CN201132929Y - Prestressed concrete continuous beam of box section of large- cantilever arc flange plate - Google Patents
Prestressed concrete continuous beam of box section of large- cantilever arc flange plate Download PDFInfo
- Publication number
- CN201132929Y CN201132929Y CNU2007200884493U CN200720088449U CN201132929Y CN 201132929 Y CN201132929 Y CN 201132929Y CN U2007200884493 U CNU2007200884493 U CN U2007200884493U CN 200720088449 U CN200720088449 U CN 200720088449U CN 201132929 Y CN201132929 Y CN 201132929Y
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- arch
- section
- shaped
- continuous beam
- plate
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Abstract
The utility model relates to a prestressed concrete continuous beam of the box section of the arch-shaped frange plate of a large cantilever, in particular to a prestressed concrete continuous beam of a brand-new structural form. The section of the continuous beam is a central main box composed of an arch-shaped base plate, web plates on both sides and a top plate, and an arch-shaped frange plate supporting the top plate and the top plate form a closed side box. The prestressed concrete continuous beam of the box section of the arch-shaped frange plate of a large cantilever has good stress, convenient construction and good economic benefit, the arch-shaped frange plate of a large cantilever cooperates with a lower smooth pier and an upper arch-shaped railing to form an integrated bridge, and the appearance of the bridge is softer and smoother, thereby obtaining a superb visual effect. The arch-shaped frange plate is adopted as a support to convert the flexural torque generated by the top plate into the pressure of the arch-shaped frange plate below and pass the pressure on to the web plates, thereby increasing the length of the arch-shaped frange plate greatly and enabling the box section of the large cantilever to be possible. The closed section constituted by the arch-shaped frange plates on both sides and the top plate can be regarded as the two small side boxes for the section to be jointly stressed with the central box body, thereby enhancing the torsional performance of the section.
Description
Technical field
The utility model relates to a kind of prestressed concrete continuous beam of brand-new Mechanical Builds.
Background technology
Prestressed concrete continuous beam has that seam is few, the smooth-going advantage such as comfortable of good rigidity, driving.The section form that prestressed concrete continuous beam is commonly used has fin-plate type and box section etc., and box section has good bending resistance and torsional property, and the use of transverse prestress allows adopts big Cantilever Flange Slab to become possibility.Degree of uprising prestressed concrete continuous box girder has preferably span ability, maturation job practices easily, has good economic benefit again simultaneously, becomes the first-selection of bridge type scheme in 30～120m strides the footpath scope.
But the prestressed concrete continuous box girder Mechanical Builds is comparatively simple, especially Urban Bridge to the more and more higher situation of esthetic requirement under, for we the design have higher requirement.
Summary of the invention
The purpose of this utility model is at above-mentioned present situation, aims to provide a kind of stressed good, easy construction, good in economic efficiency, and outward appearance is soft more smooth-going, the prestressed concrete continuous beam of the big cantilever arc shaped wing listrium box section of good visual effect.
The implementation of the utility model purpose is, the prestressed concrete continuous beam of big cantilever arc shaped wing listrium box section, the intermediate host box-shaped is formed by circular arc base plate 2, two coxostermums 3 and top board 1 in its cross section, and the arc shaped wing listrium 4 that top board supports is formed the closed sides case with top board.
The utility model has not only kept stressed good, the easy construction of striding footpath degree of uprising continuous box girder greatly, intrinsic advantage such as good in economic efficiency, on moulding, make a breakthrough simultaneously, the arc shaped wing listrium of big cantilever cooperates the block of wood of bottom slyness and the railing of top arc, full-bridge becomes one, make the bridge outward appearance soft more smooth-going, obtain extraordinary visual effect; Adopt the arc shaped wing listrium to do support, the moment of flexure that top board is produced is converted into the pressure of following arc shaped wing listrium, and is delivered on the web, so just increases the length of arc shaped wing listrium greatly, makes the box section of big cantilever become possibility; The closed section that both sides arc shaped wing listrium and top board are formed can be regarded as two little chests in cross section, and is stressed jointly with middle whole chest, increased the torsional property in cross section.
The utility model is a breakthrough to traditional continuous beam moulding aspect, has not only kept the plurality of advantages such as economical and practical of traditional continuous beam, has increased the landscape effect of bridge simultaneously again, is a good try that adapts in modern society's bridge construction.
Description of drawings
Accompanying drawing is the utility model schematic cross-section
The specific embodiment
With reference to accompanying drawing, the big cantilever arc shaped wing of the utility model listrium box section is formed the intermediate host box-shaped by circular arc base plate 2, two coxostermums 3 and top board 1, and 4 pairs of top boards of arc shaped wing listrium support, and forms the closed sides case with top board simultaneously.
The utility model has not only kept stressed good, the easy construction of striding footpath degree of uprising continuous box girder greatly, intrinsic advantage such as good in economic efficiency, on moulding, make a breakthrough simultaneously, the arc shaped wing listrium of big cantilever cooperates the block of wood of bottom slyness and the railing of top arc, full-bridge becomes one, make the bridge outward appearance soft more smooth-going, obtain extraordinary visual effect; Adopt the arc shaped wing listrium to do support, the moment of flexure that top board is produced is converted into the pressure of following arc shaped wing listrium, and is delivered on the web, so just increases the length of arc shaped wing listrium greatly, makes the box section of big cantilever become possibility; The closed section that both sides arc shaped wing listrium and top board are formed can be regarded as two little chests in cross section, and is stressed jointly with middle whole chest, increased the torsional property in cross section.
Claims (1)
1, the prestressed concrete continuous beam of big cantilever arc shaped wing listrium box section, its section feature is that its cross section forms the intermediate host box-shaped by circular arc base plate (2), two coxostermums (3) and top board (1), and the arc shaped wing listrium (4) that top board supports is formed the closed sides case with top board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200884493U CN201132929Y (en) | 2007-11-26 | 2007-11-26 | Prestressed concrete continuous beam of box section of large- cantilever arc flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200884493U CN201132929Y (en) | 2007-11-26 | 2007-11-26 | Prestressed concrete continuous beam of box section of large- cantilever arc flange plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201132929Y true CN201132929Y (en) | 2008-10-15 |
Family
ID=40061202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200884493U Expired - Fee Related CN201132929Y (en) | 2007-11-26 | 2007-11-26 | Prestressed concrete continuous beam of box section of large- cantilever arc flange plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201132929Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963293A (en) * | 2015-07-22 | 2015-10-07 | 中铁十一局集团桥梁有限公司 | Anchoring method for grouting and anchoring reinforcing steel bar in corrugated pipe to anchor precast segmental beam and parking area stiffening strut |
-
2007
- 2007-11-26 CN CNU2007200884493U patent/CN201132929Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963293A (en) * | 2015-07-22 | 2015-10-07 | 中铁十一局集团桥梁有限公司 | Anchoring method for grouting and anchoring reinforcing steel bar in corrugated pipe to anchor precast segmental beam and parking area stiffening strut |
| CN104963293B (en) * | 2015-07-22 | 2016-05-18 | 中铁十一局集团桥梁有限公司 | Prefabricated subsection beam lay-by is put more energy into and is supportted bellows slurry anchor Bar Anchorage method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20141126 |
|
| EXPY | Termination of patent right or utility model |