CN204139054U - Pin-connected panel regeneration concrete filled steel tube Y type bridge pier - Google Patents
Pin-connected panel regeneration concrete filled steel tube Y type bridge pier Download PDFInfo
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- CN204139054U CN204139054U CN201420606439.4U CN201420606439U CN204139054U CN 204139054 U CN204139054 U CN 204139054U CN 201420606439 U CN201420606439 U CN 201420606439U CN 204139054 U CN204139054 U CN 204139054U
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Abstract
The utility model discloses a kind of pin-connected panel regeneration concrete filled steel tube Y type bridge pier, be made up of Y shape steel tube, steel pipe binder and assembled flange welding, bridge pad is placed in Y type bridge pier both arms top; Y shape steel tube is as bridge pier pier shaft, and steel pipe binder is positioned at more than Y shape steel tube crotch and welds with Y shape steel tube two diverging arms, and there is assembled flange Y shape steel tube bottom; Regenerated aggregate concrete is built in Y shape steel tube inside.Pin-connected panel of the present utility model regeneration concrete filled steel tube Y type bridge pier can be applicable in city intersection bridge, saves conventional concrete bridge pier shuttering, the step such as Peng wire-ties, form removal, significantly can improve the speed of application of Y type bridge pier; Meanwhile, the utility model makes regenerated aggregate concrete be applied in bridge engineering, is conducive to applying and construction refuse resource of regeneration concrete, improves economic benefit.
Description
Technical field
The utility model belongs to steel performance and combination construction technical field, relates to steel pipe concrete profiled bridge pier, especially a kind of pin-connected panel regeneration concrete filled steel tube Y type bridge pier.
Background technology
The bridge of this kind of current multilayer traffic of urban viaduct, overpass bridge is different from common road bridge, still needs current traffic, have larger restriction to the floor space of bridge pier under bridge.Therefore, urban viaduct, overpass bridge adopt only post or special-shaped bridge pier usually.But, because only post bridge pier can only arrange single support usually, cause the resistance to capsizing of bridge more weak, and Y type bridge pier at top layout double support, thus can improve the resistance to capsizing of bridge, so Urban Bridge often adopts Y type bridge pier.In common concrete Y type Bridge Pier Construction, need to wire-tie through shuttering, Peng, a series of process such as fluid concrete, form removal, drop into manpower very large, construction period is very long, very large to traffic impact.Meanwhile, Y type bridge pier belongs to special-shaped bridge pier, and its template can only be special, cannot recycle, cause significant wastage after using.For this reason, design novel bridge pier structure is needed badly to improve the speed of application of Urban Bridge abnormity bridge pier and to reduce construction cost.
Regeneration concrete is a kind of environment-friendly type concrete utilizing regeneration aggregate and new mortar mix preparation, and regeneration aggregate is formed after fragmentation, cleaning and classification by waste concrete block.In regeneration concrete, partly or entirely replace the natural aggregates such as sandstone by regeneration aggregate.Applying of regeneration concrete is conducive to construction refuse resource; meet environmental protection and sustainable development requirement; make full use of regeneration concrete; not only effectively can reduce the quantity of building waste; reduce building waste to the pollution of natural environment; play the effect of protection of the environment, reach the object of saving natural sandstone resource, there is significant economy, society and environmental benefit.But, owing to adhering to the impact of old mortar in regeneration aggregate, compared with ordinary concrete, regeneration concrete is more prone to occur micro-crack under uniaxial tension effect, and then cause the uniaxial compressive strength of regeneration concrete to be generally less than ordinary concrete, have impact on it and apply.In this kind of structure higher to concrete anti-compression mechanical property requirements of bridge pier, also regeneration concrete cannot be applied to wherein.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of bearing capacity meets the demands, anti-seismic performance is good, construction fast, the pin-connected panel regeneration concrete filled steel tube Y type bridge pier of low, the economic environmental protection of construction cost.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: pin-connected panel regeneration concrete filled steel tube Y type bridge pier, comprise Y type bridge pier, Y type bridge pier is made up of Y shape steel tube, steel pipe binder and assembled flange welding, and bridge pad is placed in Y type bridge pier both arms top; Y shape steel tube is as bridge pier pier shaft, and steel pipe binder is positioned at more than Y shape steel tube crotch and welds with Y shape steel tube two diverging arms, and there is assembled flange Y shape steel tube bottom; Regenerated aggregate concrete is built in Y shape steel tube inside.
Assembled flange comprises 8 pieces of stiffening ribs, reserved 8 assembled bolts hole.
Above-mentioned pin-connected panel regeneration concrete filled steel tube Y type bridge pier, also comprises matrix cushion cap, and Y type bridge pier is fixed with matrix cushion cap is assembled by the assembled bolt be embedded in matrix cushion cap.
The diameter 60cm more than larger than bridge pad maximum size of Y shape steel tube two diverging arms round steel pipe.
Strength of recycled aggregate concrete grade is not less than C35.
Regenerated aggregate concrete is made up of new mortar and regeneration aggregate, and regeneration aggregate is made up of original natural aggregate and the old mortar of attachment.
The steel ratio of Y type bridge pier is 0.05-0.2.
For the demand of regenerated aggregate concrete application Problems existing and Urban Bridge Bridge Pier Construction convenience and construction cost, inventor has devised a kind of pin-connected panel regeneration concrete filled steel tube Y type bridge pier, be made up of Y shape steel tube, steel pipe binder and assembled flange welding, bridge pad is placed in Y type bridge pier both arms top; Y shape steel tube is as bridge pier pier shaft, and steel pipe binder is positioned at more than Y shape steel tube crotch and welds with Y shape steel tube two diverging arms, and there is assembled flange Y shape steel tube bottom; Regenerated aggregate concrete is built in Y shape steel tube inside.The utility model make use of steel pipe and forms parcel constraint to regenerated aggregate concrete, improve the stress performance of regenerated aggregate concrete, improve its pressure-bearing and anti-biasing ability, and the bearing capacity improved by the regeneration concrete of steel tube confinement and shock resistance, make regeneration concrete bridge pier meet mechanical property requirements, can be applied in the middle of bridge engineering; The filling of regeneration concrete, can improve the anti-cripling ability of steel pipe.Pin-connected panel regeneration concrete filled steel tube Y type bridge pier of the present utility model can be applicable in city intersection bridge, wherein, outside steel pipe can be used as concrete blinding and uses, Y shape steel tube is by the on-the-spot quick-assembling of assembled flange, assembled bolt and matrix cushion cap, regeneration concrete is built in pipe, save conventional concrete bridge pier shuttering, the step such as Peng wire-ties, form removal, significantly can improve the speed of application of Y type bridge pier; Meanwhile, the utility model makes regenerated aggregate concrete be applied in bridge engineering, is conducive to applying and construction refuse resource of regeneration concrete, improves economic benefit.
Accompanying drawing explanation
Fig. 1 is the using state schematic diagram of the utility model pin-connected panel regeneration concrete filled steel tube Y type bridge pier.
Fig. 2 is the schematic top plan view of Y type bridge pier in Fig. 1.
Fig. 3 is the cross-sectional schematic of Y type bridge pier and matrix cushion cap coupling part in Fig. 1.
Fig. 4 is the schematic diagram of regenerated aggregate concrete in Fig. 1.
In figure: 1Y shape steel tube, 2 steel pipe binders, 3 regenerated aggregate concretes, 4 bearings, 5 assembled flanges, 6 assembled bolts, 7 fixing concretes, 8 matrix cushion caps, 9 original natural aggregates, 10 old mortars, 11 new mortars.
Detailed description of the invention
As shown in Figures 1 to 4, the utility model pin-connected panel regeneration concrete filled steel tube Y type bridge pier comprises Y type bridge pier, and Y type bridge pier is welded to form by Y shape steel tube 1, steel pipe binder 2 and assembled flange 5, and bridge pad 4 is placed in Y type bridge pier both arms top; Y shape steel tube is as bridge pier pier shaft, and steel pipe binder is positioned at more than Y shape steel tube crotch and welds with Y shape steel tube two diverging arms, and there is assembled flange Y shape steel tube bottom, and assembled flange comprises 8 pieces of stiffening ribs, reserved 8 assembled bolts hole; Regenerated aggregate concrete 3 is built in Y shape steel tube inside.
Manufacturing process
Y shape steel tube is prefabricated in the factory, by two diverging arms round steel pipes (diameter 60cm more than larger than bridge pad maximum size) and main steel-pipe welding, the splicing flange bottom plate in 8 splice bolt holes and main steel pipe bottom welding will be had again, and then flange stiffening rib is welded with main steel pipe and flange bottom plate, form the Y shape steel tube of bottom belt splicing flange.Y shape steel tube is transported to Bridge Pier Construction scene, is docked with the matrix cushion cap 8 (pre-buried splice bolt 6) of having constructed at the scene by the splice bolt hole of splicing flange, then build fixing concrete 7.After Y shape steel tube has been spliced, by steel pipe binder and Y shape steel tube both arms Site Welding, finally in Y shape steel tube, pour into regenerated aggregate concrete, final formation Y type bridge pier.Regenerated aggregate concrete is made up of new mortar 11 and regeneration aggregate, and regeneration aggregate is made up of original natural aggregate 9 and the old mortar 10 of attachment.Strength of recycled aggregate concrete grade is not less than C35, according to " reinforced concrete composite structure design specifications " (JGJ138-2001) regulation: the steel ratio of Y type bridge pier is within the scope of 0.05-0.2.
Design principle
Pin-connected panel regeneration concrete filled steel tube Y type bridge pier of the present utility model both can meet requirement for bearing capacity, can improve again intensity and the shock resistance of restrained regeneration concrete.Because steel duct builds regenerated aggregate concrete, in a compressed state, the intensity of regeneration concrete is improve by the constraint of steel pipe, and then improve the bearing capacity of regeneration concrete, improve the anti-cripling ability of steel pipe simultaneously, specifically: when axial force increases time, because concrete has certain poisson's ratio, lateral deformation can be there is, under lateral deformation suffers restraints situation, the concrete of steel duct is in three dimension stress state, and the development of concrete microcrack can be restricted, deformation performance also can strengthen, thus improves bearing capacity; Interaction between steel pipe and concrete makes the concrete destruction of steel duct change plastic failure into by brittle fracture, and the ductile performance of component is obviously improved, and energy dissipation capacity improves greatly, thus improves shock resistance; The concrete of steel duct can prevent steel pipe generation cripling again effectively simultaneously, improves the anti-flexion capabilities of steel pipe.
Claims (7)
1. a pin-connected panel regeneration concrete filled steel tube Y type bridge pier, comprise Y type bridge pier, it is characterized in that: described Y type bridge pier is made up of Y shape steel tube, steel pipe binder and assembled flange welding, bridge pad is placed in Y type bridge pier both arms top; Described Y shape steel tube is as bridge pier pier shaft, and steel pipe binder is positioned at more than Y shape steel tube crotch and welds with Y shape steel tube two diverging arms, and there is assembled flange Y shape steel tube bottom; Regenerated aggregate concrete is built in described Y shape steel tube inside.
2. pin-connected panel regeneration concrete filled steel tube Y type bridge pier according to claim 1, is characterized in that: described assembled flange comprises 8 pieces of stiffening ribs, reserved 8 assembled bolts hole.
3. pin-connected panel according to claim 2 regeneration concrete filled steel tube Y type bridge pier, characterized by further comprising matrix cushion cap, and Y type bridge pier is fixed with matrix cushion cap is assembled by the assembled bolt be embedded in matrix cushion cap.
4. pin-connected panel regeneration concrete filled steel tube Y type bridge pier according to claim 3, is characterized in that: the diameter 60cm more than larger than bridge pad maximum size of described Y shape steel tube two diverging arms round steel pipe.
5. pin-connected panel regeneration concrete filled steel tube Y type bridge pier according to claim 4, is characterized in that: described strength of recycled aggregate concrete grade is not less than C35.
6. pin-connected panel regeneration concrete filled steel tube Y type bridge pier according to claim 5, it is characterized in that: described regenerated aggregate concrete is made up of new mortar and regeneration aggregate, regeneration aggregate is made up of original natural aggregate and the old mortar of attachment.
7. pin-connected panel regeneration concrete filled steel tube Y type bridge pier according to claim 6, is characterized in that: the steel ratio of described Y type bridge pier is 0.05-0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606439.4U CN204139054U (en) | 2014-10-20 | 2014-10-20 | Pin-connected panel regeneration concrete filled steel tube Y type bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606439.4U CN204139054U (en) | 2014-10-20 | 2014-10-20 | Pin-connected panel regeneration concrete filled steel tube Y type bridge pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204139054U true CN204139054U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420606439.4U Withdrawn - After Issue CN204139054U (en) | 2014-10-20 | 2014-10-20 | Pin-connected panel regeneration concrete filled steel tube Y type bridge pier |
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| Country | Link |
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| CN (1) | CN204139054U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278621A (en) * | 2014-10-20 | 2015-01-14 | 广西交通科学研究院 | Splice mounting type recycled concrete-filled steel tube Y-shaped bridge pier |
| CN107059602A (en) * | 2017-05-13 | 2017-08-18 | 林再颐 | A kind of Y type bridge piers of high-mechanic intensity |
| CN110306424A (en) * | 2018-03-20 | 2019-10-08 | 比亚迪股份有限公司 | It is used to support support column of track girder and preparation method thereof, the track with it |
| CN112575675A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Bridge component of rail vehicle and bridge system |
-
2014
- 2014-10-20 CN CN201420606439.4U patent/CN204139054U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278621A (en) * | 2014-10-20 | 2015-01-14 | 广西交通科学研究院 | Splice mounting type recycled concrete-filled steel tube Y-shaped bridge pier |
| CN107059602A (en) * | 2017-05-13 | 2017-08-18 | 林再颐 | A kind of Y type bridge piers of high-mechanic intensity |
| CN110306424A (en) * | 2018-03-20 | 2019-10-08 | 比亚迪股份有限公司 | It is used to support support column of track girder and preparation method thereof, the track with it |
| CN112575675A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Bridge component of rail vehicle and bridge system |
| CN112575675B (en) * | 2019-09-30 | 2022-03-18 | 比亚迪股份有限公司 | Bridge component of rail vehicle and bridge system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150204 Effective date of abandoning: 20171114 |