CN204370300U - Regeneration concrete Z-type pier stud - Google Patents
Regeneration concrete Z-type pier stud Download PDFInfo
- Publication number
- CN204370300U CN204370300U CN201420605898.0U CN201420605898U CN204370300U CN 204370300 U CN204370300 U CN 204370300U CN 201420605898 U CN201420605898 U CN 201420605898U CN 204370300 U CN204370300 U CN 204370300U
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- concrete
- aggregate
- regeneration
- pier stud
- regeneration concrete
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Abstract
The utility model discloses a kind of regeneration concrete Z-type pier stud, 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 Z-type pier stud.
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 Z-type pier stud 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 Z-type pier stud, comprise Z-type cross section pier shaft, Z-type 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 stage casing of Z-type cross section pier shaft, two steel pipes are welded on two ends, stage casing respectively, two round steel pipes respectively with two U-shaped steel tanks as parallel two limbs up and down of Z-type cross section pier shaft, upper and lower two limbs be arranged in bridge longitudinally on; 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.
U-shaped steel tank width B 1 and round steel pipe diameter D ratio are within the scope of 0.2185-0.7071.
U-shaped steel tank width B 1 and round steel pipe diameter D ratio 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 0-1, when being taken as 0, namely cancelling the effect of U-shaped steel tank, becoming the dumbbell shape pier stud of oblique layout.
Between steel plate, width B 2 should get 40cm-60cm scope.
General aggregate strength grade of concrete is not less than C50, and strength of recycled aggregate concrete grade is not less than C35, and the concrete strength grade of general aggregate is greater than regenerated aggregate concrete.
The aggregate size of regeneration concrete is in 5mm-30mm scope, and grating is reasonable.
For regenerated aggregate concrete application Problems existing, inventor has devised a kind of regeneration concrete Z-type pier stud, 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 Z-type pier stud.
In figure: 1 round steel pipe, 2U shape steel tank, 3 steel plates, 4 regenerated aggregate concretes, 5 general aggregate concrete.
Detailed description of the invention
As shown in Figure 1, regeneration concrete Z-type pier stud of the present utility model comprises Z-type cross section pier shaft, Z-type cross section pier shaft is welded to form by two round steel pipes 1 of two block plates 3 and band U-shaped steel tank 2, two parallel block plates are as the stage casing of Z-type cross section pier shaft, two steel pipes are welded on two ends, stage casing respectively, two round steel pipes respectively with two U-shaped steel tanks as parallel two limbs up and down of Z-type cross section pier shaft, upper and lower two limbs be arranged in bridge longitudinally on; Build general aggregate concrete 5 in U-shaped steel tank and between two parallel block plates, regenerated aggregate concrete 4 is built in round steel pipe inside.
Manufacturing process
First encased steel plate is formed U-shaped steel tank by soldering group, then U-shaped steel tank is welded on round steel pipe, finally by two block plates, the round steel pipe of two band U ribs is welded together, the Z-shaped pier stud of final formation, (aggregate size is in 5mm-30mm scope to build regenerated aggregate concrete in round steel pipe inside subsequently, grating is reasonable), build 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 C35, and the strength grade of ordinary concrete must not lower than regenerated aggregate concrete.
Wherein, steel plate length L adopts according to actual conditions, and steel plate and U-shaped steel tank center line angle of cut α are according to the actual oblique angles value of bridge.U-shaped steel tank width B 1 and round steel pipe diameter D ratio are 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 0-1, when getting 0, namely should be cancelled the effect of U-shaped steel tank, becoming the dumbbell shape pier stud of oblique layout; Between steel plate, width B 2 should be taken at 40cm-60cm scope.
Design principle
The Z-shaped pier stud of regeneration concrete 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, expanded regeneration concrete range of application, in addition, this pier stud easy construction, 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 pier stud work progress, thus the material-saving that saves time.
Claims (8)
1. a regeneration concrete Z-type pier stud, comprise Z-type cross section pier shaft, it is characterized in that: described Z-type 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 stage casing of Z-type cross section pier shaft, two steel pipes are welded on two ends, stage casing respectively, two round steel pipes respectively with two U-shaped steel tanks as parallel two limbs up and down of Z-type cross section pier shaft, upper and lower two limbs be arranged in bridge longitudinally on; 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 Z-type pier stud according to claim 1, is characterized in that: described U-shaped steel tank is welded by encased steel plate.
3. regeneration concrete Z-type pier stud according to claim 2, is characterized in that: described U-shaped steel tank width B 1 and round steel pipe diameter D ratio are within the scope of 0.2185-0.7071.
4. regeneration concrete Z-type pier stud according to claim 3, is characterized in that: described U-shaped steel tank width B 1 is 0.4815 with round steel pipe diameter D ratio.
5. regeneration concrete Z-type pier stud 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 0-1 and be not equal to 0.
6. regeneration concrete Z-type pier stud according to claim 5, is characterized in that: between described steel plate, width B 2 is in 40cm-60cm scope.
7. regeneration concrete Z-type pier stud according to claim 6, 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 C35, and the concrete strength grade of general aggregate is greater than regenerated aggregate concrete.
8. regeneration concrete Z-type pier stud according to claim 7, is characterized in that: the aggregate size of described regeneration concrete is in 5mm-30mm scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605898.0U CN204370300U (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete Z-type pier stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605898.0U CN204370300U (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete Z-type pier stud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204370300U true CN204370300U (en) | 2015-06-03 |
Family
ID=53326532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605898.0U Withdrawn - After Issue CN204370300U (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete Z-type pier stud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204370300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328735A (en) * | 2014-10-20 | 2015-02-04 | 广西交通科学研究院 | Recycled concrete Z-shaped pier stud |
-
2014
- 2014-10-20 CN CN201420605898.0U patent/CN204370300U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328735A (en) * | 2014-10-20 | 2015-02-04 | 广西交通科学研究院 | Recycled concrete Z-shaped pier stud |
| CN104328735B (en) * | 2014-10-20 | 2016-11-09 | 广西交通科学研究院 | Regeneration concrete Z-type pier stud |
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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 |
Granted publication date: 20150603 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |