CN113882236B - Corrugated steel web combined beam bridge - Google Patents
Corrugated steel web combined beam bridge Download PDFInfo
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- CN113882236B CN113882236B CN202111202177.6A CN202111202177A CN113882236B CN 113882236 B CN113882236 B CN 113882236B CN 202111202177 A CN202111202177 A CN 202111202177A CN 113882236 B CN113882236 B CN 113882236B
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- corrugated steel
- steel web
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a corrugated steel web combined girder bridge, which comprises a plurality of corrugated steel web combined girder units, wherein each corrugated steel web combined girder unit is connected end to end, and comprises a top plate, a bottom plate, a corrugated steel web and a cross brace assembly; the bottom plate is positioned below the top plate; the two corrugated steel webs are arranged between the top plate and the bottom plate, the two corrugated steel webs are arranged at intervals, the upper end of each corrugated steel web is fixedly connected with the top plate, and the lower end of each corrugated steel web is fixedly connected with the bottom plate; the cross brace assembly is provided with at least one group, and comprises two cross brace rods, wherein the two cross brace rods are positioned between two corrugated steel webs, the two cross brace rods are arranged in a crossing manner, and two ends of each cross brace rod are respectively connected with the top plate and the bottom plate in a rotating manner. The corrugated steel web combined beam bridge can effectively solve the problem of stress concentration at the transverse strut.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a corrugated steel web combined girder bridge.
Background
The corrugated steel web bridge combined beam bridge has the advantages of light dead weight, high prestress efficiency, high web buckling resistance, no need of stiffening ribs and the like, and is a novel bridge with great potential.
In the related art, the corrugated steel web bridge composite girder bridge is easy to have stress concentration at the diaphragm plate or the cross brace, the normal stress and the shear stress of the top plate and the bottom plate can be suddenly increased, the normal stress and the shear stress in the diaphragm plate or the cross brace can be increased, and the corrugated steel web bridge composite girder bridge has the risk of local damage of the structure.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the corrugated steel web combined beam bridge, which can effectively solve the problem of stress concentration at the transverse strut.
The corrugated steel web combined girder bridge comprises a plurality of corrugated steel web combined girder units, wherein each corrugated steel web combined girder unit is connected end to end, and the corrugated steel web combined girder unit comprises:
a top plate;
the bottom plate is positioned below the top plate;
the corrugated steel webs are arranged, the two corrugated steel webs are positioned between the top plate and the bottom plate, the two corrugated steel webs are arranged at intervals, the upper end of each corrugated steel web is fixedly connected with the top plate, and the lower end of each corrugated steel web is fixedly connected with the bottom plate;
the transverse support assembly is provided with at least one group and comprises two transverse support rods, the two transverse support rods are positioned between the two corrugated steel webs, the two transverse support rods are arranged in a crossing manner, two ends of each transverse support rod are respectively connected with the top plate and the bottom plate in a rotating manner, the rotation axes of the transverse support rods and the top plate are positioned on the transverse section of the corrugated steel web combined box girder unit, and the rotation axes of the transverse support rods and the bottom plate are positioned on the transverse section of the corrugated steel web combined box girder unit; the top plate can rotate longitudinally along the bridge relative to the cross brace, and the bottom plate can rotate longitudinally along the bridge relative to the cross brace.
The corrugated steel web composite girder bridge provided by the embodiment of the invention has at least the following beneficial effects: the two transverse supporting rods are arranged in a crossing way, the two ends of each transverse supporting rod are respectively connected with the top plate and the bottom plate in a rotating way, the rotating axle centers of the transverse supporting rods and the top plate are positioned on the transverse section of the corrugated steel web combined box girder unit (namely, the top plate can rotate along the longitudinal direction of the bridge relative to the transverse supporting rods), and the rotating axle centers of the transverse supporting rods and the bottom plate are positioned on the transverse section of the corrugated steel web combined box girder unit (namely, the bottom plate can rotate along the longitudinal direction of the bridge relative to the transverse supporting rods); therefore, the two cross braces not only can play a supporting role and reduce torsional distortion deformation of the corrugated steel web combined girder bridge, but also can rotate slightly along the longitudinal direction of the corrugated steel web combined box girder unit relative to the bottom plate, longitudinal relative displacement of the top plate and the bottom plate due to external force is released, and meanwhile, shear deformation of the corrugated steel web near the cross braces is also released, so that the problem of stress concentration of the corrugated steel web combined girder bridge at the cross braces is effectively solved.
According to some embodiments of the invention, the cross brace assembly further comprises four pre-buried anchors, each of the pre-buried anchors comprising an anchor plate and at least one peg, one end of each peg being fixed to one side of the anchor plate; the anchor plates of the two embedded anchoring pieces are respectively connected with one ends of the two transverse supporting rods in a rotating mode, the pegs of the two embedded anchoring pieces are buried in the top plate, the anchor plates of the other two embedded anchoring pieces are respectively connected with the other ends of the two transverse supporting rods in a rotating mode, and the pegs of the other two embedded anchoring pieces are buried in the bottom plate.
According to some embodiments of the invention, each of the pre-buried anchors includes a plurality of the pegs, the plurality of pegs being arranged in an array on the side of the anchor plate.
According to some embodiments of the invention, the top plate comprises a top plate body and a first transverse prestress assembly, the first transverse prestress assembly comprises a first prestress rib, a first corrugated pipe and two first backing plates, the first corrugated pipe is penetrated in the top plate body along the transverse direction of the corrugated steel web combined box girder unit, the first prestress rib is penetrated in the first corrugated pipe, the two first backing plates are respectively arranged at two ends of the first prestress rib, and the first prestress rib is used for enabling each first backing plate to be propped against the top plate body.
According to some embodiments of the invention, the material of the first bellows is plastic or steel.
According to some embodiments of the invention, the first tendon comprises a steel bar or a steel strand.
According to some embodiments of the present invention, the base plate includes a base plate body and a second transverse prestress assembly, the second transverse prestress assembly includes a second prestress rib, a second bellows and two second backing plates, the second bellows is penetrated in the base plate body along the transverse direction of the corrugated steel web combined box girder unit, the second prestress rib is penetrated in the second bellows, the two second backing plates are respectively arranged at two ends of the second prestress rib, and the second prestress rib is used for making each second backing plate support against the base plate body.
According to some embodiments of the invention, the material of the second bellows is plastic or steel.
According to some embodiments of the invention, the second tendon comprises a steel bar or a steel strand.
According to some embodiments of the invention, the cross brace comprises steel pipe or H-section steel.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a transverse cross-sectional view of a corrugated steel web composite girder bridge according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of region I of FIG. 1;
FIG. 3 is an enlarged view of a portion of area II of FIG. 1;
fig. 4 is a partial cross-sectional view of the corrugated steel web composite girder bridge of fig. 1 taken along section A-A.
Reference numerals: the device comprises a top plate 100, a top plate body 110, a first transverse prestress assembly 120, a first corrugated pipe 121, a first prestress rib 122, a first base plate 123 and a second nut 124;
a corrugated steel web 200;
the cross brace assembly 300, the embedded anchor 310, the second connecting plate 311, the anchor plate 312, the peg 313, the cross brace 320 and the first connecting plate 321;
the bottom plate 400, the bottom plate body 410, the second transverse prestress assembly 420, the second corrugated pipe 421, the second prestress rib 422, the second base plate 423 and the third nut 424.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present invention, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, a corrugated steel web composite girder bridge according to an embodiment of the present invention includes a plurality of corrugated steel web composite girder units, each of which is connected end to end, the corrugated steel web composite girder unit including a top plate 100, a corrugated steel web 200, a wale assembly 300, and a bottom plate 400. The bottom plate 400 is located below the top plate 100. The corrugated steel webs 200 are provided with two, the two corrugated steel webs 200 are positioned between the top plate 100 and the bottom plate 400, the two corrugated steel webs 200 are arranged at intervals, the upper end of each corrugated steel web 200 is fixedly connected with the top plate 100, and the lower end of each corrugated steel web 200 is fixedly connected with the bottom plate 400.
The cross brace assembly 300 is provided with at least one group, and the cross brace assembly 300 includes two cross braces 320. Two cross braces 320 are located between two corrugated steel webs 200, and two cross braces 320 are arranged in a crossing manner. Both ends of each cross brace 320 are respectively connected with the top plate 100 and the bottom plate 400 in a rotating way, and the rotation axes of each cross brace 320 and the top plate 100 are positioned on the transverse section of the corrugated steel web combined box girder unit, and the rotation axes of each cross brace 320 and the bottom plate 400 are positioned on the transverse section of the corrugated steel web combined box girder unit.
In combination with the above, the two cross braces 320 are disposed in a crossing manner, two ends of each cross brace 320 are respectively connected with the top plate 100 and the bottom plate 400 in a rotating manner, and the rotation axes of each cross brace 320 and the top plate 100 are located on the transverse section of the corrugated steel web combined box girder unit (i.e. the top plate 100 can rotate along the longitudinal direction of the bridge relative to the cross brace 320), and the rotation axes of each cross brace 320 and the bottom plate 400 are located on the transverse section of the corrugated steel web combined box girder unit (i.e. the bottom plate 400 can rotate along the longitudinal direction of the bridge relative to the cross brace 320). Therefore, the two cross braces 320 not only can play a supporting role and reduce torsional distortion deformation of the corrugated steel web composite girder bridge, the top plate 100 can also rotate slightly relative to the bottom plate 400 along the longitudinal direction of the corrugated steel web composite box girder unit, the longitudinal relative displacement of the top plate 100 and the bottom plate 400 due to the action of external force is released, and meanwhile, the shearing deformation of the corrugated steel web 200 near the cross braces 320 is also released, so that the problem of stress concentration of the corrugated steel web composite girder bridge at the cross braces 320 is effectively solved.
It should be noted that, the corrugated steel web 200 may be a monolithic corrugated plate, or may be formed by splicing a plurality of small corrugated plates.
Referring to fig. 1 and 3, in some embodiments of the present invention, the cross brace assembly 300 further includes four pre-buried anchors 310, each pre-buried anchor 310 including an anchor plate 312 and at least one peg 313, one end of each peg 313 being fixed to one side of the anchor plate 312. The anchor plates 312 of the two pre-buried anchors 310 are respectively rotatably connected with the upper ends of the two cross braces 320, and the pegs 313 of the two pre-buried anchors 310 are buried in the top plate 100, the anchor plates 312 of the other two pre-buried anchors 310 are respectively rotatably connected with the lower ends of the two cross braces 320, and the pegs 313 of the other two pre-buried anchors 310 are buried in the bottom plate 400.
Thus, by embedding the pegs 313 of the embedded anchors 310 in the top plate 100 or the bottom plate 400, the connection strength of the cross braces 320 with the top plate 100 and the connection strength of the cross braces 320 with the bottom plate 400 can be increased. Meanwhile, the cross brace 320 can be conveniently installed, and the construction period can be shortened.
Specifically, the two ends of the cross brace 320 are further provided with a first connection plate 321, and the first connection plate 321 is provided with a first through hole. Each embedded anchor 310 further comprises a bolt, a first nut and two second connecting plates 311, wherein the two second connecting plates 311 are fixed on one side, far away from the bolts 313, of the anchor plate 312, the two second connecting plates 311 are arranged at intervals, and the two second connecting plates 311 are provided with second through holes. The first connecting plate 321 is inserted between the two second connecting plates 311, and after the first through holes are aligned with the second through holes, bolts are inserted in the first through holes and the second through holes and are in threaded fit with the first nuts. Whereby the cross bar 320 is rotatably coupled to the anchor plate 312.
Referring to fig. 1, 3 and 4, in a further embodiment of the present invention, each pre-buried anchor 310 includes a plurality of pegs 313, and the plurality of pegs 313 are arranged in an array on a side of the anchor plate 312. Thus, the pegs 313 can uniformly transmit the force applied to the anchor plate 312 to the top plate 100 or the bottom plate 400, and the connection of the anchor plate 312 to the top plate 100 (or the bottom plate 400) is more stable.
Specifically, the plurality of pegs 313 may be arranged in a rectangular array on the sides of the anchor plate 312.
Referring to fig. 1 and 2, in some embodiments of the present invention, a top plate 100 includes a top plate body 110 and a first transverse prestressing assembly 120, the first transverse prestressing assembly 120 including a first prestressing tendon 122, a first bellows 121 and two first backing plates 123. The first corrugated pipe 121 is penetrated in the top plate body 110 along the transverse direction of the corrugated steel web combined box girder unit, the first prestressed tendons 122 are penetrated in the first corrugated pipe 121, two first backing plates 123 are respectively arranged at two ends of the first prestressed tendons 122, and the first prestressed tendons 122 are used for enabling the first backing plates 123 to be propped against the top plate body 110.
Accordingly, the first tendons 122 transmit the prestress to the top plate body 110 (i.e., the concrete portion) through the first pad 123, and counteract the acting force of the cross brace 320 on the top plate body 110, thereby reducing the probability of cracking of the top plate body 110.
Specifically, the first transverse prestress assembly 120 further includes two second nuts 124, external threads are disposed at two ends of the first tendon 122, and after a first backing plate 123 is respectively inserted at two ends of the first tendon 122, the first tendon is respectively in threaded fit with one second nut 124, so as to realize connection between the first tendon 122 and the first backing plate 123.
In a further embodiment of the invention, the material of the first bellows 121 is plastic. The first bellows 121 made of plastic has the advantages of good sealing performance, no water seepage and slurry leakage, high ring stiffness, small friction parameter, aging resistance, electric erosion resistance, good flexible force and difficult breaking by the tamper.
Specifically, the material of the first bellows 121 may be HDPE (high density polyethylene) or PVC (polyvinyl chloride).
In a further embodiment of the invention, the material of the first bellows 121 is steel. The first corrugated pipe 121 made of steel has the advantages of good sealing performance, no water seepage and slurry leakage, high ring stiffness and difficult breaking by a tamping rod.
Referring to fig. 1 and 2, in a further embodiment of the present invention, the first tendon 122 comprises a steel reinforcement. The steel bar has the advantages of small prestress loss and convenient tensioning. Specifically, both ends of the reinforcing bar pass through the first pad 123 and are then screw-coupled to the second nut 124.
In a further embodiment of the present invention, the first tendon 122 comprises a steel strand. The steel strand is easy to bend, has high tensile strength and can better meet the use requirement. Specifically, both ends of the steel strand are abutted against the top plate body 110 through clip type anchors.
Referring to fig. 1 and 3, in some embodiments of the present invention, the base plate 400 includes a base plate body 410 and a second transverse pre-stressing assembly 420, the second transverse pre-stressing assembly 420 includes a second pre-stressing tendon 422, a second corrugated tube 421 and two second backing plates 423, the second corrugated tube 421 is penetrated in the base plate body 410 along the transverse direction of the corrugated steel web composite box girder unit, the second pre-stressing tendon 422 is penetrated in the second corrugated tube 421, the two second backing plates 423 are respectively arranged at two ends of the second pre-stressing tendon 422, and the second pre-stressing tendon 422 is used for supporting each second backing plate 423 with the base plate body 410.
Accordingly, the second tendons 422 transmit the prestress to the base plate body 410 (i.e., the concrete portion) through the second tie plates 423, and counteract the acting force of the cross brace 320 on the base plate body 410, thereby reducing the probability of cracking of the base plate body 410.
Similarly, the second transverse prestress assembly 420 further comprises two third nuts 424, external threads are arranged at two ends of the second prestress rib 422, two ends of the second prestress rib 422 respectively penetrate through a second base plate 423 and then are respectively in threaded fit with one third nut 424, and accordingly connection between the second prestress rib 422 and the second base plate 423 is achieved.
In a further embodiment of the invention, the material of the second bellows 421 is plastic. The second corrugated pipe 421 made of plastic has the advantages of good sealing performance, no water seepage and slurry leakage, high ring stiffness, small friction parameter, aging resistance, electric erosion resistance, good flexible force and difficult breaking by the tamper.
In particular, the material of the second bellows 421 may be HDPE (high density polyethylene) or PVC (polyvinyl chloride).
In a further embodiment of the invention, the material of the second bellows 421 is steel. The second corrugated pipe 421 made of steel has the advantages of good sealing performance, no water seepage and slurry leakage, high ring stiffness and difficult breaking by the tamping rod.
Referring to fig. 1 and 2, in a further embodiment of the present invention, the second tendon 422 comprises a steel bar. The steel bar has the advantages of small prestress loss and convenient tensioning. Specifically, both ends of the reinforcing bar pass through the second pad 423 and are then screw-coupled with the third nut 424.
In a further embodiment of the present invention, the second tendon 422 comprises a steel strand. The steel strand is easy to bend, has high tensile strength and can better meet the use requirement. Specifically, both ends of the steel strand are abutted against the top plate body 110 through clip type anchors.
In some embodiments of the present invention, the cross brace 320 comprises steel pipe or H-section steel. The steel pipe has the characteristics of high bidirectional bending strength and easy acquisition, and can better meet the use requirement. The H-shaped steel has the characteristics of high unidirectional bending strength and easy acquisition, and can better meet the use requirements.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention. Furthermore, embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. The corrugated steel web combined girder bridge comprises a plurality of corrugated steel web combined girder units, and each corrugated steel web combined girder unit is connected end to end, and is characterized in that the corrugated steel web combined girder unit comprises:
a top plate;
the bottom plate is positioned below the top plate;
the corrugated steel webs are arranged, the two corrugated steel webs are positioned between the top plate and the bottom plate, the two corrugated steel webs are arranged at intervals, the upper end of each corrugated steel web is fixedly connected with the top plate, and the lower end of each corrugated steel web is fixedly connected with the bottom plate;
the transverse support assembly is provided with at least one group and comprises two transverse support rods, the two transverse support rods are positioned between the two corrugated steel webs, the two transverse support rods are arranged in a crossing manner, two ends of each transverse support rod are respectively connected with the top plate and the bottom plate in a rotating manner, the rotation axes of the transverse support rods and the top plate are positioned on the transverse section of the corrugated steel web combined box girder unit, and the rotation axes of the transverse support rods and the bottom plate are positioned on the transverse section of the corrugated steel web combined box girder unit; the top plate can rotate longitudinally along the bridge relative to the cross brace, and the bottom plate can rotate longitudinally along the bridge relative to the cross brace.
2. The corrugated steel web composite girder bridge of claim 1, wherein said cross brace assembly further comprises four pre-buried anchors, each of said pre-buried anchors comprising an anchor plate and at least one peg, one end of each of said pegs being secured to one side of said anchor plate; the anchor plates of the two pre-buried anchoring parts are respectively connected with the upper ends of the two transverse supporting rods in a rotating way, the pegs of the two pre-buried anchoring parts are buried in the top plate, the anchor plates of the other two pre-buried anchoring parts are respectively connected with the lower ends of the two transverse supporting rods in a rotating way, and the pegs of the other two pre-buried anchoring parts are buried in the bottom plate.
3. The corrugated steel web composite girder bridge of claim 2, wherein each of said pre-buried anchors comprises a plurality of said pegs, said plurality of said peg arrays being arranged on said sides of said anchor plate.
4. A corrugated steel web composite girder bridge according to any one of claims 1 to 3, wherein the roof comprises a roof body and a first transverse pre-stressing assembly, the first transverse pre-stressing assembly comprises a first pre-stressing rib, a first corrugated pipe and two first backing plates, the first corrugated pipe is penetrated in the roof body along the transverse direction of the corrugated steel web composite girder unit, the first pre-stressing rib is penetrated in the corrugated pipe, the two first backing plates are respectively arranged at two ends of the first pre-stressing rib, and the first pre-stressing rib is used for enabling each first backing plate to prop against the roof body.
5. The corrugated steel web composite girder bridge of claim 4, wherein the material of the first bellows is plastic or steel.
6. The corrugated steel web composite girder bridge of claim 4, wherein the first tendons comprise steel bars or steel strands.
7. A corrugated steel web composite girder bridge according to any one of claims 1 to 3, wherein the base plate comprises a base plate body and a second transverse pre-stressing assembly, the second transverse pre-stressing assembly comprises a second pre-stressing tendon, a second corrugated pipe and two second backing plates, the second corrugated pipe is penetrated in the base plate body along the transverse direction of the corrugated steel web composite girder unit, the second pre-stressing tendon is penetrated in the second corrugated pipe, the two second backing plates are respectively arranged at two ends of the second pre-stressing tendon, and the second pre-stressing tendon is used for enabling each second backing plate to prop against the base plate body.
8. The corrugated steel web composite girder bridge of claim 7, wherein the material of the second bellows is plastic or steel.
9. The corrugated steel web composite girder bridge of claim 7, wherein the second tendons comprise steel bars or steel strands.
10. A corrugated steel web composite girder bridge according to any one of claims 1 to 3, wherein the cross braces comprise steel pipes or H-section steel.
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| CN202111202177.6A CN113882236B (en) | 2021-10-15 | 2021-10-15 | Corrugated steel web combined beam bridge |
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| CN202111202177.6A CN113882236B (en) | 2021-10-15 | 2021-10-15 | Corrugated steel web combined beam bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4528042B2 (en) * | 2004-07-09 | 2010-08-18 | 大成建設株式会社 | Construction method of box girder bridge |
| JP4040639B2 (en) * | 2005-05-18 | 2008-01-30 | 三井住友建設株式会社 | Corrugated steel web bridge |
| JP5217428B2 (en) * | 2007-12-28 | 2013-06-19 | 鹿島建設株式会社 | Composite hollow structure of bridge column head or girder end |
| CN102418313B (en) * | 2011-09-30 | 2014-01-29 | 李勇 | Polycarbonate (PC) composite bridge with corrugated steel webs and construction method for PC composite bridge |
| CN103741582B (en) * | 2013-12-30 | 2016-08-17 | 郑州大学 | A kind of prestressed concrete composite box-girder with corrugated steel webs and construction method thereof |
| CN107386090A (en) * | 2017-06-09 | 2017-11-24 | 中铁二院工程集团有限责任公司 | The more chamber box girder with corrugated steel webs constructions of combined type |
| CN110714402A (en) * | 2019-11-15 | 2020-01-21 | 浙江交工高等级公路养护有限公司 | Supporting anti-cracking component and mounting method thereof |
| CN112813855A (en) * | 2021-01-22 | 2021-05-18 | 广州珠江黄埔大桥建设有限公司 | Damping type elastic support disposal method for cracking disease of steel box girder inclined web member |
| CN113062197B (en) * | 2021-03-31 | 2022-08-23 | 浙江师范大学 | Assembly type stiffening large cantilever corrugated steel web PC combined box girder and construction method thereof |
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