CN204139052U - Regeneration concrete band U rib dumbbell shape columnar pier - Google Patents
Regeneration concrete band U rib dumbbell shape columnar pier Download PDFInfo
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- CN204139052U CN204139052U CN201420605988.XU CN201420605988U CN204139052U CN 204139052 U CN204139052 U CN 204139052U CN 201420605988 U CN201420605988 U CN 201420605988U CN 204139052 U CN204139052 U CN 204139052U
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Abstract
The utility model discloses a kind of regeneration concrete band U rib dumbbell shape columnar pier, be welded to form by two round steel pipes of two block plates and band U-shaped steel tank, build general aggregate concrete in U-shaped steel tank and between two parallel block plates, regenerated aggregate concrete is built in round steel pipe inside.The utility model overcomes because intensity and endurance quality difference etc. cause regeneration concrete to use limited problem, be conducive to regeneration concrete applying and engineering garbage as resource in bridge engineering, can be applicable to earthquake intensity larger area, constructional materials is difficult to the Skew Bridge in region that transports; For by the bridge after seismic damage, immediately the bridge fragmentation of destruction can be gone out regeneration aggregate, repair with regeneration aggregate Some substitute natural aggregate or rebuild bridge, decreasing cost of transportation, be conducive to recovering post-disaster reconstruction.
Description
Technical field
The utility model belongs to the technical field of bridge engineering of steel performance, relates to bridge pier column, especially a kind of regeneration concrete band U rib dumbbell shape columnar pier.
Background technology
Now, China is the maximum construction market in the whole world, huge concrete demand causes sandstone to show the trend that supply falls short of demand gradually, and the high-quality natural aggregate in the many areas of China has become exhausted, and a large amount of quarrying activities causes irreversible destruction to ecological environment.Meanwhile, the discharge value of waste material of buildings also increases day by day, and discarded concrete is recycled, and is namely processed into regeneration aggregate for the production of regeneration concrete, is considered to solve the most effective way of discarded concrete problem.The application of recycled concrete can solve the problem that discarded concrete difficult treatment is brought on the one hand, can reduce the consumption to natural aggregate on the other hand, and the ecological environment in the protection aggregate place of production, meets the requirement of sustainable development.
But, inherence due to regeneration aggregate has been damaged with its adsorption the old mortar of one deck and has caused water absorption rate large, comparatively ordinary concrete is poor for the recycled concrete strength causing it to be made into, shrinkage and endurance quality etc., and this is one of major reason of applying of restriction regenerated aggregate concrete.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of bearing capacity is high, anti-seismic performance good, the regeneration concrete band U rib dumbbell shape columnar pier of cheap, easy construction, to meet the requirement of bridge engineering application, expands the scope of application of regeneration concrete.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: regeneration concrete band U rib dumbbell shape columnar pier, comprise Dumbbell-shaped cross section pier shaft, Dumbbell-shaped cross section pier shaft is welded to form by two round steel pipes of two block plates and band U-shaped steel tank, two parallel block plates are as the cross wall of Dumbbell-shaped cross section pier shaft, two steel pipes are welded on cross wall two ends respectively, two round steel pipes are respectively with three U-shaped steel tanks, and three U-shaped steel tanks are evenly distributed on round steel pipe except other directions connected with cross wall; Build general aggregate concrete in U-shaped steel tank and between two parallel block plates, regenerated aggregate concrete is built in round steel pipe inside.
U-shaped steel tank is welded by encased steel plate.
The diameter D ratio of U-shaped steel tank width B and round steel pipe is within the scope of 0.2185-0.7071.
The diameter D ratio of U-shaped steel tank width B and round steel pipe should be got near 0.4815.
U-shaped steel tank length H and round steel pipe diameter D ratio should be not equal to 0 within the scope of 0-0.5, when being taken as 0, namely cancelling the effect of U-shaped steel tank, becoming complete dumbbell shape bridge pier.
General aggregate strength grade of concrete is not less than C50, and strength of recycled aggregate concrete grade is not less than C30, and the concrete strength grade of general aggregate is greater than regenerated aggregate concrete.
The aggregate size of regeneration concrete is in 5mm-40mm scope, and grating is reasonable.
For regenerated aggregate concrete application Problems existing, inventor has devised a kind of regeneration concrete band U rib dumbbell shape columnar pier, be welded to form by two round steel pipes of two block plates and band U-shaped steel tank, build general aggregate concrete in U-shaped steel tank and between two parallel block plates, regenerated aggregate concrete is built in round steel pipe inside.Due to " cuff " effect of large diameter steel pipe constraint regeneration concrete, steel and concrete are combined, under axial compression effect, concrete expansion will be subject to steel tube confinement, concrete is in three dimension stress state, will greatly improve concrete bearing capacity; In addition, the U-shaped steel tank and the cross wall that have poured into ordinary concrete can prevent steel pipe generation cripling again effectively, and the ductile performance of component is obviously improved, and energy dissipation capacity improves greatly, has superior anti-seismic performance.In addition, encased steel plate and steel pipe can use as template simultaneously, therefore need not carry out form work engineering in construction, can accelerating construction progress, increase economic efficiency.The utility model overcomes because intensity and endurance quality difference etc. cause regeneration concrete to use limited problem, be conducive to regeneration concrete applying and engineering garbage as resource in bridge engineering, can be applicable to earthquake intensity larger area, constructional materials is difficult to the Skew Bridge in region that transports; For by the bridge after seismic damage, immediately the bridge fragmentation of destruction can be gone out regeneration aggregate, repair with regeneration aggregate Some substitute natural aggregate or rebuild bridge, decreasing cost of transportation, be conducive to recovering post-disaster reconstruction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model regeneration concrete band U rib dumbbell shape columnar pier.
In figure: 1 round steel pipe, 2 steel plates, 3U shape steel tank, 4 general aggregate concrete, 5 regenerated aggregate concretes.
Detailed description of the invention
As shown in Figure 1, the utility model regeneration concrete band U rib dumbbell shape columnar pier comprises Dumbbell-shaped cross section pier shaft, Dumbbell-shaped cross section pier shaft is welded to form by two round steel pipes 1 of two block plates 2 and band U-shaped steel tank 3, two parallel block plates are as the cross wall of Dumbbell-shaped cross section pier shaft, two steel pipes are welded on cross wall two ends respectively, two round steel pipes are respectively with three U-shaped steel, and three U-shaped steel tanks are evenly distributed on round steel pipe except other directions connected with cross wall; Build general aggregate concrete 4 in U-shaped steel tank and between two parallel block plates, regenerated aggregate concrete 5 is built in round steel pipe inside.
Manufacturing process
First by encased steel plate by being welded to form U-shaped steel tank, then U-shaped steel tank is welded on round steel pipe, form the round steel pipe of two band U ribs, finally by two block plates, the round steel pipe of two band U ribs is welded together, the final dumbbell shape pier stud forming band U rib, build regenerated aggregate concrete (, in 5mm-40mm scope, grating is reasonable for aggregate size) subsequently in round steel pipe inside, build general general aggregate concrete at U-shaped steel tank and steel plate inside.Wherein, general aggregate strength grade of concrete is not less than C50, and strength of recycled aggregate concrete grade is not less than C30, and the concrete strength grade of general aggregate is greater than regenerated aggregate concrete.
Wherein, steel plate length L adopts according to actual conditions such as bridge widths.The diameter D ratio of U-shaped steel tank width B and round steel pipe is within the scope of 0.2185-0.7071, and the principle obtaining maximum load capacity according to unit volume concrete should be got near 0.4815; U-shaped steel tank length H and round steel pipe diameter D ratio within the scope of 0-0.5, when getting 0, namely should be cancelled the effect of U-shaped steel tank, becoming complete dumbbell shape bridge pier.
Design principle
Regeneration concrete band U rib dumbbell shape columnar pier of the present utility model both can meet requirement for bearing capacity, had again good anti-seismic performance, and can significantly improve regeneration concrete durability, expand regeneration concrete range of application, in addition, this Bridge Pier Construction is convenient, cheap.
Bearing power increase be because: when axial force increases time, can there is lateral deformation in concrete, and under lateral deformation suffers restraints situation, the development of concrete microcrack can be restricted, and deformation performance also can strengthen, thus improves bearing capacity.Anti-seismic performance improve be because: the U-lag steel and the cross wall that have poured on the one hand ordinary concrete can prevent steel pipe generation cripling effectively, and the ductile performance of component is obviously improved, and energy dissipation capacity improves greatly; On the other hand because core concrete suffers restraints, when geological process, the micro-crack of inside concrete is also not easy expansion, thus shock resistance is improved.Endurance quality improve be because: encased steel plate makes regeneration concrete and atmospheric environment be isolated, and the infiltration of prevention moisture, thus makes the endurance quality of regeneration concrete improve.Easy construction, cheap reason is: use discarded regeneration concrete on the one hand, turn waste into wealth; Steel pipe and steel plate directly serve as template on the other hand, need not set up template in bridge pier column work progress, thus the material-saving that saves time.
Claims (7)
1. a regeneration concrete band U rib dumbbell shape columnar pier, comprise Dumbbell-shaped cross section pier shaft, it is characterized in that: described Dumbbell-shaped cross section pier shaft is welded to form by two round steel pipes of two block plates and band U-shaped steel tank, two parallel block plates are as the cross wall of Dumbbell-shaped cross section pier shaft, two steel pipes are welded on cross wall two ends respectively, two round steel pipes are respectively with three U-shaped steel tanks, and three U-shaped steel tanks are evenly distributed on round steel pipe except other directions connected with cross wall; Build general aggregate concrete in described U-shaped steel tank and between two parallel block plates, regenerated aggregate concrete is built in round steel pipe inside.
2. regeneration concrete band U rib dumbbell shape columnar pier according to claim 1, is characterized in that: described U-shaped steel tank is welded by encased steel plate.
3. regeneration concrete band U rib dumbbell shape columnar pier according to claim 2, is characterized in that: the diameter D ratio of described U-shaped steel tank width B and round steel pipe is within the scope of 0.2185-0.7071.
4. regeneration concrete band U rib dumbbell shape columnar pier according to claim 3, is characterized in that: the diameter D ratio of described U-shaped steel tank width B and round steel pipe is 0.4815.
5. regeneration concrete band U rib dumbbell shape columnar pier according to claim 4, is characterized in that: described U-shaped steel tank length H and round steel pipe diameter D ratio are within the scope of 0-0.5 and be not equal to 0.
6. regeneration concrete band U rib dumbbell shape columnar pier according to claim 5, it is characterized in that: described general aggregate strength grade of concrete is not less than C50, strength of recycled aggregate concrete grade is not less than C30, and the concrete strength grade of general aggregate is greater than regenerated aggregate concrete.
7. regeneration concrete band U rib dumbbell shape columnar pier according to claim 6, is characterized in that: the aggregate size of described regeneration concrete is in 5mm-40mm scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605988.XU CN204139052U (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete band U rib dumbbell shape columnar pier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420605988.XU CN204139052U (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete band U rib dumbbell shape columnar pier |
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| CN204139052U true CN204139052U (en) | 2015-02-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314001A (en) * | 2014-10-20 | 2015-01-28 | 广西交通科学研究院 | Reclaimed concrete U-shaped rib dumbbell type columnar pier |
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2014
- 2014-10-20 CN CN201420605988.XU patent/CN204139052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314001A (en) * | 2014-10-20 | 2015-01-28 | 广西交通科学研究院 | Reclaimed concrete U-shaped rib dumbbell type columnar pier |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 530007 No. 6 hi-tech two road, XiXiangTang District, Nanning, the Guangxi Zhuang Autonomous Region Patentee after: Guangxi Jiaoke Group Co.,Ltd. Address before: 530007 No. 6 hi-tech two road, XiXiangTang District, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI TRANSPORTATION RESEARCH & CONSULTING Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 530007 No. 6 hi-tech two road, XiXiangTang District, Nanning, the Guangxi Zhuang Autonomous Region Patentee after: GUANGXI TRANSPORTATION RESEARCH & CONSULTING Co.,Ltd. Address before: 530007 No. 6 hi tech two road, hi tech Zone, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI TRANSPORTATION Research Institute |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210430 Address after: 530001 4th floor, science and technology building, no.6, Gaoxin 2nd Road, Nanning, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Jiaoke Engineering Consulting Co.,Ltd. Patentee after: Guangxi Jiaoke Group Co.,Ltd. Address before: 530007 No. 6 hi-tech two road, XiXiangTang District, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: Guangxi Jiaoke Group Co.,Ltd. |