web (203).Inner side saddle type block (26) is in the inner side of pair of outside saddle type block (27), with the both sides of described concrete beam bottom flange (201) and the bottom of corrugated steel web (203), engage with a pair symmetrical structure.Medial and lateral saddle type block (26,27) the 1st, 2 outside stretching PS steel wire (W3 on medial and lateral saddle type block (26,27) will be acted on, W4) lifting force is delivered to outside U-shaped beam, on the U-shaped beam (50a, 50b) of inner side span.

But, outside, the U-shaped beam (50a of inner side span, 50b), be located at the height of the PS steel wire deflection saddle pipe of medial and lateral saddle type block (26,27), be all located at medial and lateral saddle type block (26 with unified height at 4 points, 27) lower end, this makes the 1st, lifting force Transmit evenly on each node of 2 outside stretching PS steel wire (W3, W4).And, consider that the moment of flexure of the inner side U-shaped beam of span (50b) is less than the moment of flexure in the outside U-shaped beam of span (50a), on the U-shaped beam of inner side span (50b), be positioned at medial and lateral saddle type block (26,27) height of PS steel wire deflection saddle pipe will take following measures, and the PS steel wire deflection saddle type pipe be namely positioned on inner side saddle type block (26) will get different height with the PS steel wire deflection saddle pipe be positioned on outside saddle type block (27).Namely, the position of the PS steel wire deflection saddle pipe being positioned at external blocks (27) is placed on the position of the PS steel wire deflection saddle Guan Genggao be positioned on inner side saddle type block (26), thus the lifting force enabling the 2nd outside stretching PS steel wire (W4) produce when stretching keeps outer, the balance of moment of flexure between the U-shaped beam (50a, 50b) in inner side.

And, in use, stretch to maintain management, concrete beam bottom flange (201) top between the outboard end of the U-shaped beam of outside span (50a) and the 2nd inner tensile PS steel wire anchor block be adjacent and anchorage zone (22b), and outer, the U-shaped beam (50a of inner side span, on the both sides on 50b) tie point top, outside PS steel wire anchor block for maintaining and manage and anchorage zone (40) can be installed, at medial and lateral saddle type block (26,27), on, the saddle pipe (41) for maintaining and manage can be installed.In use, described outside stretching PS steel wire anchor block for maintaining and manage and anchorage zone (40) and saddle pipe (41) can be utilized if desired, more stretched by the outside stretching PS steel wire for maintaining and manage, the described outside stretching PS steel wire for maintaining and manage is connected adjacent outer, the U-shaped beam (50a, 50b) in inner side.

Next, with reference to the accompanying drawings the structure of the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel based on case study on implementation another kind of in the present invention is described in detail.

Fig. 6 is the exemplary plot of the bridge construction of the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel, Fig. 7 is the skiagraph of the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel based on a kind of case study on implementation of the present invention, Fig. 8 a to Fig. 8 c is the U-shaped beam sections of skiagraph 7 jackshaft table mount of each steel compound PSC corrugated steel U-shaped beam sections continuous girder bridge, the U-shaped beam sections of bridge pier bearing pad, the skiagraph of the U-shaped beam sections of span center, (a) to (k) of Fig. 9 a to Fig. 9 d is the A-A from Fig. 7, B-B, C-C, D-D, E-E, F-F, G-G, H-H, I-I, J-J, profile shown in K-K line direction.

With reference to Fig. 6 to Fig. 9 d, based on the U-shaped beam sections continuous girder bridge of steel compound PSC corrugated steel of case study on implementation another kind of in the present invention, be made up of the U-shaped beam sections of abutment bearing (100a), the U-shaped beam sections of bridge pier bearing pad (100b) and the U-shaped beam sections of span center (100c), and each sections is the structure connected continuously.

The U-shaped beam sections of abutment bearing (100a) is placed in abutment (10) one end, the U-shaped beam sections of bridge pier bearing pad (100b) is placed on bridge pier, and the U-shaped beam sections of span center (100c) is placed in the span center between bridge pier and bridge pier.

The U-shaped beam sections of abutment bearing (100a) and the U-shaped beam sections of bridge pier bearing pad (100b) and the U-shaped beam sections of span center (100c) are respectively by concrete beam bottom flange (201), a pair concrete beam top flange (202), connects a pair corrugated steel web (203) of (201) both sides, concrete beam bottom flange and a pair concrete beam top flange (202).

At the outboard end of the U-shaped beam sections of abutment bearing (100a) and the center of the U-shaped beam sections of bridge pier bearing pad (100b), settle concrete beam bottom flange (201) and a pair concrete beam top flange (202), and connect abutment bearing concrete partition block (21) and the bridge pier bearing pad concrete partition block (71) of a pair corrugated steel web (203).On the concrete beam top flange (202) of each U-shaped beam sections (100a, 100b, 100c), settle half prefabricated bridge (23).

Inner in the concrete beam bottom flange (201) of each U-shaped beam sections (100a, 100b, 100c), be provided with the 1st, 2,3 inner tensile PS steel wire (W1, W2, W5), at each U-shaped beam sections (100a, 100b, on inner space 100c), be provided with the 1st, 2 outside stretching PS steel wire (W3, W4).

1st, 2 inner tensile PS steel wire (W1, W2) after making manufacturer makes, stretch in concrete beam bottom flange (201) inside, and by each U-shaped beam sections (100a, 100b, after 100c) in erection to abutment (10) and bridge pier, till building before bridge plate, bear U-shaped beam sections (100a, 100b, 100c) and the load of half prefabricated bridge (23).Adjacent U-shaped beam sections (100a, 100b, 100c), after each U-shaped beam sections (100a, 100b, 100c) is erected at abutment (10) and bridge pier, is interconnected and stretches by the 3rd inner tensile PS steel wire (W5).In order to set up each U-shaped beam sections (100a, 100b, 100c), not only can utilize abutment (10) and bridge pier, interim bridge pier (with reference to Fig. 6) can also be utilized.

In order to respectively described in anchoring the 1st, 2,3 inner tensile PS steel wire (W1, W2, W5), the 1st inner tensile PS steel wire anchor block and anchorage zone (22a), the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) and the 3rd inner tensile PS steel wire anchor block and anchorage zone (22c) are set.1st inner tensile PS steel wire anchor block and anchorage zone (22a) are arranged at each U-shaped beam sections (100a, 100b, 100c) the bottom of both side ends, 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) are arranged at each U-shaped beam sections (100a, 100b, on the concrete beam bottom flange (201) that 100c) both side ends departs to the inside, 3rd inner tensile PS steel wire anchor block and anchorage zone (22c) are in order to be connected to each other U-shaped beam sections (100a, 100b, 100c), be arranged at each U-shaped beam sections (100a, 100b, on the concrete beam bottom flange (201) of tie point both sides 100c).

On the one hand, the 1st outside stretching PS steel wire (W3) is after the 3rd inner tensile PS steel wire (W5) stretches, and the U-shaped beam sections (100a, 100b, 100c) be adjacent is connected and stretches.The stretching produced by the 1st outside stretching PS steel wire (W3) is after the arrangement of adjacent bridge pier bearing pad consolidates bridging apparatus forever, stretch before building bridge plate, therefore the span unit bearing each U-shaped beam sections (100a, 100b, 100c) connects the load with bridge plate continuously.

2nd outside stretching PS steel wire (W4) is after bridge plate is built on the top of half prefabricated bridge (23), the U-shaped beam sections of both sides abutment bearing (100a) and the U-shaped beam sections (100b, 100c) between it are all connected and stretch in the lump.

In order to respectively described in anchoring the 1st, 2 outside stretching PS steel wire (W3, W4), 1st outside stretching PS steel wire anchor block and anchorage zone (24) are placed in the upper outside of the U-shaped beam sections of abutment bearing (100a) and the both sides on bridge pier bearing pad concrete bridge block (71) top, again the 2nd outside stretching PS steel wire anchor block and anchorage zone (25) are placed in the upper outside surface of the U-shaped beam sections of abutment bearing (100a), but the bottom of the 1st outside stretching PS steel wire anchor block and anchorage zone (24) need be placed in.

Further illustrate, described 3rd inner tensile PS steel wire and the 1st, 2 outside stretching PS steel wires, connect continuously by each U-shaped girder segment.

Namely, 3rd inner tensile PS steel wire (W5) is from being placed in each U-shaped beam sections (100a, 100b, the 3rd inner tensile PS steel wire anchor block 100c) and anchorage zone (22c), be stretched to always and be placed in adjacent U-shaped beam sections (100a, 100b, 100c) on the 3rd inner tensile PS steel wire anchor block and anchorage zone (22c) on.And, 1st outside stretching PS steel wire (W3), from the 1st outside stretching PS steel wire anchor block and anchorage zone (24) be placed in the U-shaped beam sections of abutment bearing (100a), is stretched to always and is placed on the 1st outside stretching PS steel wire anchor block in the U-shaped beam sections of adjacent bridge pier bearing pad (100b) and anchorage zone (24).Another the 1st outside stretching PS steel wire (W3) is from the 1st outside stretching PS steel wire anchor block and anchorage zone (24) of the U-shaped beam sections of described bridge pier bearing pad (100b) in addition, through the U-shaped beam sections of adjacent span center (100c), on the 1st outside stretching PS steel wire anchor block being always stretched to the U-shaped beam sections of another bridge pier bearing pad (100b) and anchorage zone (24).And, on the 2nd outside stretching PS steel wire anchor block that 2nd outside stretching PS steel wire (W4) is placed in two the U-shaped beam sections of abutment bearing (100a) upper outside and anchorage zone (25), thus two U-shaped beam sections of abutment bearing (100a) and U-shaped beam sections (100b, 100c) in-between are all connected and stretch in the lump.

And, in order to make the 1st outside stretching PS steel wire (W3) deflection, in the U-shaped beam sections of abutment bearing (100a), between outside saddle type block (27) and medial end, inner side saddle type block (26) engages with the bottom of (201) both sides, concrete beam bottom flange and corrugated steel web (203) with a pair symmetrical structure.In span center beam sections (100c), between both ends and the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b), inner side saddle type block (26) engages with the both sides of concrete beam bottom flange (201) and the bottom of corrugated steel web (203) with a pair symmetrical structure.And, in order to make the 2nd outside stretching PS steel wire (W4) deflection, in the U-shaped beam sections of abutment bearing (100a), in the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) inner side, outside saddle type block (27) engages with the bottom of (201) both sides, concrete beam bottom flange and corrugated steel web (203).(on 100b, the concrete beam bottom flange (201) of both side ends arranges joint concret block (28) in the U-shaped beam sections of bridge pier bearing pad.Described medial and lateral saddle type block (26,27) will act on the on medial and lateral saddle type block (26,27) the 1st, 2 outside stretching PS steel wire (W3, W4) lifting force transmits to U-shaped beam sections (100a, 100b, 100c).

But, be placed in the medial and lateral saddle type block (26 of the U-shaped beam sections of abutment bearing (100a), 27) and the height of the PS steel wire deflection saddle pipe of inner side saddle type block (26) of the U-shaped beam sections of span center (100c), all medial and lateral saddle type block (26 is located at unified height at each point, 27) lower end, this makes the 1st, lifting force Transmit evenly on each node of 2 outside stretching PS steel wire (W3, W4).

With described medial and lateral saddle type block (26,27) inner surface of the corrugated steel web (203) engaged, medial and lateral saddle type block (26,27) from each saddle type block to described concrete beam top flange (202), shear connector (with reference to Fig. 9) is provided with.Concrete web block (29) is attached to this, steel work upper chord (30) is utilized to connect the both sides corrugated steel web (203) on the top of concrete web block (29), in the central part of steel work upper chord (30) and described both sides, outside saddle type block (26, 27) the firm structure diagonal web member (31) of left and right sides is utilized to be connected, make the 1st, 2 outside stretching PS steel wire (W3, W4) the concrete web block (29) of lifting force because of left and right sides and the steel work diagonal web member (31) of left and right sides, upwards do not transmitted by W type braced structures.The lifting force efficiency of the 1st, 2 outside stretching PS steel wire (W3, W4) putting on medial and lateral saddle type block (26,27) is improved, evenly transmits to top.Further, the lifting force of the 1st, 2 outside stretching PS steel wire (W3, W4) also produces because connecting joint concret block (28).

And, concrete beam bottom flange (201) between the 2nd inner tensile PS steel wire anchor block that the outboard end that also can arrange the U-shaped beam sections of abutment bearing (100a) is adjacent and anchorage zone (22b), and outside stretching PS steel wire anchor block and anchorage zone (40) for maintaining management of bridge pier bearing pad concrete partition block (71) both sides, top of the U-shaped beam sections of bridge pier bearing pad (100b).And the saddle pipe (41) for maintaining management can be set at the medial and lateral saddle type block (26,27) of each U-shaped beam sections (100a, 100b, 100c).

Utilize described for maintaining outside stretching PS steel wire anchor block and anchorage zone (40) and the saddle type pipe (41) for maintaining management of management, if desired can by adjacent U-shaped beam sections (100a, 100b, 100c) be connected, be used in the outside stretching PS steel wire maintaining management and stretch further.

Next, be described in detail to based on the syndeton of corrugated steel web and concrete beam bottom flange in above-mentioned case of the present invention and the structure of concrete beam bottom flange with reference to the accompanying drawings.

Figure 10 a to Figure 10 b is oblique view and the profile of the U-shaped beam of steel compound PSC corrugated steel of the U-shaped simply supported girder bridge of steel compound PSC corrugated steel and continuous girder bridge, and Figure 11 a to Figure 11 b is oblique view and the local wide figure of the corrugated steel web of the U-shaped simply supported girder bridge of steel compound PSC corrugated steel and continuous girder bridge.

With reference to Figure 10 a to Figure 11 b, for the structure based on the corrugated steel web (203) and concrete beam bottom flange (201) that are applicable to the U-shaped simply supported girder bridge of steel compound PSC corrugated steel and continuous girder bridge in the present invention, comprise again girder steel bottom flange (300a), multiple bottoms shear connector (300b), the shearing corrugated steel (300c) with multiple hole and multiple lower horizontal shear connector (300d).Described girder steel bottom flange (300a) is vertical with the lower end of corrugated steel (203) to be connect, and is attached on the concrete upper surface of described concrete beam bottom flange (201) simultaneously.Described multiple bottoms shear connector (300b) and the lower bond of girder steel bottom flange (203), be embedded on the concrete of described concrete beam bottom flange (201) simultaneously.The described shearing corrugated steel (300c) with multiple hole is placed between described bottom shear connector (300b), is vertically integrated on described girder steel bottom flange (300a) simultaneously.Described multiple lower horizontal shear connector (300d) engages with the left and right sides level of described shearing corrugated steel (300c).

For Liang Eryan, by dead load or mobile load, removing normal load or horizontal load, act on the load that picture wind load or vibrations load etc. are various.By this load, corrugated steel web (203) may have problems with the coupling part of concrete beam bottom flange (201), and the implementation case is just in order to deal with this situation.

In the implementation case, utilize the modes such as welding to combine girder steel bottom flange (300a) in the lower end of described corrugated steel web (203), utilize the modes such as welding to combine bottom shear connector (300b) in the bottom of described girder steel bottom flange (300a), be placed between described bottom shear connector (300b), described girder steel bottom flange (300a) is vertically combined shearing corrugated steel (300c) by modes such as welding, and on a left side for described shearing corrugated steel (300c), right surface utilizes the modes such as welding to horizontal shear connector (300d) horizontal integration.

Described bottom shear connector (300b) and shearing corrugated steel (300c) are buried and are attached to concrete beam bottom flange (201), when resisting vertical load, horizontal loading, torsion load, the vibrations load even load of applied external force, combination firmer between corrugated steel web (203) and concrete beam bottom flange (201) can be made.Now, the hole formed in the bottom of shearing corrugated steel (300c) can the combination of reinforcing concrete lower flange of girder edge (201) and shearing corrugated steel (300c).And, the lower horizontal shear connector (300d) be combined with the left and right surfaces of shearing corrugated steel (300c), makes shearing corrugated steel (300c) more firmly be combined with concrete beam bottom flange (201).Finally, the bottom shear connector (300b) of the implementation case, shearing corrugated steel (300c) and lower horizontal shear connector (300d), jointly enhance concrete beam bottom flange (201) and the combination of corrugated steel web (203), make it very firm.

And the structure of described concrete beam bottom flange (201) also can be the structure that U-shaped is wrapped up by steel by the side of concrete beam bottom flange (201) and soffit.

In the implementation case, concrete beam bottom flange (201) are U-shaped wraps steel, makes itself and steel case jointly present aesthetic appearance.And in the bridge needing large span, shallow embedding structure, compared with existing steel box girder bridge, can reduce by the operating expenses of 30 ~ 40%.

And, the U-shaped steel synthesized with described concrete beam bottom flange (201), can the template of dual-purpose and concrete beam bottom flange (201), therefore without the need to making template separately in making manufacturer, just easily can make concrete beam bottom flange (201) and constructing.

And, for long-span beams, to the concrete beam bottom flange (201) of concreting be there is no and the beam be only made up of steel is placed on abutment (10) and bridge pier, at the part concreting of lower flange of girder edge (201), and stretched by PS steel wire.In this case, the weight of beam reduces, and installation is set up and is very easy to.And, the concrete of concrete beam bottom flange (201) part is built in advance, be placed on abutment (10) or bridge pier again, or first beam is placed on abutment (10) or bridge pier, then the concrete of concrete beam bottom flange (201) part is built.These two kinds of methods can according to field condition choice for use.

And, the concrete of concrete beam bottom flange (201) is by the U-shaped parcel of steel, not only increase concrete intensity in concrete beam bottom flange (201), and it is exposed with outside to make the concrete of concrete beam bottom flange (201) not have, and enhances the internal construction of concrete beam bottom flange (201).

Above, the whole elements forming the invention process case, when illustrating, although may be described as being combined into one, or describe into combination and operate, however the present invention also can not limit by such case study on implementation.That is, as long as within object scope of the present invention, all elements are all optionally combined into one or more, and the running that combines.Further, " comprising " of above-mentioned record, " formation ", terms such as " having ", if the record do not runed counter to especially, means and includes corresponding element.Therefore be not by except other elements, and should be interpreted as comprising other elements in addition.Comprise technical, all terms of scientific vocabulary, if be not particularly illustrated, then the related notion understood with the people that in technical field for the present invention, there is certain general knowledge indifference.The same with the term that dictionary defines, the concept identical with the context of relevant technologies should be understood to for normally used term, if clearly do not define in the present invention, then can not by it exceedingly, explain turgidly, can not make an explanation according to its pro forma meaning.

Above-mentioned explanation merely illustrates technological thought of the present invention, as long as on this field, there is the people of certain rudimentary knowledge, under the prerequisite not departing from technological thought of the present invention, all can refer to case study on implementation and carry out various change and correction, then create the invention made new advances.The case study on implementation disclosed in the present invention is not to limit technological thought, but in order to be described, therefore, technological thought scope of the present invention not limit by such case study on implementation.Protection requirement of the present invention needs to be made an explanation by following claim, and all technological thoughts therewith in same scope are all included in claim of the present invention.

In a word; it is exactly more than each technical essential of the present invention; although be below described various embodiments of the present invention by reference to the accompanying drawings; but the invention is not restricted to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic instead of determinate; those of ordinary skill in the art is under enlightenment of the present invention; under the prerequisite without prejudice to present inventive concept and claim; multiple similar enlightenment and accommodation can be drawn; and make corresponding simple change and amendment, be similar to such conversion and all fall within protection scope of the present invention.

Claims

1. a steel compound PSC corrugated steel U freely-supported type beam bridge, it comprises concrete beam bottom flange (201), a pair coagulation degree beam top flange (202) and connect the U-shaped beam (20) of a pair corrugated steel web (203) of (201) both sides, described concrete beam bottom flange and a pair concrete beam top flange (202) respectively; It is characterized in that,

At described U-shaped beam (20) two ends, have concrete beam bottom flange (201), a pair coagulation degree beam top flange (202) and connect a pair abutment bearing concrete partition block (21) of a pair corrugated steel web (203) respectively;

At upper arrangement half prefabricated bridge (23) of described concrete beam top flange (202);

The 1st is provided with, 2 inner tensile PS steel wires (W1, W2) in described concrete beam bottom flange (201) inside;

The 1st is located at, 2 outside stretching PS steel wire (W3, W4) in the inner space of described U-shaped beam (20);

Described 1st, 2 inner tensile PS steel wires (W1, W2) difference anchorings a pair the 1st, 2 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b); And

Described 1st, 2 outside stretching PS steel wire (W3, W4) difference anchorings a pair the 1st, 2 outside stretching PS steel wire anchor blocks and anchorage zone (24,25),

Described 1st inner tensile PS steel wire anchor block and anchorage zone (22a) are placed in the bottom at described U-shaped beam (20) two ends, 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) depart from described U-shaped beam (20) two ends, are placed in described lower flange of girder edge (201) upper end;

Described 1st, 2 outside stretching PS steel wire anchor blocks and anchorage zone (24,25) are settled downwards successively from the top at described U-shaped beam (20) two ends,

Described 1st, 2 inner tensile PS steel wires (W1, W2) make manufacturer at bridge and stretch;

Described 1st, 2 outside stretching PS steel wire (W3, W4) are placed on the abutment (10) of described U-shaped beam (20), stretch after described half prefabricated bridge (23) builds bridge plate.

2. steel compound PSC corrugated steel U freely-supported type beam bridge according to claim 1, it is characterized in that, described freely-supported type beam bridge also comprises pair of outside saddle type block, pair of inside saddle type block, concrete web block, steel work upper chord, left and right sides steel work diagonal web member; Described pair of outside saddle type block (27) is in described 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) inner side, with the both sides of described concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 2nd outside stretching PS steel wire (W4) deflection;

Described pair of inside saddle type block (26) is in the inner side of described pair of outside saddle type block (27), with the both sides of described concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflection;

Described concrete web block (29) is attached to corrugated steel web (203) inner side between described medial and lateral saddle type block (26,27) to described concrete beam top flange (202);

Described steel work upper chord (30), on described web block (29) top, is connected with corrugated steel web (203);

Described left and right sides steel work diagonal web member (31) connects the center of described steel work upper chord (30) and described medial and lateral saddle type block (26,27) in its both sides;

The lifting force of the described 1st, 2 outside stretching PS steel wire (W3, W4) can rely on concrete web block (29) about it and left and right sides steel work diagonal web member (31), by W shape braced structures, transmits to top.

3. steel compound PSC corrugated steel U freely-supported type beam bridge according to claim 2, is characterized in that, described freely-supported type beam bridge comprises again outside stretching PS steel wire anchor block and the anchorage zone of a pair maintenance management, and for maintaining the saddle pipe of management.Outside stretching PS steel wire anchor block and anchorage zone (40) of described a pair maintenance management are placed in the described 1st, between 2 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b); The described saddle pipe (41) for maintaining management is placed on described medial and lateral saddle type block (26,27).

4. the U-shaped continuous girder bridge of steel compound PSC corrugated steel, it is characterized in that, it comprises concrete beam bottom flange (201), a pair concrete beam top flange (202) and connect a pair corrugated steel web (203) of (201) both sides, described concrete beam bottom flange and a pair concrete beam top flange (202) respectively, comprise again the outside U-shaped beam of span and the U-shaped beam of inner side span, abutment bearing concrete partition block and bridge pier bearing pad concrete partition block, half prefabricated bridge, 1st, 2 inner tensile PS steel wires, 1st, 2 outside stretching PS steel wires, 1st, 2 inner tensile PS steel wire anchor blocks and anchorage zone and the 1st, 2 outside stretching PS steel wire anchor block and anchorage zones, the U-shaped beam of described outside span (50a) is placed between abutment (10) and bridge pier, and the U-shaped beam of described inner side span (50b) is placed between bridge pier and bridge pier,

Described abutment bearing concret block (21) and bridge pier bearing pad concret block (71) are at described outside span U-shaped beam (50a) outboard end and described outer, the U-shaped (50a of inner side span, on tie point 50b), connect described concrete beam bottom flange (201), a pair concrete beam top flange (202) and a pair corrugated steel web (203);

Described half prefabricated bridge (23) is placed on the concrete beam top flange (202) of described outer, the U-shaped beam (50a, 50b) of inner side span;

Described 1st, it is inner that 2 inner tensile PS steel wires (W1, W2) are arranged at described concrete beam bottom flange (201) that is outer, the U-shaped beam (50a, 50b) of inner side span;

Described 1st, 2 outside stretching PS steel wire (W3, W4) are arranged at the inner space of described outer, the U-shaped beam (50a, 50b) of inner side span;

Described 1st, 2 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b) be the 1st, 2 inner tensile PS steel wires (W1, W2) described in anchoring respectively; And

Outside stretching PS steel wire (W3, W4) of (24,25) other anchoring the 1st, 2 is distinguished in described 1st, 2 outside stretching PS steel wire anchor blocks and anchoring;

Described 1st inner tensile PS steel wire anchor block and anchorage zone (22a) are placed in described outer, the U-shaped beam (50a of inner side span, 50b) the bottom at two ends, described 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) be placed in from described, inner side span U-shaped beam (50a, 50b) inward at both ends lateral deviation with a certain distance from described concrete beam bottom flange (201) on;

Described 1st outside stretching PS steel wire anchor block and anchorage zone (24) are placed in the outer upper of the U-shaped beam of described outside span (50a) and the top of described outer, inner side span U-shaped beam (50a, 50b) tie point both sides respectively; Described 2nd outside stretching PS steel wire anchor block and anchorage zone (25) are placed in the outer upper of the U-shaped beam of described outside span (50a), and are in the below of described 1st outside stretching PS steel wire anchor block and anchorage zone (24);

Described 1st outside stretching PS steel wire (W3), at described outer, the U-shaped beam (50a of inner side span, after 50b) being placed in described abutment (10) and bridge pier continuously, connecting with adjacent described outer, the U-shaped beam (50a, 50b) of inner side span and stretch;

All bridges between the U-shaped beam of described outside span (50a), after described half prefabricated bridge (23) builds bridge plate, are carried out connecting and stretching by described 2nd outside stretching steel wire (W4).

5. the U-shaped continuous girder bridge of steel compound PSC corrugated steel according to claim 4, it is characterized in that, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises again pair of outside saddle type block, pair of inside saddle type block, concrete web block, steel work upper chord and steel work diagonal web member in addition.Described pair of outside saddle type block (27) is at described outer, the U-shaped beam (50a of inner side span, 50b) each 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) inner side, the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 2nd outside stretching PS steel wire (W4) deflect;

Described pair of inside saddle type block (26) is in the inner side of described pair of outside saddle type block (27), the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflect;

Described concrete web block (29) is attached to corrugated steel web (203) inner surface on each concrete beam bottom flange (202) of described medial and lateral saddle type block (26,27);

Described steel work upper chord (30), on the top of described concrete web block (29), connects both sides corrugated steel web (203); And

Described steel work diagonal web member (31), at the central part of described steel work upper chord (30), connects described medial and lateral saddle type block (26,27);

The lifting force of the described 1st, 2 outside stretching PS steel wire (W3, W4), by concrete web block (29) and steel work diagonal web member (31) the formation W type braced structures of left and right sides, and transmits to top.

6. the U-shaped continuous girder bridge of steel compound PSC corrugated steel according to claim 5, it is characterized in that, the U-shaped continuous girder bridge of steel compound PSC corrugated steel is in described inner side span U-shaped beam (50b) internal blocks (26), the position of the 2nd outside stretching PS steel wire (W4) is placed in the upper end of the 1st outside stretching PS steel wire (W3), thus makes the moment of flexure between the outside U-shaped beam of span (50a) and the U-shaped beam of inner side span (50b) reach balance.

7. the U-shaped continuous girder bridge of steel compound PSC corrugated steel according to claim 6, it is characterized in that, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises again outside stretching PS steel wire anchor block for maintaining management and anchorage zone and in addition for maintaining the saddle pipe in pipe.Described outside stretching PS steel wire anchor block and anchorage zone (40) are positioned at the outboard end of the U-shaped beam of described outside span (50a), concrete beam bottom flange (201) top between be adjacent the 2nd inner PS steel wire anchor block and anchorage zone (22b), and on the both sides of the connection holder top of outer, the U-shaped girder segment (50a, 50b) in inner side; And

The described saddle pipe (41) for maintaining management is placed on described medial and lateral saddle type block (26,27);

If desired, for maintaining outside stretching PS steel wire anchor block and anchorage zone (40) and the saddle pipe (41) of management described in utilizing, adjacent beam can being coupled together, increasing the tension force of the outside stretching PS steel wire for maintaining management.

8. the U-shaped continuous girder bridge of steel compound PSC corrugated steel, comprise concrete beam bottom flange (201), a pair concrete beam top flange (202), and connect a pair corrugated steel web (203) of (203) both sides, described concrete beam bottom flange and a pair concrete beam top flange (202) respectively, it is characterized in that, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises and is placed in the U-shaped beam sections of abutment bearing, the U-shaped beam sections of bridge pier bearing pad, the U-shaped beam sections of span center, abutment bearing concrete partition block and bridge pier bearing pad concrete partition block, half prefabricated bridge floor version, 1st, 2, 3 inner tensile PS steel wires, 1st, 2 outside stretching PS steel wires, 1st, 2, 3 inner tensile PS steel wire anchor blocks and anchorage zone and the 1st, 2 outside stretching PS steel wire anchor block and anchorage zones.The U-shaped beam sections of described abutment bearing (100a) is placed in abutment (10) one end, the U-shaped beam sections of described bridge pier bearing pad (100b) is placed in bridge pier, and the U-shaped beam sections of described span center (100c) is placed in the span center between bridge pier and bridge pier;

Described abutment bearing concrete partition block (21) and the outboard end of bridge pier bearing pad concrete partition block (71) at the U-shaped beam sections of described abutment bearing (100a) and the central authorities of the U-shaped beam sections of bridge pier bearing pad (100b), connect concrete beam bottom flange (201), a pair concrete beam top flange (202) and a pair corrugated steel web (203);

Described half prefabricated bridge (23) is placed on the concrete beam top flange (202) of described U-shaped beam sections (100a, 100b, 100c);

The concrete beam bottom flange (201) that described 1st, 2,3 inner tensile PS steel wires (W1, W2, W5) are positioned at described U-shaped beam sections (100a, 100b, 100c) is inner;

Described 1st, 2 outside stretching PS steel wire (W3, W4) are located at the inner space of described U-shaped beam sections (100a, 100b, 100c);

Described 1st, 2,3 inner tensile PS steel wire anchor blocks and anchorage zone (22a, 22b, 22c) be the 1st, 2,3 inner tensile PS steel wires (W1, W2, W5) described in anchoring respectively; And

Described 1st, 2 outside stretching PS steel wire anchor blocks and anchorage zone (24,25) are the 1st, 2 outside stretching PS steel wire (W3, W4) described in anchoring respectively;

Described 1st inner tensile PS steel wire anchor block and anchorage zone (22a) are positioned at described each U-shaped beam sections (100a, 100b, 100c) the bottom of both side ends, 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) are from described each U-shaped beam sections (100a, 100b, 100c) depart from certain distance to the inside inside both side ends, be positioned on concrete beam bottom flange (201), described 3rd inner tensile PS steel wire anchor block and anchorage zone (22c) can make described each U-shaped beam sections (100a, 100b, be interconnected 100c), be positioned at each U-shaped beam sections (100a, 100b, on the concrete beam bottom flange (201) of 100c) tie point both sides,

Described 1st stretching PS steel wire anchor block and anchorage zone (24) are positioned at the outside on described abutment bearing U-shaped beam (100a) top and the both sides on bridge pier bearing pad concrete partition block (71) top.Described 2nd outside stretching PS steel wire anchor block and anchorage zone (25) are placed in the outside on described abutment bearing U-shaped beam sections (100a) top, are also the belows being positioned at the 1st outside stretching PS steel wire anchor block and anchorage zone (24) simultaneously;

Described 3rd inner tensile PS steel wire (W5) is by described each U-shaped beam sections (100a, 100b, 100c) be erected on abutment (10) and bridge pier, afterwards by adjacent U-shaped beam sections (100a, 100b, 100c) connect and stretch;

Adjacent U-shaped girder segment beam (100a, 100b, 100c) connects and stretches by described 1st outside stretching PS steel wire (W3) after described 3rd inner tensile PS steel wire (W5) stretches;

Described 2nd outside stretching PS steel wire (W4) is build bridge plate on half prefabricated bridge (23) after, the bridge between two U-shaped beam sections of abutment bearing (100a) is all carried out connection and stretches together.

9. the U-shaped continuous girder bridge of steel compound PSC corrugated steel according to claim 8, it is characterized in that, the U-shaped continuous girder bridge of this steel compound PSC corrugated steel comprises again pair of outside saddle type block, pair of inside saddle type block, joint concret block, concrete web block, steel work upper chord, left and right sides steel work diagonal web member in addition.Described pair of outside saddle type block (27) is inside the 2nd inner tensile PS steel wire anchor block and anchorage zone (22b) of the U-shaped beam sections of described abutment bearing (100a), with the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 2nd outside stretching PS steel wire (W4) deflection;

Described pair of inside saddle type block (26) is in the inner side of the described pair of outside saddle type block (27) of the U-shaped beam sections of described abutment bearing (100a), with the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflection;

Described joint concret block (28), on the concrete beam bottom flange (201) of the U-shaped beam sections of bridge pier bearing pad (100b) both side ends, makes described 2nd outside stretching PS steel wire (W4) deflection;

Described pair of inside saddle type block (26) is in the inner side of the described pair of outside saddle type block (22b) of the U-shaped beam sections of described abutment bearing (100c), with the both sides of concrete beam bottom flange (201) and the lower bond of corrugated steel web (203), make described 1st outside stretching PS steel wire (W3) deflection;

Described steel work upper chord (30), on described web block (29) top, is connected with corrugated steel web (203); And

Described 1st, 2 outside stretching PS steel wire (W3, W4) lifting force can rely on described medial and lateral saddle type block (29) about it and left and right sides steel work diagonal web member (31), by W shape braced structures and joint concret block (28), transmit to top.

10. the U-shaped continuous girder bridge of steel compound PSC corrugated steel according to claim 9, it is characterized in that, the U-shaped continuous girder bridge of described steel compound PSC corrugated steel comprises again the outboard end of the U-shaped beam sections of described abutment bearing (100a), concrete beam bottom flange (201) top between be adjacent the 2nd inner PS steel wire anchor block and anchorage zone (22b), and outside stretching PS steel wire anchor block and anchorage zone (40) for maintaining management that bridge pier bearing pad concrete partition block (71) both sides, top of the U-shaped beam sections of bridge pier bearing pad (100b) are formed,

And form the saddle pipe (41) for maintaining management of described medial and lateral saddle type block;

If desired, utilize described outside stretching PS steel wire anchor block for maintaining management and anchorage zone (40) with for maintaining the saddle pipe (41) of management, adjacent beam can being coupled together, increasing the tension force of the outside stretching PS steel wire for maintaining management.

11. according to the simply supported girder bridge one of claim 1-3 Suo Shu, it is characterized in that, comprise again girder steel bottom flange (300a), multiple bottoms shear connector (300b), the shearing corrugated steel (300c) with multiple hole and multiple lower horizontal shear connector (300d); Described girder steel bottom flange (300a) is vertical with the lower end of corrugated steel (203) to be connect, and is attached on the concrete upper surface of described concrete beam bottom flange (201) simultaneously; Described multiple bottoms shear connector (300b) and the lower bond of girder steel bottom flange (300a), be embedded on the concrete of described concrete beam bottom flange (201) simultaneously; The described shearing corrugated steel (300c) with multiple hole is placed between described bottom shear connector (300b), is vertically integrated on described girder steel bottom flange (300a) simultaneously; Described multiple lower horizontal shear connector (300d) engages with the left and right sides level of described shearing corrugated steel (300c).

12. simply supported girder bridges according to claim 11, by the side surface of described concrete beam bottom flange (201) and soffit, by the U-shaped simply supported girder bridge of steel compound PSC corrugated steel of the U-shaped parcel of steel.

13. according to the continuous girder bridge one of claim 4-10 Suo Shu, it is characterized in that, comprise again girder steel bottom flange (300a), multiple bottoms shear connector (300b), the shearing corrugated steel (300c) with multiple hole and multiple lower horizontal shear connector (300d); Described girder steel bottom flange (300a) is vertical with the lower end of corrugated steel (203) to be connect, and is attached on the concrete upper surface of described concrete beam bottom flange (201) simultaneously; Described multiple bottoms shear connector (300b) and the lower bond of girder steel bottom flange (300a), be embedded on the concrete of described concrete beam bottom flange (201) simultaneously; The described shearing corrugated steel (300c) with multiple hole is placed between described bottom shear connector (300b), is vertically integrated on described girder steel bottom flange (300a) simultaneously; Described multiple lower horizontal shear connector (300d) engages with the left and right sides level of described shearing corrugated steel (300c).

14. continuous girder bridges according to claim 13, is characterized in that, by the side surface of described concrete beam bottom flange (201) and soffit, by the U-shaped parcel of steel.