CN103334373B - A kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace - Google Patents
A kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace Download PDFInfo
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- CN103334373B CN103334373B CN201310302946.9A CN201310302946A CN103334373B CN 103334373 B CN103334373 B CN 103334373B CN 201310302946 A CN201310302946 A CN 201310302946A CN 103334373 B CN103334373 B CN 103334373B
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- buckling restrained
- arch
- bridge
- restrained brace
- girder
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Abstract
The invention discloses a kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace, comprising: girder, bridge pier, for connecting arch rib and the traditional stull for being connected adjacent arch rib and the buckling restrained brace of girder and bridge pier; Girder is fixed on above bridge pier by arch rib; Be connected by suspension rod between girder with arch rib; Arch rib quantity is no less than 2, and relative to girder bridge floor cross direction profiles; Buckling restrained brace is fixed on often between adjacent two arch ribs, and is laterally fixing relative to bridge floor; The present invention of technique scheme is adopted to make full use of buckling restrained brace intensity by the ribbed arch bridge Horizontal Seismic new system of buckling restrained brace high, rigidity is large, the feature of hysteretic energy superior performance, overcome traditional system and flexing unstability easily occurs, cause the shortcoming of intensity waste, thus meet earthquake resistant code requirement.
Description
Technical field
The present invention relates to bridge construction, particularly a kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace.
Background technology
Tradition ribbed arch system is under horizontal severe earthquake action, because the rigidity of Local Members (stull) is large, be easy to cracking and flexing unstable failure, lateral connection system is impaired, the direction across bridge rigidity of arch ring is weakened, and its rigidity and bearing capacity sharply reduce, and cause arch bridge overall structure to be damaged, and repair difficulty, cause great potential safety hazard and economic loss.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace.
For reaching above object, be achieved through the following technical solutions:
Containing the ribbed arch bridge Horizontal Seismic new structural system of buckling restrained brace, comprising: girder, bridge pier, for connecting girder and the arch rib of bridge pier and the buckling restrained brace for being connected adjacent arch rib; Girder is fixed on above bridge pier by arch rib; Be connected by suspension rod between girder with arch rib; Arch rib quantity is no less than 2, and relative to girder bridge floor cross direction profiles; Buckling restrained brace is fixed on often between adjacent two arch ribs, and is laterally fixing relative to bridge floor;
Adopt the rib structure of " one " word buckling restrained brace, namely traditional stull and girder bridge floor be arranged in parallel, are vertically fixed between adjacent two arch ribs; In the clinodiagonal of buckling restrained brace lateral connection and adjacent two traditional stulls;
The diagonal brace of word braced structures that buckling restrained brace also can be " K ", namely comprises: two traditional stulls and two buckling restrained braces are as diagonal brace; Tradition stull and girder bridge floor be arranged in parallel, are vertically fixed between adjacent two arch ribs; Two diagonal braces are with traditional stull longitudinal centre line for line of symmetry is symmetrical, and namely two diagonal brace one end are separately fixed at the junction with adjacent traditional stull on two adjacent arch rib relative inner faces, and one end is fixed on traditional stull centerline.
Adopt the present invention of technique scheme first, by installing buckling restrained brace between ribbed arch bridge (comprising reinforced concrete ribbed arch bridge, steel ribbed arch bridge and concrete filled steel tube ribbed arch bridge three class) direction across bridge two arch rib, to strengthen or to replace traditional steel concrete, steel or concrete filled steel tube to support, form a complete Horizontal Seismic bridge construction new system; Secondly, ribbed arch bridge Horizontal Seismic bridge construction new system is equal to traditional arch rib pontic system under static load, and under severe earthquake action, this new system can play its energy-dissipating and shock-absorbing function.
It is high that ribbed arch bridge Horizontal Seismic new system containing buckling restrained brace makes full use of buckling restrained brace intensity, rigidity is large, the feature of hysteretic energy superior performance, overcomes the easy early-age crack of traditional system and easily flexing unstability occurs, and the weakness that power consumption is not enough, thus meet shockproof requirements.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of manual, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
The present invention is totally 2 width accompanying drawings, wherein:
Structural representation when Fig. 1 is buckling restrained brace of the present invention employing " one " word support.
Structural representation when Fig. 2 is buckling restrained brace of the present invention employing " K " word support.
In figure: 1, girder, 2, bridge pier, 3, arch rib, 4, traditional stull, 5, buckling restrained brace, 6, suspension rod.
Detailed description of the invention
A kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace as shown in Figure 1, is characterized in that: comprise girder 1, bridge pier 2, for connecting girder 1 and the arch rib 3 of bridge pier 2 and the buckling restrained brace 4 for being connected adjacent arch rib 3; Girder 1 is fixed on above bridge pier 2 by arch rib 3; Be connected by suspension rod 6 between girder 1 with arch rib 3; Arch rib 3 quantity is no less than 2, and relative to girder Bridge 1 face cross direction profiles; Buckling restrained brace 5 is fixed on often between adjacent two arch ribs 3, and is laterally fixing relative to bridge floor;
Adopt the present invention of technique scheme first, by installing buckling restrained brace 5 between ribbed arch bridge (comprising reinforced concrete ribbed arch bridge, steel ribbed arch bridge and concrete filled steel tube ribbed arch bridge three class) cross-bridges two arch rib 1, to replace traditional steel concrete, steel or concrete filled steel tube to support, form a complete Horizontal Seismic bridge construction new system;
Secondly, ribbed arch bridge Horizontal Seismic bridge construction new system is equal to traditional arch rib pontic system under static load, and under severe earthquake action, this new system can play its energy-dissipating and shock-absorbing function;
3rd, this new technology is used for the seismic design of newly-built ribbed arch bridge and the seismic hardening of existing ribbed arch bridge.
The buckling restrained brace 5 of said structure, for improving the horizontal and overall anti-seismic performance of ribbed arch bridge, is arranged between direction across bridge two panels arch rib 3; Buckling restrained brace 5 has the mechanical characteristic of power consumption and not unstability, and the difference according to buckling restrained brace 5 arrangement is divided into two types:
1, a word support: the rib structure adopting " one " word buckling restrained brace 5, namely traditional stull 4 be arranged in parallel with bridge floor, is vertically fixed between adjacent two arch ribs 3; Buckling restrained brace 5 is laterally connected in the clinodiagonal of adjacent two traditional stulls 4, as shown in Figure 1;
2, K word support: buckling restrained brace 5 also can be the diagonal brace of " K " word braced structures, namely comprises: two traditional stulls 4 and two buckling restrained braces 5 are as diagonal brace; Tradition stull 4 be arranged in parallel with bridge floor, is vertically fixed between adjacent two arch ribs 3; Two diagonal braces are with traditional stull 4 longitudinal centre line for line of symmetry is symmetrical, and namely two diagonal brace one end are fixed on traditional stull 4 centerline, and one end is separately fixed at the junction of two adjacent arch ribs 3 and adjacent traditional stull 4, as shown in Figure 2.
The connected mode of buckling restrained brace 5 and arch rib 3 and traditional stull 4 is different because object (newly-built ribbed arch bridge and existing ribbed arch bridge) is different:
1, for newly-built ribbed arch bridge, it is characterized in that first at arch rib 3 and traditional stull 4 place set aside pre-embedded part, then by high-strength bolt, weld buckling restrained brace 5 be connected with built-in fitting, ensure that it slippage does not occur under rarely occurred earthquake.
2, for existing ribbed arch bridge, it is characterized in that first at existing arch rib 3 and traditional stull 4 place installation connecting element, then by high-strength bolt, weld buckling restrained brace 5 be connected with connector, ensure that it slippage does not occur under rarely occurred earthquake.
Adopt the ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace proposed, make full use of buckling restrained brace intensity high, rigidity is large, the feature of hysteretic energy superior performance, overcome traditional system earthquake and flexing unstability easily occurs, and the shortcoming that energy dissipation capacity is weak, thus meet shockproof requirements.Effectively can improve transverse direction and the integral bridge shock resistance of Ribbed Arch Structure, reach the purpose of design that comparatively light in the damage of large earthquake centre, satisfied emergent operation maybe can be repaiied.The present invention can be used for newly-built ribbed arch bridge seismic design or existing ribbed arch bridge seismic hardening.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art are not departing within the scope of technical solution of the present invention, when the technology contents that appeal can be utilized to disclose is made a little change or is modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1., containing the ribbed arch bridge Horizontal Seismic new structural system of buckling restrained brace, it is characterized in that: comprise girder (1), bridge pier (2), for connecting arch rib (3) and the traditional stull (4) for being connected adjacent arch rib (3) and the buckling restrained brace (5) of girder (1) and bridge pier (2); Described girder (1) is fixed on bridge pier (2) top by arch rib (3); Be connected by suspension rod (6) between described girder (1) with arch rib (3); Described arch rib (3) quantity is no less than 2, and relative to girder (1) bridge floor genesis analysis; Described buckling restrained brace (5) is fixed on often between adjacent two arch ribs (3), and is laterally fixing relative to bridge floor.
2. a kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace according to claim 1, it is characterized in that: described buckling restrained brace (5) is " one " word braced structures, tradition stull (4) and girder (1) bridge floor be arranged in parallel, vertically be fixed between adjacent two arch ribs (3), buckling restrained brace (5) is laterally connected in the clinodiagonal of adjacent two traditional stulls (4).
3. a kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace according to claim 1, it is characterized in that: described buckling restrained brace (5) also can be the diagonal brace of " K " word braced structures, namely comprises: two traditional stulls (4) and two buckling restrained braces (5) are as diagonal brace; Tradition stull (4) and girder bridge floor be arranged in parallel, are vertically fixed between adjacent two arch ribs (3); Two diagonal braces are that line of symmetry is symmetrical with traditional stull (4) longitudinal centre line, and namely two diagonal brace one end are fixed on traditional stull (4) centerline, and one end is separately fixed at the junction of two adjacent arch ribs (3) and adjacent traditional stull (4).
4. a kind of its mounting method of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace according to claim 1 is: for the connected mode of buckling restrained brace (5) and arch rib (3) and traditional stull (4), different because the newly-built ribbed arch bridge of object is different with existing ribbed arch bridge:
For newly-built ribbed arch bridge, first at arch rib (3) and traditional stull (4) place set aside pre-embedded part, then by high-strength bolt, weld buckling restrained brace (5) be connected with built-in fitting, ensure that it slippage does not occur under rarely occurred earthquake;
For existing ribbed arch bridge, first at existing arch rib (3) and traditional stull (4) place installation connecting element, then by high-strength bolt, weld buckling restrained brace (5) be connected with connector, ensure that it slippage does not occur under rarely occurred earthquake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302946.9A CN103334373B (en) | 2013-07-17 | 2013-07-17 | A kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302946.9A CN103334373B (en) | 2013-07-17 | 2013-07-17 | A kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace |
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| Publication Number | Publication Date |
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| CN103334373A CN103334373A (en) | 2013-10-02 |
| CN103334373B true CN103334373B (en) | 2015-10-28 |
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| CN201310302946.9A Expired - Fee Related CN103334373B (en) | 2013-07-17 | 2013-07-17 | A kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284097B (en) * | 2016-09-28 | 2017-11-07 | 中铁六局集团有限公司 | The installation method that pier K is supportted on a kind of tubular arch bridge arch |
| CN106835955A (en) * | 2017-03-27 | 2017-06-13 | 中铁二院工程集团有限责任公司 | Steel K supports hollow concrete columnar pier |
| CN108842596A (en) * | 2018-07-18 | 2018-11-20 | 广西大学 | Mix arched bridge pre-stressed boom |
| CN109281307A (en) * | 2018-11-10 | 2019-01-29 | 重庆大学 | A kind of offshore jacket platforms anti-seismic structure new system containing buckling restrained brace |
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| JP2002146719A (en) * | 2000-11-14 | 2002-05-22 | Chiyoda Engineering Consultants Co Ltd | Continuous concrete arch construction for viaduct |
| CN101016725A (en) * | 2007-02-15 | 2007-08-15 | 四川省交通厅公路规划勘察设计研究院 | Bridge |
| CN202007377U (en) * | 2011-03-09 | 2011-10-12 | 佛山市禅城区裕骏五金制品厂 | Approach bridge |
| JP2011220100A (en) * | 2010-03-24 | 2011-11-04 | Toda Constr Co Ltd | Solid viaduct structure and construction method of the same |
| CN102797218A (en) * | 2012-08-22 | 2012-11-28 | 中铁二院工程集团有限责任公司 | Large-span railway desk type concrete arch bridge structure |
| CN203346779U (en) * | 2013-07-17 | 2013-12-18 | 大连海事大学 | Novel rib arch bridge transverse aseismic structure system with buckling restrained braces |
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2013
- 2013-07-17 CN CN201310302946.9A patent/CN103334373B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146719A (en) * | 2000-11-14 | 2002-05-22 | Chiyoda Engineering Consultants Co Ltd | Continuous concrete arch construction for viaduct |
| CN101016725A (en) * | 2007-02-15 | 2007-08-15 | 四川省交通厅公路规划勘察设计研究院 | Bridge |
| JP2011220100A (en) * | 2010-03-24 | 2011-11-04 | Toda Constr Co Ltd | Solid viaduct structure and construction method of the same |
| CN202007377U (en) * | 2011-03-09 | 2011-10-12 | 佛山市禅城区裕骏五金制品厂 | Approach bridge |
| CN102797218A (en) * | 2012-08-22 | 2012-11-28 | 中铁二院工程集团有限责任公司 | Large-span railway desk type concrete arch bridge structure |
| CN203346779U (en) * | 2013-07-17 | 2013-12-18 | 大连海事大学 | Novel rib arch bridge transverse aseismic structure system with buckling restrained braces |
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| CN103334373A (en) | 2013-10-02 |
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