CN103882959A - Rigid joint assembly type steel structure center supporting system spliced by pre-stressing force in meshed mode - Google Patents
Rigid joint assembly type steel structure center supporting system spliced by pre-stressing force in meshed mode Download PDFInfo
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Abstract
The invention relates to a rigid joint assembly type steel structure center supporting system spliced by pre-stressing force in a meshed mode, and belongs to the technical field of structural engineering. The structural system is formed by assembling pre-stressing force cables, assembly type floors, assembly type supports and assembly type flange columns with bolts; joints of the assembly type floors are rigid joints, and the floors can be spliced to be in the required scale. Corrugation web channel steel beams are adopted in the assembly type floors, webs of the two corrugation web channel steel beams at the spliced position of every two adjacent floors are in butt joint in the meshed mode, are assembled and connected through the bolts, and are in the meshed shape after being assembled, and the shearing resistant bearing capacity of the assembly type steel beams is effectively improved. As the pre-stressing force cables are introduced, on the premise that the bearing capacity of the assembly type steel beams is guaranteed, the dead loads of the assembly type steel beams are effectively reduced, and the span of the assembly type steel beams is increased. By means of the steel structure system, the industrialized production is achieved, and on-site rapid assembling is achieved.
Description
Technical field
The rigid joint assembling type steel structure center support system that the present invention relates to apply prestressing force interlock splicing, belongs to technical field of structural engineering.
Background technology
For a long time, the economy of China is all crude management, relies on the simple of resource and the means of production to drop into and pull economic growth again, and this management style can only be brought the economic benefit of short-term, but can not make national economy sound development continuously and healthily.Builing industry is mainstay industry traditional in Chinese national economy.But, traditional mode of construction has brought high energy consumption and high flow rate, building consumes and energy consumption has accounted for approximately 30% of national energy consumption, building waste has accounted for 30%～40% of municipal refuse total amount, finishing has accounted for 6% left and right, traditional mode of construction brings the problem of high energy consumption and high flow rate to society, brought huge pressure to environment, has seriously hindered economic cycle development and sustainable development.Industrialization will improve the productivity ratio of builing industry greatly, the significantly waste of energy consumption and resource in reduction production and use procedure.Just because of this, significantly reduce energy consumption in the construction stage, can only take fabricated construction.
In existing assembling type steel structure system, conventionally adopt to be that two channel-section steels carry out assembled, the web docking of two channel-section steels, connects by bolt, forms assembling H shaped steel.But in this connecting method, shearing is to pass to web by bolt, web is plain plate, so the steel using amount of required Number of Bolts and web is very large.The bolt of tradition assembling type steel structure Nodes connects can not realize being rigidly connected of node, causes the deficiency of system.
As can be seen here, it is not very desirable that traditional Steel section member is used in to effect among assembling type steel structure, not only affects the stress performance of member, and need to consume a large amount of steel, produces unnecessary waste.So, create that to be applied to the novel primary structure member of assembling type steel structure system imperative.
Summary of the invention
Based on the problems referred to above, the present invention proposes a kind of rigid joint assembling type steel structure center support system of applying prestressing force interlock splicing.Its object is in the production of steel structure system and construction, by modularization, and batch production, standardization and assemblingization combine, realize batch production and produce, assemble fast at scene, is ensureing under the prerequisite of construction quality, improve speed of application, reduce the construction period, reduce construction costs.
Technical scheme of the present invention is as follows:
The rigid joint assembling type steel structure center support system of application prestressing force interlock splicing, is characterized in that, described assembling system is supported by prestressed cable, assembling floor, assembling and assembling flange post adopts bolts assemblies to form; The node of described steel structure system is to be welded in factory, can realize and being rigidly connected; Described assembling floor is by A plate, 3 kinds of assembling floors of B plate and C plate are spliced, advantage is that stitching position is arranged in the position that beam bending and shearing is relatively little, has been prefabricated in the factory with the node of pillar splicing, can be good at meeting the requirement of rigid joint.
Splicing between described assembling floor adopts the corrugated web steel channel beam that is applicable to assembling type steel structure system.The web interlock docking of two wave groove girder steels of the stitching portion of two adjacent assembling floors, carries out assembly connection at web place by bolt.The splicing of assembling floor of the present invention, the girder steel after assembling holds interlock shape, relies on interlock and the bolt of girder steel to make whole girder steel bear the shearing in plane, effectively improves the shear resistant capacity of assembling girder steel.
Described prestressed cable, through the prestressed cable hole on web and the end plate of the corrugated web beam of the assembling floor after assembling, is fixed on the beam end plate of wave groove girder steel by ground tackle after on-the-spot stretch-draw;
Described A plate is made up of short girder I, long girder I, short girder II, secondary beam, stiffener, floor, column base and girder end plate; All members of described A plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor A by welding; Short girder I and vertical the putting of short girder II, short girder I is connected with short girder II with stiffener by column base, the flanged plate up and down of column base flushes with the upper bottom flange of short girder I and short girder II respectively, two sides of described stiffener are connected with the edge of a wing of short girder II with short girder I respectively, two stiffeners are connected on top flange and bottom flange, and all connecting portions are welding; Two short girder I are placed on same straight line, are connected by column base, and the flanged plate up and down of column base flushes with the upper bottom flange of two short girder I respectively, and all connecting portions are all adopted as welding; Secondary beam is parallel with short girder II, vertical with two short girder I, be connected with two short girder I with stiffener by column base, the flanged plate up and down of column base flushes with the upper bottom flange of secondary beam respectively, two sides of described stiffener are connected with the edge of a wing of short girder I and secondary beam respectively, two stiffeners are connected on top flange and bottom flange, and all connecting portions are all adopted as welding; Long girder I is parallel to two short girder I, perpendicular to two short girder II and secondary beam, is connected with girder end plate by stiffener with two short girder II and secondary beam; Described girder end plate is positioned at the end of short girder II, and the upper and lower side of girder end plate is connected with the edge of a wing of short girder II, and a side is connected with the web of short girder II; Two sides of described stiffener connect the edge of a wing of long girder I and short girder II, and with the edge of a wing that is connected long girder I and secondary beam, stiffener is connected on top flange and bottom flange, and all connecting portions are all adopted as welding; Floor adopts shear key to be connected on the framework being surrounded by short girder I, long girder I, short girder II, secondary beam.
Described B plate is made up of long girder I, secondary beam, stiffener, floor, girder end plate, long girder II and short girder III; All members of described B plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor B by welding.Long girder I and vertical the putting of short girder III, be connected with two short girder III two long girder I with girder end plate by stiffener in beam end, form rectangular frame, described girder end plate is positioned at the end of short girder III, and the upper and lower side of girder end plate is connected with the edge of a wing of short girder III, and a side is connected with the web of short girder III, two sides of described stiffener are connected with the edge of a wing of short girder III with long girder I respectively, and two stiffeners of setting are connected on top flange and bottom flange, and all connecting portions are welding, described long girder II is parallel with long girder I, and with vertical placement of short girder III, long girder II is positioned at the middle of two long girder I, and two ends of long girder II are connected in respectively the middle part of two short girder III by stiffener, two sides of described stiffener are connected with the edge of a wing of short girder III with long girder II respectively, and two stiffeners of setting are connected on top flange and bottom flange, and all connecting portions are welding, described secondary beam is parallel with short girder III, with long girder I and vertical placement of long girder II, by stiffener, the beam-ends of secondary beam is connected in to the middle part of long girder I and long girder II, be connected with long girder I two sides of stiffener of one end of secondary beam are connected with the edge of a wing of long girder I with secondary beam respectively, two stiffeners that arrange are connected on top flange and bottom flange, be connected with long girder II two sides of stiffener of one end of secondary beam are connected with the edge of a wing of long girder II with secondary beam respectively, two stiffeners that arrange are connected on top flange and bottom flange, all connecting portions are welding, floor adopts shear key to be connected on the framework being surrounded by long girder I, secondary beam, long girder II and short girder III.
Described C plate is made up of short girder I, long girder I, short girder II, secondary beam, stiffener, floor, column base and girder end plate; All members of described C plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor C by welding.Described two short girder II are placed on same straight line, connect by column base, and the flanged plate up and down of column base flushes with the upper bottom flange of short girder II respectively, and as two opposite side of rectangle assembling floor C plate, all connections are welding; Described long girder I and vertical placement of short girder II, as the two other opposite side of rectangle assembling floor C plate, all connections are welding; The four edges of C plate is connected with girder end plate by stiffener, form rectangular frame, two sides of described stiffener are connected with the edge of a wing of short girder II with long girder I respectively, and two stiffeners are connected on top flange and bottom flange, and all connecting portions are welding; Described girder end plate is positioned at one end that short girder II is connected with long girder I, and the upper and lower side of girder end plate is connected with the edge of a wing of short girder II, and a side is connected with the web of short girder II, and all connecting portions are welding; One end of two short girder I and two secondary beams is connected on four sides of column base, the flanged plate up and down of column base flushes with the upper bottom flange of two short girder I and two secondary beams respectively, two short girder I point-blank, two secondary beams point-blank, column base is positioned at C Ban center, between adjacent short girder I and secondary beam, connect by stiffener, two sides of described stiffener are connected with the edge of a wing of short girder I and secondary beam respectively, two stiffeners are connected on top flange and bottom flange, and all connecting portions are welding; The other end of described short girder I is connected on the column base at two short girder II middle parts, the flanged plate up and down of column base flushes with the upper bottom flange of short girder I respectively, short girder I is connected with the limit of the C plate being made up of with two short girder II column base with column base by stiffener, two sides of described stiffener are connected with the edge of a wing of short girder II with short girder I respectively, two stiffeners are connected on top flange and bottom flange, and all connecting portions are welding; The other end of described secondary beam is connected to the middle part of long girder I, adopt stiffener to connect, two sides of described stiffener are connected with the edge of a wing of long girder I with secondary beam respectively, and two stiffeners are connected on top flange and bottom flange, and all connecting portions are welding; Floor adopts shear key to be connected on the framework being surrounded by short girder I, long girder I, short girder II, secondary beam;
Described column base is made up of two flanged plates and a square steel pipe I, and two flanged plates lay respectively on two ends of square steel pipe I, and all connections all adopt welding; Described flange post is made up of a square steel pipe II and two flanged plates, and two flanged plates lay respectively on two ends of square steel pipe II, and all connections all adopt welding; Described flange post is connected with column base, forms steel frame structural system, and all connections are all with bolts;
Described assembling floor A plate and described assembling floor B plate splice, and connecting method is that the long girder I of the long girder I of A plate and B plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor C plate splice, and connecting method is that the long girder I of the long girder I of B plate and C plate is spliced, and all splicings all adopt bolt to carry out scene splicing; The basic composition unit of described assembling floor system is A plate, B plate and C plate, the two ends of assembling floor system are A plate unit, what be connected with A plate unit is B plate unit, and what be connected with B plate unit another side is C plate unit, and the middle part of floor system is B plate unit and the splicing of C plate units alternately.
Described short girder I, short girder II, secondary beam, long girder II and short girder III are H shaped steel, or two back-to-back equivalent H shaped steel that are spliced of channel-section steel, or two equivalent H shaped steel that T-steel is spliced, or four equivalent H shaped steel that angle splice joint forms; Described long girder I is corrugated web steel channel beam.
The section of described web is the ripple that even or inhomogeneous periodicity repeats, and this ripple section is rectangle waviness curve, trapezoidal waviness curve, wedge shape waviness curve or sine curve; On described web, have bolt hole, for connecting bolt; Described top flange and bottom flange are steel plate, and a limit parallel with web in steel plate is wavy curve, and the shape of waviness curve is identical with the ripple section configuration of web; Described web is positioned over the waviness curve limit place of top flange and bottom flange, and the ripple section of web coincide and is connected with the waviness curve limit of top flange and bottom flange.
All beams are section steel beams, or in the Steel Castellated Beams of the web place of beam opening holes, are convenient to various pipelines and pass, and have both saved steel, effectively improve again the clear height in house.
Described assembling supports and comprises traditional center support and prestressing force center support;
Described assembling tradition center support is made up of cantilever lever and brace, and cantilever lever is directly welded in factory in the respective members of floor, while construction at the scene, brace and cantilever lever is assembled by cover plate and bolt, forms bearing diagonal; Described cantilever lever comprises node cantilever lever, center support crossbeam cantilever lever; Described node cantilever lever is positioned at the junction of column base and beam, and one side is connected with the edge of a wing of beam, and another side is connected with the square steel pipe of column base, and all connections all adopt welding; Described center support crossbeam cantilever lever is positioned at the middle part of beam, is welded on the edge of a wing of beam.
Described prestressing force center support is made up of otic placode and prestressing force brace, and otic placode is directly welded in factory in the respective members of floor, while construction at the scene, prestressing force brace and otic placode is assembled, and forms prestressing force bearing diagonal; Described otic placode comprises joint lug plate, center support crossbeam otic placode; Described joint lug plate is positioned at the junction of column base and beam, and one side is connected with the edge of a wing of beam, the square steel pipe of another side and column base, and all connections all adopt welding; Described center support crossbeam otic placode is positioned at the middle part of beam, is welded on the edge of a wing of beam.
All described center support are type steel supports, or compound beam support, or prestressed cable support, or Prestressed brace.
The present invention can obtain following beneficial effect: rigid joint of the present invention has improved the stress performance of structure, and employing prestressing technique, effectively improve the supporting capacity of assembling interlock girder steel, quoting of prestressing technique, can ensure under the prerequisite of assembled steel load bearing beam ability, effectively alleviate the deadweight of assembling girder steel, improve the span of assembling girder steel.Meanwhile, the interspersed web place that is arranged on assembling girder steel of prestressed cable, can improve the tension bearing capacity in the face of assembled steel Liangping.The present invention assembles rear girder steel and holds interlock shape, relies on the interlocking of girder steel to make whole girder steel bear the shearing in plane, effectively improves the shear resistant capacity of assembling girder steel.Compared with other like products, its mechanical property is significantly increased, and effectively promotes the development in China of large span and how high-rise assembling type steel structure system.
Brief description of the drawings
Fig. 1 is assembling floor splicing layout plan of the present invention
Fig. 2 is the schematic diagram of assembling floor A plate of the present invention
Fig. 3 is the unit decomposition figure of assembling floor A plate of the present invention
Fig. 4 is the schematic diagram of assembling floor B plate of the present invention
Fig. 5 is the unit decomposition figure of assembling floor B plate of the present invention
Fig. 6 is the schematic diagram of assembling floor C plate of the present invention
Fig. 7 is the unit decomposition figure of assembling floor C plate of the present invention
Fig. 8 is the schematic diagram of the corrugated web girder steel in assembling floor of the present invention stitching portion
Fig. 9 is prestressed cable stretch-draw schematic diagram of the present invention
Figure 10 is assembling floor splicing schematic diagram of the present invention
Figure 11 is Assembled Building sheet-pile seat unit decomposition figure of the present invention
Figure 12 is assembling flange pole unit exploded view of the present invention
Figure 13 is the schematic diagram that punches of the beam in assembling floor of the present invention
Figure 14 is node cantilever lever schematic diagram of the present invention
Figure 15 is the splicing schematic diagram of node cantilever lever of the present invention and brace
Figure 16 is center support crossbeam cantilever lever schematic diagram of the present invention
Figure 17 is the splicing schematic diagram of center support crossbeam cantilever lever of the present invention and brace
Figure 18 is center support form schematic diagram of the present invention
Figure 19 is joint lug plate schematic diagram of the present invention
Figure 20 is the splicing schematic diagram of joint lug plate of the present invention and prestressing force brace
Figure 21 is center support crossbeam otic placode schematic diagram of the present invention
Figure 22 is the splicing schematic diagram of center support crossbeam otic placode of the present invention and prestressing force brace
Figure 23 is prestressing force center support form schematic diagram of the present invention
Figure 24 is assembling design sketch of the present invention
Wherein: 1-short girder I, 2-long girder I, 3-short girder II, 4-secondary beam, 5-stiffener, 6-floor, 7-column base, 8-girder end plate, 9-long girder II, 10-short girder III, 11-flanged plate, 12-square steel pipe I, 13-flange post, 14-square steel pipe II.
Detailed description of the invention
Be elaborated below in conjunction with accompanying drawing:
As shown in Figure 1, described assembling system adopts bolts assemblies to form by prestressed cable, assembling floor, assembling support and assembling flange post; The basic composition unit of described assembling floor system is A plate, B plate and C plate, the two ends of assembling floor system are A plate unit, what be connected with A plate unit is B plate unit, and what be connected with B plate unit another side is C plate unit, and the middle part of floor system is B plate unit and the splicing of C plate units alternately.
As shown in accompanying drawing 2 and accompanying drawing 3, described A plate is made up of short girder I 1, long girder I 2, short girder II 3, secondary beam 4, stiffener 5, floor 6, column base 7 and girder end plate 8; All members of described A plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor A by welding.Short girder I 1 and vertical the putting of short girder II 3, short girder I 1 is connected with short girder II 3 with stiffener 5 by column base 7, the flanged plate up and down 11 of column base 7 flushes with the upper bottom flange of short girder I 1 and short girder II 3 respectively, two sides of described stiffener 5 are connected with the edge of a wing of short girder II 3 with short girder I 1 respectively, two stiffeners 5 are connected on top flange and bottom flange, and all connecting portions are welding; Two short girder I 1 are placed on same straight line, are connected by column base 7, and the flanged plate up and down 11 of column base 7 flushes with the upper bottom flange of two short girder I 1 respectively, and all connecting portions are all adopted as welding; Secondary beam 4 is parallel with short girder II 3, vertical with two short girder I 1, be connected with two short girder I 1 with stiffener 5 by column base 7, the flanged plate up and down 11 of column base 7 flushes with the upper bottom flange of secondary beam 4 respectively, two sides of described stiffener 5 are connected with the edge of a wing of secondary beam 4 with short girder I 1 respectively, two stiffeners 5 are connected on top flange and bottom flange, and all connecting portions are all adopted as welding; Long girder I 2 is parallel to two short girder I 1, perpendicular to two short girder II 3 and secondary beam 4, is connected with girder end plate 8 by stiffener 5 with two short girder II 3 and secondary beam 4; Described girder end plate 8 is positioned at the end of short girder II 3, and the upper and lower side of girder end plate 8 is connected with the edge of a wing of short girder II 3, and a side is connected with the web of short girder II 3; Two sides of described stiffener 5 connect the edge of a wing of long girder I 2 and short girder II 3, and with the edge of a wing that is connected long girder I 2 and secondary beam 4, stiffener 5 is connected on top flange and bottom flange, and all connecting portions are all adopted as welding; Floor 6 adopts shear key to be connected on the framework being surrounded by short girder I 1, long girder I 2, short girder II 3 and secondary beam 4.
As shown in accompanying drawing 4 and accompanying drawing 5, described B plate is made up of long girder I 2, secondary beam 4, stiffener 5, floor 6, girder end plate 8, long girder II 9 and short girder III 10; All members of described B plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor B by welding.Long girder I 2 and vertical the putting of short girder III 10, be connected with two short girder III 10 two long girder I 2 with girder end plate 8 by stiffener 5 in beam end, form rectangular frame, described girder end plate 8 is positioned at the end of short girder III 10, and the upper and lower side of girder end plate 8 is connected with the edge of a wing of short girder III 10, and a side is connected with the web of short girder III 10, two sides of described stiffener 5 are connected with the edge of a wing of short girder III 10 with long girder I 2 respectively, and two stiffeners 5 of setting are connected on top flange and bottom flange, and all connecting portions are welding, described long girder II 9 is parallel with long girder I 2, placement vertical with short girder III 10, and long girder II 9 is positioned at the middle of two long girder I 2, and two ends of long girder II 9 are connected in respectively the middle part of two short girder III 10 by stiffener 5, two sides of described stiffener 5 are connected with the edge of a wing of short girder III 10 with long girder II 9 respectively, and two stiffeners 5 of setting are connected on top flange and bottom flange, and all connecting portions are welding, described secondary beam 4 is parallel with short girder III 10, with the placement vertical with long girder II 9 of long girder I 2, by stiffener 5, the beam-ends of secondary beam 4 is connected in to the middle part of long girder I 2 and long girder II 9, be connected with long girder I 2 two sides of stiffener 5 of one end of secondary beam 4 are connected with the edge of a wing of long girder I 2 with secondary beam 4 respectively, two stiffeners 5 that arrange are connected on top flange and bottom flange, be connected with long girder II 9 two sides of stiffener 5 of one end of secondary beam 4 are connected with the edge of a wing of long girder II 9 with secondary beam 4 respectively, two stiffeners 5 that arrange are connected on top flange and bottom flange, all connecting portions are welding, floor 6 adopts shear key to be connected on the framework being surrounded by long girder I 2, secondary beam 4, long girder II 9 and short girder III 10.
As shown in accompanying drawing 6 and accompanying drawing 7, described C plate is made up of short girder I 1, long girder I 2, short girder II 3, secondary beam 4, stiffener 5, floor 6, column base 7 and girder end plate 8; All members of described C plate all complete in factory process, be then connected with shear key each component assembly is become to described novel fabricated floor C by welding.Described two short girder II 3 are placed on same straight line, connect by column base 7, and the flanged plate up and down 11 of column base 7 flushes with the upper bottom flange of short girder II 3 respectively, and as two opposite side of rectangle assembling floor C plate, all connections are welding, the placement vertical with short girder II 3 of described long girder I 2, as the two other opposite side of rectangle assembling floor C plate, all connections are welding, the four edges of C plate is connected with girder end plate 8 by stiffener 5, form rectangular frame, two sides of described stiffener 5 are connected with the edge of a wing of short girder II 3 with long girder I 2 respectively, and two stiffeners 5 are connected on top flange and bottom flange, and all connecting portions are welding, described girder end plate 8 is positioned at one end that short girder II 3 is connected with long girder I 2, and the upper and lower side of girder end plate 8 is connected with the edge of a wing of short girder II 3, and a side is connected with the web of short girder II 3, and all connecting portions are welding, one end of two short girder I 1 and two secondary beams 4 is connected on four sides of column base 7, the flanged plate up and down 11 of column base 7 flushes with the upper bottom flange of two short girder I 1 and two secondary beams 4 respectively, two short girder I 1 point-blank, two secondary beams 4 point-blank, column base 7 is positioned at C Ban center, between adjacent short girder I 1 and secondary beam 4, connect by stiffener 5, two sides of described stiffener 5 are connected with the edge of a wing of secondary beam 4 with short girder I 1 respectively, two stiffeners 5 are connected on top flange and bottom flange, all connecting portions are welding, the other end of described short girder I 1 is connected on the column base 7 at two short girder II 3 middle parts, the flanged plate up and down 11 of column base 7 flushes with the upper bottom flange of short girder I 1 respectively, short girder I 1 is connected with the limit of the C plate being made up of with two short girder II 3 column base 7 with column base 7 by stiffener 5, two sides of described stiffener 5 are connected with the edge of a wing of short girder II 3 with short girder I 1 respectively, two stiffeners 5 are connected on top flange and bottom flange, and all connecting portions are welding, the other end of described secondary beam 4 is connected to the middle part of long girder I 2, adopt stiffener 5 to connect, two sides of described stiffener 5 are connected with the edge of a wing of long girder I 2 with secondary beam 4 respectively, and two stiffeners 5 are connected on top flange and bottom flange, and all connecting portions are welding, floor 6 adopts shear key to be connected on the framework being surrounded by short girder I 1, long girder I 2, short girder II 3, secondary beam 4,
As shown in Figure 8, the wave groove beam of assembling floor of the present invention stitching portion.
As shown in Figure 9, prestressed cable stretch-draw schematic diagram of the present invention.Described prestressed cable, through the prestressed cable hole on web and the end plate of the corrugated web beam of the assembling floor after assembling, is fixed on the beam end plate of wave groove girder steel by ground tackle after on-the-spot stretch-draw.
As shown in Figure 10, the bolt at adjacent assembling floor of the present invention place splicing.
As shown in accompanying drawing 11 and accompanying drawing 12, described column base 7 is made up of two flanged plates 11 and a square steel pipe I 12, and two flanged plates 11 lay respectively on two ends of square steel pipe I 12, and all connections all adopt welding; Described flange post 13 is made up of a square steel pipe II 14 and two flanged plates 11, and two flanged plates 11 lay respectively on two ends of square steel pipe II 14, and all connections all adopt welding; Described flange post 13 is connected with column base 7, forms steel frame structural system, and all connections are all with bolts;
Described assembling floor A plate and described assembling floor B plate splice, and connecting method is that the long girder I 2 of the long girder I 2 of A plate and B plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor C plate splice, and connecting method is that the long girder I 2 of the long girder I 2 of B plate and C plate is spliced, and all splicings all adopt bolt to carry out scene splicing;
As shown in Figure 13, described all beams, all can adopt the Steel Castellated Beams at the web place of beam opening holes, are convenient to various pipelines and pass.
As shown in accompanying drawing 14-23, described assembling supports and comprises traditional center support and prestressing force center support; Described assembling tradition center support is made up of cantilever lever and brace, and cantilever lever is directly welded in factory in the respective members of floor, while construction at the scene, brace and cantilever lever is assembled by cover plate and bolt, forms bearing diagonal; Described cantilever lever comprises node cantilever lever, center support crossbeam cantilever lever; Described node cantilever lever is positioned at the junction of column base and beam, and one side is connected with the edge of a wing of beam, and another side is connected with the square steel pipe of column base, and all connections all adopt welding; Described center support crossbeam cantilever lever is positioned at the middle part of beam, is welded on the edge of a wing of beam.
Described prestressing force center support is made up of otic placode and prestressing force brace, and otic placode is directly welded in factory in the respective members of floor, while construction at the scene, prestressing force brace and otic placode is assembled, and forms prestressing force bearing diagonal; Described otic placode comprises joint lug plate, center support crossbeam otic placode; Described joint lug plate is positioned at the junction of column base and beam, and one side is connected with the edge of a wing of beam, the square steel pipe of another side and column base, and all connections all adopt welding; Described center support crossbeam otic placode is positioned at the middle part of beam, is welded on the edge of a wing of beam.
As shown in Figure 24, assembling design sketch of the present invention.
Claims (7)
1. the rigid joint assembling type steel structure center support system of application prestressing force interlock splicing, is characterized in that: described system is supported by prestressed cable, assembling floor, assembling and assembling flange post adopts bolts assemblies to form; The node of described steel structure system is to be welded in factory, can realize and being rigidly connected; Described assembling floor is by A plate, and 3 kinds of assembling floors of B plate and C plate are spliced;
Described A plate is mainly made up of short girder I (1), long girder I (2), short girder II (3), secondary beam (4), stiffener (5), floor (6), column base (7) and girder end plate (8); All members of described A plate all complete in factory process, be then connected with shear key each component assembly is become to described assembling floor A by welding; Short girder I (1) and vertical the putting of short girder II (3), short girder I (1) is connected with short girder II (3) with stiffener (5) by column base (7), the flanged plate up and down (11) of column base (7) flushes with the upper bottom flange of short girder I (1) and short girder II (3) respectively, two sides of described stiffener (5) are connected with the edge of a wing of short girder II (3) with short girder I (1) respectively, and two stiffeners (5) are connected on top flange and bottom flange; Two short girder I (1) are placed on same straight line, are connected by column base (7), and the flanged plate up and down (11) of column base (7) flushes with the upper bottom flange of two short girder I (1) respectively; Secondary beam (4) is parallel with short girder II (3), vertical with two short girder I (1), be connected with two short girder I (1) with stiffener (5) by column base (7), the flanged plate up and down (11) of column base (7) flushes with the upper bottom flange of secondary beam (4) respectively, two sides of described stiffener (5) are connected with the edge of a wing of secondary beam (4) with short girder I (1) respectively, and two stiffeners (5) are connected on top flange and bottom flange; Long girder I (2) is parallel to two short girder I (1), perpendicular to two short girder II (3) and secondary beam (4), is connected with girder end plate (8) by stiffener (5) with two short girder II (3) and secondary beam (4); Described girder end plate (8) is positioned at the end of short girder II (3), and the upper and lower side of girder end plate (8) is connected with the edge of a wing of short girder II (3), and a side is connected with the web of short girder II (3); Two sides of described stiffener (5) connect the edge of a wing of long girder I (2) and short girder II (3), and connect the edge of a wing of long girder I (2) and secondary beam (4), and stiffener (5) is connected on top flange and bottom flange; Floor (6) is positioned in the plane that each beam surrounds, and adopts shear key that floor (6) is connected on each beam;
Described B plate is mainly made up of long girder I (2), secondary beam (4), stiffener (5), floor (6), girder end plate (8), long girder II (9) and short girder III (10), all members of described B plate all complete in factory process, be then connected with shear key each component assembly is become to described assembling floor B by welding, long girder I (2) and vertical the putting of short girder III (10), be connected with two short girder III (10) two long girder I (2) with girder end plate (8) by stiffener (5) in beam end, form rectangular frame, described girder end plate (8) is positioned at the end of short girder III (10), and the upper and lower side of girder end plate (8) is connected with the edge of a wing of short girder III (10), and a side is connected with the web of short girder III (10), two sides of described stiffener (5) are connected with the edge of a wing of short girder III (10) with long girder I (2) respectively, and two stiffeners (5) of setting are connected on top flange and bottom flange, described long girder II (9) is parallel with long girder I (2), placement vertical with short girder III (10), long girder II (9) is positioned at the middle of two long girder I (2), and two ends of long girder II (9) are connected in respectively the middle part of two short girder III (10) by stiffener (5), two sides of described stiffener (5) are connected with the edge of a wing of short girder III (10) with long girder II (9) respectively, and two stiffeners (5) of setting are connected on top flange and bottom flange, described secondary beam (4) is parallel with short girder III (10), with long girder I (2) placement vertical with long girder II (9), by stiffener (5), the beam-ends of secondary beam (4) is connected in to the middle part of long girder I (2) and long girder II (9), be connected with long girder I (2) two sides of stiffener (5) of one end of secondary beam (4) are connected with the edge of a wing of long girder I (2) with secondary beam (4) respectively, two stiffeners (5) that arrange are connected on top flange and bottom flange, be connected with long girder II (9) two sides of stiffener (5) of one end of secondary beam (4) are connected with the edge of a wing of long girder II (9) with secondary beam (4) respectively, two stiffeners (5) that arrange are connected on top flange and bottom flange, floor (6) is positioned in the plane that each beam surrounds, and adopts shear key that floor (6) is connected on each beam,
Described C plate is mainly made up of short girder I (1), long girder I (2), short girder II (3), secondary beam (4), stiffener (5), floor (6), column base (7) and girder end plate (8), all members of described C plate all complete in factory process, be then connected with shear key each component assembly is become to described assembling floor C by welding, described two short girder II (3) are placed on same straight line, connect by column base (7), and the flanged plate up and down (11) of column base (7) flushes with the upper bottom flange of short girder II (3) respectively, as two opposite side of rectangle assembling floor C plate, described long girder I (2) placement vertical with short girder II (3), as the two other opposite side of rectangle assembling floor C plate, the four edges of C plate is connected with girder end plate (8) by stiffener (5), form rectangular frame, two sides of described stiffener (5) are connected with the edge of a wing of short girder II (3) with long girder I (2) respectively, and two stiffeners (5) are connected on top flange and bottom flange, described girder end plate (8) is positioned at one end that short girder II (3) is connected with long girder I (2), and the upper and lower side of girder end plate (8) is connected with the edge of a wing of short girder II (3), and a side is connected with the web of short girder II (3), one end of two short girder I (1) and two secondary beams (4) is connected on four sides of column base (7), the flanged plate up and down (11) of column base (7) flushes with the upper bottom flange of two short girder I (1) and two secondary beams (4) respectively, two short girder I (1) point-blank, two secondary beams (4) point-blank, column base (7) is positioned at C Ban center, between adjacent short girder I (1) and secondary beam (4), connect by stiffener (5), two sides of described stiffener (5) are connected with the edge of a wing of secondary beam (4) with short girder I (1) respectively, two stiffeners (5) are connected on top flange and bottom flange, the other end of described short girder I (1) is connected on the column base (7) at two short girder II (3) middle part, the flanged plate up and down (11) of column base (7) flushes with the upper bottom flange of short girder I (1) respectively, short girder I (1) is connected with the limit of the C plate being made up of with two short girder II (3) column base (7) with column base (7) by stiffener (5), two sides of described stiffener (5) are connected with the edge of a wing of short girder II (3) with short girder I (1) respectively, and two stiffeners (5) are connected on top flange and bottom flange, the other end of described secondary beam (4) is connected to the middle part of long girder I (2), adopt stiffener (5) to connect, two sides of described stiffener (5) are connected with the edge of a wing of long girder I (2) with secondary beam (4) respectively, and two stiffeners (5) are connected on top flange and bottom flange, floor (6) is positioned in the plane that each beam surrounds, and adopts shear key that floor (6) is connected on each beam,
Described column base (7) is made up of two flanged plates (11) and a square steel pipe I (12), and two flanged plates (11) lay respectively on two ends of square steel pipe I (12); Described flange post (13) is made up of a square steel pipe II (14) and two flanged plates (11), and two flanged plates (11) lay respectively on two ends of square steel pipe II (14); Described flange post (13) is connected with column base (7), forms steel frame structural system;
Described assembling floor A plate and described assembling floor B plate splice, and connecting method is that the long girder I (2) of the long girder I (2) of A plate and B plate is spliced, and all splicings all adopt bolt to carry out scene splicing; Described assembling floor B plate and described assembling floor C plate splice, and connecting method is that the long girder I (2) of the long girder I (2) of B plate and C plate is spliced; The basic composition unit of described assembling floor system is A plate, B plate and C plate, the two ends of assembling floor system are A plate unit, what be connected with A plate unit is B plate unit, and what be connected with B plate unit another side is C plate unit, and the middle part of floor system is B plate unit and the splicing of C plate units alternately;
Described long girder I (2) is corrugated web steel channel beam;
The web interlock docking of two corrugated web steel channel beams of the stitching portion of two adjacent assembling floors, carries out assembly connection at web place by bolt;
Described prestressed cable, through the prestressed cable hole on web and the end plate of the corrugated web steel channel beam of the assembling floor after assembling, is fixed on the beam end plate of corrugated web steel channel beam by ground tackle after on-the-spot stretch-draw;
Described assembling supports and comprises traditional center support and prestressing force center support;
Described assembling tradition center support is made up of cantilever lever and brace, and cantilever lever is directly welded in factory in the respective members of floor, while construction at the scene, brace and cantilever lever is assembled by cover plate and bolt, forms bearing diagonal; Described cantilever lever comprises node cantilever lever, center support crossbeam cantilever lever; Described node cantilever lever is positioned at the junction of column base and beam, and one side is connected with the edge of a wing of beam, and another side is connected with the square steel pipe of column base; Described center support crossbeam cantilever lever is positioned at the middle part of beam, is welded on the edge of a wing of beam;
Described prestressing force center support is made up of otic placode and prestressing force brace, and otic placode is directly welded in factory in the respective members of floor, while construction at the scene, prestressing force brace and otic placode is assembled, and forms prestressing force bearing diagonal; Described otic placode comprises joint lug plate, center support crossbeam otic placode; Described joint lug plate is positioned at the junction of column base and beam, and one side is connected with the edge of a wing of beam, and another side is connected with the square steel pipe of column base; Described center support crossbeam otic placode is positioned at the middle part of beam, is welded on the edge of a wing of beam.
2. the rigid joint assembling type steel structure center support system of application prestressing force interlock splicing according to claim 1, it is characterized in that: described short girder I (1), short girder II (3), secondary beam (4), long girder II (9) and short girder III (10) are H shaped steel, or two back-to-back equivalent H shaped steel that are spliced of channel-section steel, or two equivalent H shaped steel that T-steel is spliced, or four equivalent H shaped steel that angle splice joint forms.
3. the rigid joint assembling type steel structure center support system of application prestressing force interlock according to claim 1 splicing, is characterized in that: all beams are section steel beams, or in the Steel Castellated Beams of the web place of beam opening holes, is convenient to various pipelines and passes.
4. the rigid joint assembling type steel structure center support system of application prestressing force interlock splicing according to claim 1, it is characterized in that, described wave groove girder steel is by top flange, web and bottom flange composition, described top flange is parallel with bottom flange, and described web is vertically between top flange and bottom flange; The section of described web is the ripple that even or inhomogeneous periodicity repeats, and this ripple section is rectangle waviness curve, trapezoidal waviness curve, wedge shape waviness curve or sine curve; On described web, have bolt hole, for connecting bolt; Described top flange and bottom flange are steel plate, and a limit parallel with web in steel plate is wavy curve, and the shape of waviness curve is identical with the ripple section configuration of web; Described web is positioned over the waviness curve limit place of top flange and bottom flange, and the ripple section of web coincide and is connected with the waviness curve limit of top flange and bottom flange.
5. the rigid joint assembling type steel structure center support system of application prestressing force interlock splicing according to claim 1, is characterized in that: described prestressed cable is replaced with to presstressed reinforcing steel.
6. the rigid joint assembling type steel structure center support system of application prestressing force interlock splicing according to claim 1, is characterized in that: the prestressed cable through prestressed cable hole reserved on web and beam end plate is one or more; Described prestressed cable linear be recess upwards, linear shape can change according to force request.
7. the rigid joint assembling type steel structure center support system of application prestressing force interlock splicing according to claim 1, it is characterized in that: all described center support are type steel supports, or compound beam support, or prestressed cable support, or Prestressed brace.
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| CN201410111024.4A CN103882959A (en) | 2014-03-24 | 2014-03-24 | Rigid joint assembly type steel structure center supporting system spliced by pre-stressing force in meshed mode |
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| CN201410111024.4A CN103882959A (en) | 2014-03-24 | 2014-03-24 | Rigid joint assembly type steel structure center supporting system spliced by pre-stressing force in meshed mode |
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| CN103195210A (en) * | 2013-04-19 | 2013-07-10 | 北京工业大学 | Pre-stressing assembly type corrugated web plate holding-on steel beam |
| CN103206014A (en) * | 2013-04-23 | 2013-07-17 | 北京工业大学 | Multi-high-rise assembled steel structure frame supporting system capable of realizing rigid connection of joints |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3688461A (en) * | 1969-05-17 | 1972-09-05 | Rensch Eberhard | Framework for building structures |
| US3785109A (en) * | 1970-12-18 | 1974-01-15 | Coparfi Rueil Malmaison | Structural arrangement |
| CN103195210A (en) * | 2013-04-19 | 2013-07-10 | 北京工业大学 | Pre-stressing assembly type corrugated web plate holding-on steel beam |
| CN103184762A (en) * | 2013-04-23 | 2013-07-03 | 北京工业大学 | Multi-story/high-rise fabricated steel structural prestressed supporting system capable of realizing rigid connection of joints |
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Application publication date: 20140625 |