CN113174837A - Wave form steel web combination beam bridge structure - Google Patents
Wave form steel web combination beam bridge structure Download PDFInfo
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- CN113174837A CN113174837A CN202110516358.XA CN202110516358A CN113174837A CN 113174837 A CN113174837 A CN 113174837A CN 202110516358 A CN202110516358 A CN 202110516358A CN 113174837 A CN113174837 A CN 113174837A
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- lining
- steel web
- corrugated steel
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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
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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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Abstract
The invention discloses a corrugated steel web combined beam bridge structure which comprises a corrugated steel web, wherein a combined beam top plate is arranged at the top of the corrugated steel web, a combined beam bottom plate is arranged at the bottom of the corrugated steel web, the bottom of the combined beam bottom plate is erected and supported on a support, and the combined beam bottom plate and the support supporting part are fulcrums; the side part of the surface of the corrugated steel web plate is provided with a plurality of lining inclined rods at a set distance adjacent to the fulcrum, the lining inclined rods are obliquely arranged, and the lining inclined rods are sequentially arranged in parallel.
Description
Technical Field
The invention belongs to the technical field of corrugated steel web composite structures, and particularly relates to a corrugated steel web composite beam bridge structure.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The corrugated steel web composite beam bridge is a novel steel-concrete composite structure formed by adopting corrugated steel webs to replace traditional concrete webs, is originally proposed and built by French engineers in the last 80 th century, and has been developed to a certain extent in many parts of the world. The bridge type to which the corrugated steel web composite girder bridge is applied comprises a continuous girder bridge, a continuous rigid frame bridge, a short-tower cable-stayed bridge and the like.
The corrugated steel web composite beam bridge has the advantages of light dead weight, good earthquake resistance, high prestress efficiency, definite stress, attractive appearance and the like, but in practical application, the composite beam bridge still has some defects. The inventor finds that the corrugated steel web plate is a thin-wall plate shell component, the buckling resistance is weaker, and the corrugated steel web plate is more obvious in performance in areas with larger shearing force or higher beam height, such as the vicinity of a fulcrum, and the like, in order to solve the problem, lining concrete is usually arranged on a beam section near the fulcrum, the lining concrete is connected with the corrugated steel web plate through studs, the construction is difficult, and divergent cracks spreading along the studs are easy to appear in the operation process, so that the durability of the structure is influenced; the corrugated steel web is corrugated in the longitudinal direction, the axial rigidity is low, in order to limit the longitudinal relative displacement of the top plate and the bottom plate of the composite beam, a concrete beam section is usually arranged on the pier top, the concrete beam section on the pier top is a large-volume concrete member, the engineering quantity is large, the construction period is long, the corrugated steel web is connected with the corrugated steel web in a flange type or embedded type, the structure is complex, and the construction difficulty is large.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a corrugated steel web plate combined beam bridge structure which is simple in structure, convenient to construct and good in durability.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the invention provides a corrugated steel web composite beam bridge structure, which comprises a corrugated steel web, wherein a composite beam top plate is arranged at the top of the corrugated steel web, a composite beam bottom plate is arranged at the bottom of the corrugated steel web, a support is erected and supported at the bottom of the composite beam bottom plate, and the composite beam bottom plate and a support supporting part are fulcrums; the side part of the surface of the corrugated steel web plate is provided with a plurality of lining inclined rods at a set distance adjacent to the fulcrum, the lining inclined rods are obliquely arranged, and the lining inclined rods are sequentially arranged in parallel.
As a further technical scheme, the lining diagonal rods are arranged on one side or two sides of the corrugated steel web plate, and the included angle theta between the lining diagonal rods and the bottom plate of the combined beam is 40-60 degrees.
As a further technical scheme, the lining diagonal rods are arranged at two ends of the corrugated steel web plate, and the distance between the top of each lining diagonal rod and the center of the corrugated steel web plate is smaller than the distance between the bottom of each lining diagonal rod and the center of the corrugated steel web plate.
As a further technical scheme, the longitudinal arrangement length a of the lining diagonal rod is not less than 1-2 times of the height h of the combined beam bridge at the fulcrum.
As a further technical scheme, the lining diagonal rods are arranged in the middle of the corrugated steel web plate, the lining diagonal rods in the middle are arranged into two groups, and the two groups of lining diagonal rods are symmetrically arranged on two sides of a pivot in the middle of the corrugated steel web plate.
As a further technical scheme, the distance between the tops of the two groups of lining oblique rods and the center of the corrugated steel web plate is larger than the distance between the bottoms of the two groups of lining oblique rods and the center of the corrugated steel web plate.
As a further technical scheme, the longitudinal arrangement length a of the lining diagonal rod in the middle is not less than 2-3 times of the height h of the combined beam bridge at the fulcrum.
As a further technical scheme, the corrugated steel web plate and the lining diagonal rod are connected through a fastening connecting piece.
As a further technical scheme, the lining diagonal rod is made of channel steel, angle steel or T-shaped steel.
As a further technical scheme, the corrugated steel web is vertically arranged, and the top plate and the bottom plate of the composite beam are both horizontally arranged; the corrugated steel web plate is fixedly connected with the top plate and the bottom plate of the composite beam.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
according to the corrugated steel web combined beam bridge structure, the inner surface and the outer surface of the corrugated steel web are restrained by the lining diagonal rods, so that the buckling resistance of the corrugated steel web near the fulcrum is greatly enhanced, the lining concrete of the conventional corrugated steel web combined beam bridge is replaced, the defect that divergent cracks spread along the studs easily appear in the lining concrete in the operation process is overcome, and the durability of the structure is improved.
According to the corrugated steel web composite beam bridge structure, the lining oblique rod is utilized to form longitudinal locking near the fulcrum, so that longitudinal relative displacement of the top plate and the bottom plate of the composite beam is limited, a concrete beam section at the top of a pier of the conventional corrugated steel web composite beam can be eliminated, the engineering quantity is effectively reduced, and the engineering is economic.
According to the corrugated steel web combined beam bridge structure, all components can be processed in a factory and assembled and installed after being assembled and assembled in the factory or transported to the site, and the corrugated steel web combined beam bridge structure is simple in structure and convenient to construct.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic illustration of a composite beam bridge structure according to one or more embodiments of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a composite beam bridge structure in the form of a simply supported beam;
FIG. 4 is a schematic view of a composite beam bridge structure in the form of a continuous beam;
FIG. 5 is a schematic view of the connection between the channel steel lining diagonal and the corrugated steel web;
FIG. 6 is a schematic view of the connection of a single-limb angle steel lining diagonal rod and a corrugated steel web;
FIG. 7 is a schematic view of the connection of a diagonal rod and a corrugated steel web of a double-limb angle steel lining;
FIG. 8 is a schematic view of the connection between the T-shaped steel lining diagonal rods and the corrugated steel web;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
the steel beam comprises 1-corrugated steel webs, 2-lining diagonal rods, 3-composite beam top plates, 4-composite beam bottom plates, 5-high-strength bolts, 6-channel steel lining diagonal rods, 7-single-limb angle steel lining diagonal rods, 8-double-limb angle steel lining diagonal rods, 9-T-shaped steel lining diagonal rods, a-lining diagonal rods, h-fulcrum beam height and theta-lining diagonal rod included angle with the composite beam bottom plates.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In a typical embodiment of the present invention, as shown in fig. 1, a corrugated steel web composite girder bridge structure is provided, which is composed of a corrugated steel web 1, a lining diagonal rod 2 and a high-strength bolt 5.
Wherein, 1 vertical setting of wave form steel web, 1 top of wave form steel web sets up combination beam top plate 3, and 1 bottom of wave form steel web sets up combination beam bottom plate 4. The composite beam top plate 3 and the composite beam bottom plate 4 are both horizontally arranged.
The corrugated steel web plate 1 is fixedly connected with the top plate and the bottom plate of the composite beam, the bottom of the bottom plate 4 of the composite beam is erected and supported on a support, and the contact part of the bottom plate of the composite beam and the support is a fulcrum.
The side part of the surface of the corrugated steel web plate 1 is close to the fulcrum and is provided with a plurality of lining diagonal rods 2 at a set distance, the lining diagonal rods 2 are of rod-shaped structures, and the lining diagonal rods are sequentially arranged in parallel.
The lining diagonal rods can be arranged on one side or two sides of the corrugated steel web plate; when the lining diagonal rods are arranged on one side of the corrugated steel web plate, the lining diagonal rods can be sequentially arranged on the outer side of the corrugated steel web plate, and certainly, the lining diagonal rods can also be sequentially arranged on the inner side of the corrugated steel web plate.
In a further scheme, the lining diagonal rods are obliquely arranged, and the included angle theta between each lining diagonal rod and the bottom plate of the combined beam is 40-60 degrees.
The corrugated steel web 1 and the lining diagonal rod 2 are fixedly connected through a high-strength bolt 5 (namely a fastening connecting piece).
The combined beam bridge structure can be a simply supported beam, when the simply supported beam structure is arranged, the bottoms of two ends of the corrugated steel web plate are supported by the support, the inner lining inclined rods are arranged at the positions, corresponding to the pivot points, of the two ends of the corrugated steel web plate, the distance between the tops of the inner lining inclined rods at the two ends of the corrugated steel web plate and the center of the corrugated steel web plate is smaller than the distance between the bottoms of the inner lining inclined rods and the center of the corrugated steel web plate, and the tops of the inner lining inclined rods are closer to the center of the corrugated steel web plate than the bottoms of the inner lining inclined rods.
The combined beam bridge structure can also be a continuous beam, when the combined beam bridge structure is set to be a continuous beam structure, both ends and the bottom of the middle part of the corrugated steel web plate are supported by the base, lining oblique rods are arranged at the positions, corresponding to the fulcrum positions, of both ends of the corrugated steel web plate, and lining oblique rods are also arranged at the position, corresponding to the fulcrum positions, of the middle part of the corrugated steel web plate;
the distance between the top of the lining diagonal rod at the two ends of the corrugated steel web and the center of the corrugated steel web is smaller than the distance between the bottom of the lining diagonal rod and the center of the corrugated steel web, namely the top of the lining diagonal rod is closer to the middle of the corrugated steel web than the bottom of the lining diagonal rod; the inside lining down tube at wave form steel web middle part sets up to two sets ofly, and two sets of inside lining down tube symmetries set up in the both sides of wave form steel web middle part fulcrum, and the distance at two sets of inside lining down tube tops and wave form steel web center all is greater than the distance at bottom and wave form steel web center, and the inside lining down tube bottom at middle part is more close to in wave form steel web center than the top promptly.
Referring to fig. 3 and 4, for the end pivot of the combined beam slab, the longitudinal arrangement length a of the lining diagonal rod 2 is not less than 1-2 times of the beam height h at the pivot; for the middle pivot, the longitudinal arrangement length a of the lining oblique rod 2 is not less than 2-3 times of the height h of the beam at the pivot; it should be noted here that only a continuous beam will have a mid-pivot.
The length a of the lining diagonal rods 2 in the longitudinal direction is the length of the tops and the bottoms of the lining diagonal rods at the end fulcrum or the middle fulcrum in the longitudinal direction of the corrugated steel web.
The distances among the lining diagonal rods are equal, and in the embodiment, four parallel and spaced lining diagonal rods are arranged at the end supporting point; two groups are arranged at the middle pivot, and each group is provided with three parallel and spaced lining oblique rods.
In the present invention, the definition about the longitudinal direction is: the corrugated steel web plate is vertically arranged, and the longitudinal direction is the length direction of the corrugated steel web plate.
In alternative embodiments, the lining diagonal 2 is made of channel steel or angle steel or T-section steel.
As shown in fig. 4, the lining diagonal rod is a channel steel lining diagonal rod 6, and the corrugated steel web 1 and the channel steel lining diagonal rod 6 are connected by a high-strength bolt 5.
As shown in fig. 5, the lining diagonal rod is set as an angle steel and is set as a single-limb angle steel lining diagonal rod 7, and the corrugated steel web plate 1 and the single-limb angle steel lining diagonal rod 7 are connected by adopting a high-strength bolt 5.
As shown in fig. 6, the lining diagonal is set to be an angle steel, and the lining diagonal is set to be a double-limb angle steel lining diagonal 8, namely, two angle steels are arranged, the two angle steels are arranged in a back-to-back manner, the two angle steels are connected through a rigid strength bolt, and the corrugated steel web plate 1 is connected with the double-limb angle steel lining diagonal 8 through a high-strength bolt 5.
As shown in FIG. 7, the lining diagonal rod is set as a T-shaped steel lining diagonal rod 9, and the corrugated steel web plate 1 and the T-shaped steel lining diagonal rod 9 are connected by adopting a high-strength bolt 5.
According to the combined beam bridge structure, the corrugated steel web and the lining diagonal rod are processed in a factory and then transported to a field for installation; simple structure, convenient construction, good durability, great practical significance and economic value.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A corrugated steel web composite beam bridge structure is characterized by comprising a corrugated steel web, wherein a composite beam top plate is arranged at the top of the corrugated steel web, a composite beam bottom plate is arranged at the bottom of the corrugated steel web, a support is erected and supported at the bottom of the composite beam bottom plate, and the composite beam bottom plate and the support supporting part are fulcrums; the side part of the surface of the corrugated steel web plate is provided with a plurality of lining inclined rods at a set distance adjacent to the fulcrum, the lining inclined rods are obliquely arranged, and the lining inclined rods are sequentially arranged in parallel.
2. The composite girder bridge structure according to claim 1, wherein the lining diagonal members are disposed at one side or both sides of the corrugated steel web, and an included angle θ between the lining diagonal members and the composite girder bottom plate is between 40 ° and 60 °.
3. The composite girder bridge structure according to claim 1, wherein the lining diagonal rods are disposed at both ends of the corrugated steel web, and a distance between the top of the lining diagonal rods and the center of the corrugated steel web is smaller than a distance between the bottom of the lining diagonal rods and the center of the corrugated steel web.
4. A composite beam bridge structure according to claim 3, wherein the length a of the lining diagonal member arranged in the longitudinal direction is not less than 1 to 2 times the height h of the composite beam bridge at the fulcrum.
5. The composite girder bridge structure according to claim 1, wherein the lining diagonal rods are disposed at the middle of the corrugated steel web, the lining diagonal rods at the middle are disposed in two groups, and the two groups of lining diagonal rods are symmetrically disposed at both sides of the pivot at the middle of the corrugated steel web.
6. A composite girder bridge structure according to claim 5 wherein the distance between the tops of the two sets of lining diagonal members and the center of the corrugated steel web is greater than the distance between the bottoms of the two sets of lining diagonal members and the center of the corrugated steel web.
7. The composite beam bridge structure according to claim 5, wherein the length a of the longitudinally arranged lining diagonal rods in the middle part is not less than 2-3 times of the height h of the composite beam bridge at the pivot.
8. The composite girder bridge structure according to claim 1, wherein the corrugated steel web and the lining diagonal member are connected by fastening connection members.
9. A composite beam bridge structure according to claim 1, wherein the lining diagonal members are made of channel steel or angle steel or T-section steel.
10. The composite beam bridge structure of claim 1, wherein the corrugated steel web is vertically disposed, and the composite beam top plate and the composite beam bottom plate are horizontally disposed; the corrugated steel web plate is fixedly connected with the top plate and the bottom plate of the composite beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516358.XA CN113174837B (en) | 2021-05-12 | 2021-05-12 | Wave form steel web combination beam bridge structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516358.XA CN113174837B (en) | 2021-05-12 | 2021-05-12 | Wave form steel web combination beam bridge structure |
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| CN113174837A true CN113174837A (en) | 2021-07-27 |
| CN113174837B CN113174837B (en) | 2022-08-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11166206A (en) * | 1997-12-05 | 1999-06-22 | Nippon Kokan Light Steel Kk | Connection structure of corrugated steel plate for bridge |
| CN206529681U (en) * | 2017-01-06 | 2017-09-29 | 四川省交通运输厅公路规划勘察设计研究院 | A kind of setback steel web prestressed concrete continuous beam |
| CN109112946A (en) * | 2018-06-20 | 2019-01-01 | 广西交通科学研究院有限公司 | The construction method of steel truss-Wavelike steel webplate Long span composite beam bridge |
| CN208858052U (en) * | 2018-07-26 | 2019-05-14 | 上海三益建筑设计有限公司 | Honeycomb combination beam |
| CN210151553U (en) * | 2019-05-14 | 2020-03-17 | 山东省路桥集团有限公司 | Open-hole shear key structure for steel web lining concrete |
-
2021
- 2021-05-12 CN CN202110516358.XA patent/CN113174837B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11166206A (en) * | 1997-12-05 | 1999-06-22 | Nippon Kokan Light Steel Kk | Connection structure of corrugated steel plate for bridge |
| CN206529681U (en) * | 2017-01-06 | 2017-09-29 | 四川省交通运输厅公路规划勘察设计研究院 | A kind of setback steel web prestressed concrete continuous beam |
| CN109112946A (en) * | 2018-06-20 | 2019-01-01 | 广西交通科学研究院有限公司 | The construction method of steel truss-Wavelike steel webplate Long span composite beam bridge |
| CN208858052U (en) * | 2018-07-26 | 2019-05-14 | 上海三益建筑设计有限公司 | Honeycomb combination beam |
| CN210151553U (en) * | 2019-05-14 | 2020-03-17 | 山东省路桥集团有限公司 | Open-hole shear key structure for steel web lining concrete |
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| CN113174837B (en) | 2022-08-30 |
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