CN204238122U - The two-tube chord member of Wavelike steel webplate and concrete slab continuous girder bridge structure - Google Patents
The two-tube chord member of Wavelike steel webplate and concrete slab continuous girder bridge structure Download PDFInfo
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- CN204238122U CN204238122U CN201420666088.6U CN201420666088U CN204238122U CN 204238122 U CN204238122 U CN 204238122U CN 201420666088 U CN201420666088 U CN 201420666088U CN 204238122 U CN204238122 U CN 204238122U
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Abstract
The utility model discloses the two-tube chord member of a kind of Wavelike steel webplate and concrete slab tie-beam bridge construction, comprise concrete roof, the Wavelike steel webplate be connected with concrete roof, described Wavelike steel webplate is connected with two lower edge steel pipe, is connected with corrugated sheet steel between two lower edge steel pipe; Described Wavelike steel webplate is connected by shear connector with between concrete roof.The application of the utility model Wavelike steel webplate alleviates girder deadweight, improves workability; Adopt two-tube chord member form, avoid concrete floor problem of Cracking, lower edge steel pipe provides constraint to improve anti-pressure ability for inner lining concrete, Wavelike steel webplate directly welds with lower chord tube, eliminates connector and arranges, avoid connecting portion concrete vibrating construction quality problem, corrugated sheet is adopted directly to weld between two-tube, replace double-layer plate, decrease weld seam, improve the durability of structure, simultaneously compared to plain plate, the anti-flexion capabilities of corrugated sheet is higher, saves material, improves structural performance.
Description
Technical field
The utility model belongs to Wavelike steel webplate technical field, relates to the form of structure of two-tube chord member-concrete slab combination continuous beam.
Background technology
Along with the continuous progress and development of society, the especially develop rapidly of transportation, what allow the go off daily of people become is very convenient; But, along with popularizing of the vehicles, be also growing with each passing day for demands such as traffic route bridges, especially in the area that some population density are larger, the serious quality of life having had influence on people of traffic congestion and constrain urban development, improves traffic, becomes the most important thing.Along with the continuous progress of road and bridge construction technique, and more and more higher to the requirement of environment, and combining structure beam bridge, has become a part indispensable in bridge construction, and therefore Wavelike steel webplate bridge also arises at the historic moment.
Pre-Stressed Concrete Composite Box-Girder Bridge with Corrugated Steel Webs is conventional P C box girder bridge comparatively, not only alleviates girder deadweight, improves structural performance, and improve prestressing force efficiency, reduce construction costs.And traditional Wavelike steel webplate needs to set up the temporary fixed steel web of support when concreting base plate, site operation difficulty is comparatively large, and web and chassis connection sections divide casting space limited simultaneously, is difficult to ensure concrete pouring quality.Adopt the del structure self stability of single lower chord steel pipe poor, operating space is limited, and be not too applicable to the bridge of Long span or wide bridge floor, two-layered steel plates is adopted to connect in the middle of the two-tube chord member of traditional dumbbells type, add welding job amount, it is unfavorable that the increasing of weld seam bears fatigue stress to structure, and reduce the fatigue durability of component and the durability of structure, the anti-flexion capabilities of plain plate is limited simultaneously.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of change traditional double chord member dumbbell shape structure, adopts the double-layer plate in the middle of the two chord member of Wavelike steel webplate agency to be the two-tube chord member of Wavelike steel webplate of lateral connection and the structure of concrete slab continuous girder bridge.
The purpose of this utility model is achieved in that
The two-tube chord member of Wavelike steel webplate and concrete slab continuous girder bridge structure, comprise concrete roof 1, the Wavelike steel webplate 2 be connected with concrete roof 1, and described Wavelike steel webplate 2 is connected with two lower edge steel pipe 3, is connected with corrugated sheet steel 4 between two lower edge steel pipe 3;
Described Wavelike steel webplate 2 is connected by shear connector with between concrete roof 1;
Be welded to connect between Wavelike steel webplate 2 and two lower edge steel pipe 3;
Corrugated sheet steel 4 adopts corrugated sheet girder steel, welds between both sides with two lower edge steel pipe 3, is filled with concrete in two lower edge steel pipe 3.
positive beneficial effect:the application of the utility model Wavelike steel webplate alleviates girder deadweight, improves structural performance; Adopt two-tube chord member form, avoid concrete floor problem of Cracking, lower edge steel pipe provides constraint to improve anti-pressure ability for inner lining concrete, Wavelike steel webplate directly welds with lower chord tube, eliminates connector and arranges, avoid connecting portion concrete vibrating construction quality problem, corrugated sheet is adopted directly to weld between two-tube, replace double-layer plate, decrease weld seam, improve the durability of structure, simultaneously compared to plain plate, the anti-flexion capabilities of corrugated sheet is higher, saves material, improves structural performance.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model;
Fig. 2 is structural representation two of the present utility model;
Fig. 3 is structural representation three of the present utility model;
In figure be: concrete roof 1, Wavelike steel webplate 2, two lower edge steel pipe 3, corrugated sheet steel 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, Figure 2, the two-tube chord member of Fig. 3 Wavelike steel webplate and concrete slab tie-beam bridge construction, comprise concrete roof 1, the Wavelike steel webplate 2 be connected with concrete roof 1, described Wavelike steel webplate 2 is connected with two lower edge steel pipe 3, is connected with corrugated sheet steel 4 between two lower edge steel pipe 3;
Described Wavelike steel webplate 2 is connected by shear connector with between concrete roof 1;
Be welded to connect between Wavelike steel webplate 2 and two lower edge steel pipe 3;
Corrugated sheet steel 4 adopts corrugated sheet girder steel, and both sides are welded with two rolling off the production line between steel pipe 3, replaces the double-layer plate between dumbbell structure, decreases weld seam and decreases on-the-spot welding job amount; Concrete is filled with in two lower chord tube steel pipe 3.
The application of the utility model Wavelike steel webplate alleviates girder deadweight, improves structural performance; Adopt two-tube chord member form, avoid concrete floor problem of Cracking, lower edge steel pipe provides constraint to improve anti-pressure ability for inner lining concrete, Wavelike steel webplate directly welds with lower chord tube, eliminates connector and arranges, avoid connecting portion concrete vibrating construction quality problem, corrugated sheet is adopted directly to weld between two-tube, replace double-layer plate, decrease weld seam, improve the durability of structure, simultaneously compared to plain plate, the anti-flexion capabilities of corrugated sheet is higher, saves material, improves structural performance.
Above case study on implementation is only for illustration of preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken that described exercising ordinary skill possesses; the any amendment done within spirit of the present utility model and principle, equivalently to substitute and improvement etc., the protection domain of the application all should be considered as.
Claims (4)
1. the two-tube chord member of Wavelike steel webplate and concrete slab tie-beam bridge construction, comprise concrete roof (1), the Wavelike steel webplate (2) be connected with concrete roof (1), it is characterized in that: described Wavelike steel webplate (2) is connected with two lower edge steel pipe (3), is connected with corrugated sheet steel (4) between two lower edge steel pipe (3).
2. the two-tube chord member of Wavelike steel webplate according to claim 1 and concrete slab tie-beam bridge construction, is characterized in that: described Wavelike steel webplate (2) is connected by shear connector with between concrete roof (1).
3. the two-tube chord member of Wavelike steel webplate according to claim 1 and concrete slab tie-beam bridge construction, is characterized in that: be welded to connect between described Wavelike steel webplate (2) and two lower edge steel pipe (3).
4. the two-tube chord member of Wavelike steel webplate according to claim 1 and concrete slab tie-beam bridge construction, it is characterized in that: described corrugated sheet steel (4) adopts corrugated sheet girder steel, both sides are welded with two rolling off the production line between steel pipe (3), are filled with concrete in two lower chord tube steel pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420666088.6U CN204238122U (en) | 2014-11-10 | 2014-11-10 | The two-tube chord member of Wavelike steel webplate and concrete slab continuous girder bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420666088.6U CN204238122U (en) | 2014-11-10 | 2014-11-10 | The two-tube chord member of Wavelike steel webplate and concrete slab continuous girder bridge structure |
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| Publication Number | Publication Date |
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| CN204238122U true CN204238122U (en) | 2015-04-01 |
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| CN201420666088.6U Active CN204238122U (en) | 2014-11-10 | 2014-11-10 | The two-tube chord member of Wavelike steel webplate and concrete slab continuous girder bridge structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137712A (en) * | 2018-11-07 | 2019-01-04 | 深圳市市政设计研究院有限公司 | A kind of Dual-layer cell compartment combination folding abdomen box beam |
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2014
- 2014-11-10 CN CN201420666088.6U patent/CN204238122U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137712A (en) * | 2018-11-07 | 2019-01-04 | 深圳市市政设计研究院有限公司 | A kind of Dual-layer cell compartment combination folding abdomen box beam |
| CN109137712B (en) * | 2018-11-07 | 2023-11-24 | 深圳市市政设计研究院有限公司 | Upper and lower double-layer cell combined abdomen folding box girder |
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Effective date of registration: 20180918 Granted publication date: 20150401 |
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