CN103243638B - Bridge space radioactive concrete-filled steel tube bridge pier and construction method thereof - Google Patents
Bridge space radioactive concrete-filled steel tube bridge pier and construction method thereof Download PDFInfo
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- CN103243638B CN103243638B CN201310156374.8A CN201310156374A CN103243638B CN 103243638 B CN103243638 B CN 103243638B CN 201310156374 A CN201310156374 A CN 201310156374A CN 103243638 B CN103243638 B CN 103243638B
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Abstract
A bridge space radioactive concrete-filled steel tube bridge pier comprises a flange, a plurality of bridge pier bottom stiffening plates, four bridge pier support beams, six tie beam stiffening plates, four pier top anchor plates and a plurality of tie beam stiffening plates. Four mounting positions in even distribution along the circumferential direction are reserved on the top surface of the flange; bottom walls of the four bridge pier support beams are mounted at the four mounting positions on the flange respectively; a tapered space is formed by encircling of the four bridge pier support beams, and the cross section of the tapered space is decreased gradually from top to bottom; one pier top anchor plate is mounted on the top wall of each bridge pier support beam; and a plurality of anchor bolt preformed holes in even distribution are reserved on each pier top anchor plate. A pile foundation of the bridge pier is centralized blow a bearing platform, and occupied urban space is small. Formwork-free pouring of bridge pier concrete pouring is achieved, and the bridge pier is convenient and efficient to construct, safe and rapid, excellent in structural behavior of rod pieces, higher in rigidity of a main beam, good in stability and the like. The invention further relates to a construction method of the bridge space radioactive concrete-filled steel tube bridge pier.
Description
Technical field
The present invention relates to a kind of bridge space radioactivity concrete pier of steel tube and construction method thereof.
Background technology
Traditional Reinforced Concrete Bridge has draws materials easily, rationally uses that material, durability and refractoriness are good, cost is lower, not easily corrosion, the advantages such as maintenance cost is few, but there is dead load and greatly, easily produce that crack, crack resistance are poor, the shortcoming of heat-and sound-insulating weak effect.It is large that reinforced concrete bridge pier takies urban space in the landform of the many cars of complexity, and constructional difficulties, long construction period, span ability are limited.
Purlin and the pier in current bridge field, especially steel purlin abdomen field are generally separate type, and centre is transmitted stressed by base plate, this mode Problems existing is as follows: 1, between purlin and pier, bottom slab stress is indefinite, and power transmission is complicated, stress raisers; 2, between purlin-pier, concrete slab shear-carrying capacity is little, and anti-fatigue performance is poor; 3, integral rigidity is poor.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of bridge space radioactivity concrete pier of steel tube and construction method thereof, uniform force, good stability, and shear-carrying capacity is large, and anti-fatigue performance is good, and integral rigidity is high.
For achieving the above object, the present invention adopts following technical scheme:
A kind of bridge space radioactivity concrete pier of steel tube, it comprises stiffener at the bottom of a flange, some bridge piers, four bridge pier brace summers, six connection beam, four pier top anchor slabs and some connection beam stiffeners;
The end face of flange is provided with four along the circumferential direction equally distributed installation positions; The diapire of four bridge pier brace summers is installed on four installation positions on flange respectively; Four bridge pier brace summers surround a cone space, and the cross section of this cone space diminishes from top to bottom gradually;
The roof of each bridge pier brace summer is provided with pier top anchor slab, and each pier top anchor slab offers some equally distributed crab-bolt preformed holes.
Stiffener at the bottom of some along the circumferential direction evenly distributed bridge piers is welded between the lower end of each bridge pier brace summer and the end face of flange.
Weld a connection beam between the upper end of two often adjacent bridge pier brace summers, between the upper end of cornerwise every two bridge pier brace summers, weld a connection beam, six connection beam are all positioned in same level; At least two connection beam stiffeners are welded with between the upper end of each bridge pier brace summer and connection beam.
Concrete has been built in each bridge pier brace summer.
A kind of bridge space radioactivity concrete pier of steel tube construction method, it comprises the following steps:
Steps A: establish four along the circumferential direction equally distributed installation positions at the end face of flange;
Step B: the diapire of four bridge pier brace summers is installed on respectively on four installation positions on flange; Four bridge pier brace summers surround a cone space, and the cross section of this cone space diminishes from top to bottom gradually;
Step C: weld stiffener at the bottom of some along the circumferential direction evenly distributed bridge piers between the lower end and the end face of flange of each bridge pier brace summer;
Step D: weld a connection beam between the upper end of two often adjacent bridge pier brace summers, welds a connection beam between the upper end at cornerwise every two bridge pier brace summers; Six connection beam are all positioned in same level;
Step e: the upper end of each bridge pier brace summer with weld at least two connection beam stiffeners between connection beam;
Step F: concreting in each bridge pier brace summer;
Step G: be provided with pier top anchor slab at the roof of each bridge pier brace summer, offers some equally distributed crab-bolt preformed holes at each pier top anchor slab;
Step H: be welded on the anchor slab of pier top the lower end of steel purlin abdomen, makes steel purlin abdomen and corresponding bridge pier brace summer coaxial line, between pier top anchor slab and bridge pier brace summer and between pier top anchor slab and steel purlin abdomen, installs pier top stiffener;
Step I: build underplate concrete.
Beneficial effect of the present invention is as follows:
The pile foundation of foregoing invention concentrates on below place's cushion cap, takies urban space little, saves urban land, and minimizing pipeline moves and changes, and construction safety is quick.Build bridge pier concrete to realize building without template, accurate positioning, easy construction is efficient, safe and efficient.Space radioactive concrete pier of steel tube each rod member stress performance is superior, improves the rigidity of girder, good stability etc.In addition, node of the present invention is monolithic, and integral rigidity is good, uniform force, does not have the problem that stress is concentrated.PBL key shear-carrying capacity is large, and anti-fatigue performance is good.Plastic simplicity is attractive in appearance.Moreover, steel purlin abdomen and corresponding bridge pier brace summer coaxial line, thus the support force that bridge pier brace summer is produced all acts on corresponding steel purlin abdomen, improves the steadiness of Bridge Joints, optimizes distribution of force.
Accompanying drawing explanation
Fig. 1 is the stereogram of the better embodiment of bridge space radioactivity concrete pier of steel tube of the present invention.
Fig. 2 is the top view of the bridge space radioactivity concrete pier of steel tube of Fig. 1.
Fig. 3 is the elevation of the bridge space radioactivity concrete pier of steel tube of Fig. 1.
Fig. 4 is the schematic diagram that the bridge space radioactivity concrete pier of steel tube of Fig. 1 is applied to node and builds.
Fig. 5 is the enlarged drawing of II part in Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Refer to Fig. 1 to Fig. 5, the present invention relates to a kind of bridge space radioactivity concrete pier of steel tube, its better embodiment comprises stiffener 3, four bridge pier brace summer 2, six connection beam 4, four pier top anchor slab 5 and some connection beam stiffeners 6 at the bottom of a flange 1, some bridge piers.
The end face of flange 1 is provided with four along the circumferential direction equally distributed installation positions.
The diapire of four bridge pier brace summers 2 is installed on four installation positions on flange 1 respectively, welds stiffener 3 at the bottom of some along the circumferential direction evenly distributed bridge piers between the lower end of each bridge pier brace summer 2 and the end face of flange 1.Four bridge pier brace summers 2 surround a cone space, and the cross section of this cone space diminishes from top to bottom gradually.
Weld a connection beam 4 between the upper end of two often adjacent bridge pier brace summers 2, between the upper end of cornerwise every two bridge pier brace summers 2, weld connection beam 4, six connection beam 4 be all positioned in same level.At least two connection beam stiffeners 6 are welded with between the upper end of each bridge pier brace summer 2 and connection beam 4.Concrete has been built in each bridge pier brace summer 2.
The roof of each bridge pier brace summer 2 is provided with pier top anchor slab 5, and each pier top anchor slab 5 offers some equally distributed crab-bolt preformed holes 7, with the base plate facilitating pier top anchor slab 5 to be installed on girder.
The invention still further relates to a kind of bridge space radioactivity concrete pier of steel tube construction method, it comprises the following steps:
Steps A: establish four along the circumferential direction equally distributed installation positions at the end face of flange 1.
Step B: the diapire of four bridge pier brace summers 2 is installed on respectively on four installation positions on flange 1; Four bridge pier brace summers 2 surround a cone space, and the cross section of this cone space diminishes from top to bottom gradually.
Step C: weld stiffener 3 at the bottom of some along the circumferential direction evenly distributed bridge piers between the lower end of each bridge pier brace summer 2 and the end face of flange 1.
Step D: weld a connection beam 4 between the upper end of two often adjacent bridge pier brace summers 2, welds a connection beam 4 between the upper end at cornerwise every two bridge pier brace summers 2; Six connection beam 4 are all positioned in same level
Step e: weld at least two connection beam stiffeners 6 between the upper end of each bridge pier brace summer 2 with connection beam 4.
Step F: concreting in each bridge pier brace summer 2.
Step G: install pier top anchor slab 5 at the roof of each bridge pier brace summer 2, offer some equally distributed crab-bolt preformed holes 7 at each pier top anchor slab 5.
Step H: the lower end of steel purlin abdomen 8 is welded on pier top anchor slab 5, make steel purlin abdomen 8 and corresponding bridge pier brace summer 2 coaxial line, thus the support force making bridge pier brace summer 2 produce all acts on corresponding steel purlin abdomen 8, improves the steadiness of Bridge Joints, optimizes distribution of force.Between pier top anchor slab 5 and bridge pier brace summer 2 and between pier top anchor slab 5 and steel purlin abdomen 8, pier top stiffener 11 is installed.
Step I: build underplate concrete 10, to make strong bonded between pier top anchor slab 5 and steel purlin abdomen 8.
The pile foundation of foregoing invention concentrates on below place's cushion cap, takies urban space little, saves urban land, and minimizing pipeline moves and changes, and construction safety is quick.Build bridge pier concrete to realize building without template, accurate positioning, easy construction is efficient, safe and efficient.Space radioactive concrete pier of steel tube each rod member stress performance is superior, improves the rigidity of girder, good stability etc.In addition, node of the present invention is monolithic, and integral rigidity is good, uniform force, does not have the problem that stress is concentrated.PBL key shear-carrying capacity is large, and anti-fatigue performance is good.Plastic simplicity is attractive in appearance.Moreover, steel purlin abdomen 8 and corresponding bridge pier brace summer 2 coaxial line, thus the support force that bridge pier brace summer 2 is produced all acts on corresponding steel purlin abdomen 8, improves the steadiness of Bridge Joints, optimizes distribution of force.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.
Claims (3)
1. a bridge space radioactivity concrete pier of steel tube, is characterized in that: it comprises stiffener at the bottom of a flange, some bridge piers, four bridge pier brace summers, six connection beam, four pier top anchor slabs and some connection beam stiffeners;
The end face of flange is provided with four along the circumferential direction equally distributed installation positions; The diapire of four bridge pier brace summers is installed on four installation positions on flange respectively; Four bridge pier brace summers surround a cone space, and the cross section of this cone space diminishes from top to bottom gradually;
The roof of each bridge pier brace summer is provided with pier top anchor slab, and each pier top anchor slab offers some equally distributed crab-bolt preformed holes;
Stiffener at the bottom of some along the circumferential direction evenly distributed bridge piers is welded between the lower end of each bridge pier brace summer and the end face of flange;
Weld a connection beam between the upper end of two often adjacent bridge pier brace summers, between the upper end of cornerwise every two bridge pier brace summers, weld a connection beam, six connection beam are all positioned in same level; At least two connection beam stiffeners are welded with between the upper end of each bridge pier brace summer and connection beam.
2. bridge space radioactivity concrete pier of steel tube as claimed in claim 1, is characterized in that: built concrete in each bridge pier brace summer.
3. a bridge space radioactivity concrete pier of steel tube construction method, is characterized in that: it comprises the following steps:
Steps A: establish four along the circumferential direction equally distributed installation positions at the end face of flange;
Step B: the diapire of four bridge pier brace summers is installed on respectively on four installation positions on flange; Four bridge pier brace summers surround a cone space, and the cross section of this cone space diminishes from top to bottom gradually;
Step C: weld stiffener at the bottom of some along the circumferential direction evenly distributed bridge piers between the lower end and the end face of flange of each bridge pier brace summer;
Step D: weld a connection beam between the upper end of two often adjacent bridge pier brace summers, welds a connection beam between the upper end at cornerwise every two bridge pier brace summers; Six connection beam are all positioned in same level;
Step e: the upper end of each bridge pier brace summer with weld at least two connection beam stiffeners between connection beam;
Step F: concreting in each bridge pier brace summer;
Step G: install pier top anchor slab at the roof of each bridge pier brace summer, offer some equally distributed crab-bolt preformed holes at each pier top anchor slab;
Step H: be welded on the anchor slab of pier top the lower end of steel purlin abdomen, makes steel purlin abdomen and corresponding bridge pier brace summer coaxial line, between pier top anchor slab and bridge pier brace summer and between pier top anchor slab and steel purlin abdomen, installs pier top stiffener;
Step I: build underplate concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310156374.8A CN103243638B (en) | 2013-04-28 | 2013-04-28 | Bridge space radioactive concrete-filled steel tube bridge pier and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310156374.8A CN103243638B (en) | 2013-04-28 | 2013-04-28 | Bridge space radioactive concrete-filled steel tube bridge pier and construction method thereof |
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| CN103243638A CN103243638A (en) | 2013-08-14 |
| CN103243638B true CN103243638B (en) | 2015-05-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104278621B (en) * | 2014-10-20 | 2017-03-15 | 广西交通科学研究院 | Pin-connected panel regenerates concrete filled steel tube Y type bridge piers |
| CN105780639A (en) * | 2014-12-15 | 2016-07-20 | 任丘市永基建筑安装工程有限公司 | Connection method for deck supporting parts of urban steel arc bridge |
| CN104929316B (en) * | 2015-06-19 | 2017-03-08 | 重庆中设工程设计股份有限公司 | A kind of cement concrete pillar and its construction method |
| CN106758788B (en) * | 2016-12-26 | 2019-05-03 | 广东省交通规划设计研究院股份有限公司 | A kind of spandrel frame bridge pier |
| CN109518593A (en) * | 2018-11-14 | 2019-03-26 | 安徽省交通规划设计研究总院股份有限公司 | Assembly concrete-filled steel tube lattice pier |
| CN113585051B (en) * | 2020-04-30 | 2023-04-07 | 比亚迪股份有限公司 | Bridge pier and manufacturing method thereof |
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| US4282619A (en) * | 1979-11-16 | 1981-08-11 | Havens Steel Company | Truss structure |
| FR2547844A1 (en) * | 1983-06-24 | 1984-12-28 | Lascar Jean Louis | Bridges with cross-linked (reticulate, lozenged) bearing structure made of steel profiled sections or tubes |
| FR2548236A2 (en) * | 1983-06-24 | 1985-01-04 | Lascar Jean Louis | Bridges with cross-linked (reticulate, lozenged) bearing structure made of steel profiled sections assembled using assembly intersection units |
| KR20110041146A (en) * | 2009-10-15 | 2011-04-21 | (주)대우건설 | Method for constructing continuous filled steel tube girder bridge |
| CN102758401A (en) * | 2011-04-28 | 2012-10-31 | 上海千年城市规划工程设计股份有限公司 | Crotch-shaped bridge pier structure |
| CN203174494U (en) * | 2013-04-28 | 2013-09-04 | 李勇 | Space radioactive concrete-filled steel tube pier of bridge |
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2013
- 2013-04-28 CN CN201310156374.8A patent/CN103243638B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4282619A (en) * | 1979-11-16 | 1981-08-11 | Havens Steel Company | Truss structure |
| FR2547844A1 (en) * | 1983-06-24 | 1984-12-28 | Lascar Jean Louis | Bridges with cross-linked (reticulate, lozenged) bearing structure made of steel profiled sections or tubes |
| FR2548236A2 (en) * | 1983-06-24 | 1985-01-04 | Lascar Jean Louis | Bridges with cross-linked (reticulate, lozenged) bearing structure made of steel profiled sections assembled using assembly intersection units |
| KR20110041146A (en) * | 2009-10-15 | 2011-04-21 | (주)대우건설 | Method for constructing continuous filled steel tube girder bridge |
| CN102758401A (en) * | 2011-04-28 | 2012-10-31 | 上海千年城市规划工程设计股份有限公司 | Crotch-shaped bridge pier structure |
| CN203174494U (en) * | 2013-04-28 | 2013-09-04 | 李勇 | Space radioactive concrete-filled steel tube pier of bridge |
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| 奉干公路浦南运河桥设计;黄东;《城市道桥与防洪》;20120630(第6期);第90-92页 * |
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| CN103243638A (en) | 2013-08-14 |
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| CB03 | Change of inventor or designer information |
Inventor after: Li Yong Inventor after: Cao Luojin Inventor after: Liu Nianqin Inventor after: Huang Linchong Inventor after: Zhou Jinyu Inventor after: Wang Xu Inventor before: Li Yong Inventor before: Liu Nianqin Inventor before: Peng Yuefei Inventor before: Li Min Inventor before: Li Hai Inventor before: Shi Ming |
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Effective date of registration: 20170613 Address after: 518036 Guangdong city of Shenzhen province Futian District Meihua Road, building 105, 10 layers of technology from room 1004 (only office) Co-patentee after: Zhaoqing Bridge Design & Research Institute Co., Ltd. Patentee after: Shenzhen Qiaobo Design & Research Institute Co., Ltd. Address before: 518036 Guangdong city of Shenzhen province Futian District Meihua road Duoli Technology Building Room 1003 Patentee before: Li Yong |
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