CN104328735B - Regeneration concrete Z-type pier stud - Google Patents
Regeneration concrete Z-type pier stud Download PDFInfo
- Publication number
- CN104328735B CN104328735B CN201410557511.3A CN201410557511A CN104328735B CN 104328735 B CN104328735 B CN 104328735B CN 201410557511 A CN201410557511 A CN 201410557511A CN 104328735 B CN104328735 B CN 104328735B
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- Prior art keywords
- concrete
- regeneration
- aggregate
- pier stud
- regeneration concrete
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
Abstract
The invention discloses a kind of regeneration concrete Z-type pier stud, two round steel pipes by two block plates with U-shaped steel tank are welded to form, and in U-shaped steel tank and pour general aggregate concrete between two parallel block plates, pour regenerated aggregate concrete inside round steel pipe.Instant invention overcomes owing to intensity and endurance quality difference etc. cause regeneration concrete to use limited problem, be conducive to popularization and application in science of bridge building for the regeneration concrete and engineering garbage as resource, can be applicable to earthquake intensity larger area, construction material is difficult to the Skew Bridge in the region transported；For by the bridge after eaerthquake damage, immediately the bridge of destruction can be broken off regeneration aggregate, substitute natural aggregate by regeneration aggregate part and repair or rebuild bridge, decrease cost of transportation, be conducive to recovering post-disaster reconstruction.
Description
Technical field
The invention belongs to the technical field of bridge engineering of steel performance, relate to bridge pier column, especially one is again
Growing concrete Z-type pier stud.
Background technology
Now, China is the maximum construction market in the whole world, and huge concrete demand causes sandstone gradually to show confession
The trend should not asked, the high-quality natural aggregate in the many areas of China has become exhausted, and substantial amounts of quarrying activity is to ecological environment
Cause irreversible destruction.Meanwhile, the discharge capacity of waste material of buildings also increases day by day, and discarded concrete is carried out again
Utilize, be i.e. processed into regeneration aggregate for producing regeneration concrete it is considered to be solve the most effective way of discarded concrete problem
Footpath.On the one hand the application of recycled concrete can solve the problem that discarded concrete difficult treatment is brought, on the other hand
The consumption to natural aggregate, the ecological environment in the protection aggregate place of production can be reduced, meet the requirement of sustainable development.
But, damage with its adsorption one layer of old mortar due to the inherence of regeneration aggregate and caused water absorption rate big, cause it
Recycled concrete strength, shrinkage and the endurance qualities etc. being made into are compared with normal concrete difference, and this is that restriction regeneration aggregate mixes
One of major reason of solidifying soil popularization and application.
Content of the invention
The technical problem to be solved in the present invention is to provide that a kind of bearing capacity is high, anti-seismic performance is good, cheap, easy construction
Regeneration concrete Z-type pier stud, to meet the requirement of science of bridge building application, expands the range of regeneration concrete.
For solving above-mentioned technical problem, the present invention by the following technical solutions: regeneration concrete Z-type pier stud, including Z-type cuts
Face pier shaft, two round steel pipes by two block plates with U-shaped steel tank for the Z-type cross section pier shaft are welded to form, two blocks of parallel steel
Plate is as the stage casing of Z-type cross section pier shaft, and two steel pipes are respectively welded at two ends, stage casing, and two round steel pipes respectively carry two U-shapeds
Steel tank as parallel two limb up and down of Z-type cross section pier shaft, upper and lower two limbs be arranged in bridge longitudinally on；U-shaped steel tank is interior and parallel
Two block plates between pour general aggregate concrete, pour regenerated aggregate concrete inside round steel pipe.
U-shaped steel tank is welded by encased steel plate.
U-shaped steel tank width B1 and round steel pipe diameter D ratio are in the range of 0.2185-0.7071.
U-shaped steel tank width B1 and round steel pipe diameter D ratio preferably take near 0.4815.
U-shaped steel tank length H and round steel pipe diameter D ratio are preferably in the range of 0-1 and be not equal to 0, when being taken as 0, i.e.
Cancel U-shaped steel tank effect, become diagonally disposed dumbbell shape pier stud.
Between steel plate, width B2 preferably takes 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 commonly
The strength grade of aggregate concrete is more than regenerated aggregate concrete.
The aggregate size of regeneration concrete is in 5mm-30mm scope, and grating is reasonable.
The problem existing for regenerated aggregate concrete application, inventor devises a kind of regeneration concrete Z-type pier stud, by two
Block plate and two round steel pipes with U-shaped steel tank are welded to form, and U-shaped steel tank is interior and pours general between two parallel block plates
Logical aggregate concrete, pours regenerated aggregate concrete inside round steel pipe.Due to large diameter steel pipe constraint regeneration concrete
" cuff " acts on, and is combined together steel with concrete, and under axial compressive force effect, the expansion of concrete will be by steel
Pipe retrains, and concrete is in three dimension stress state, will be greatly improved the bearing capacity of concrete；In addition, be filled with common coagulation
The U-shaped steel tank of soil and cross wall can be effectively prevented again steel pipe generation cripling, and the ductile performance of component is obviously improved,
Energy dissipation capacity is greatly improved, and has superior anti-seismic performance.Additionally, encased steel plate and steel pipe can use simultaneously as template,
Therefore construct in need not carry out form work engineering, can accelerating construction progress, increase economic efficiency.Instant invention overcomes due to intensity
And endurance quality difference etc. causes regeneration concrete to use limited problem, beneficially popularization in science of bridge building for the regeneration concrete
Application and engineering garbage as resource, can be applicable to earthquake intensity larger area, construction material is difficult to the skew bridge in the region transported
Beam；For by the bridge after eaerthquake damage, immediately the bridge of destruction can be broken off regeneration aggregate, use regeneration aggregate part
Substitute natural aggregate repair or rebuild bridge, decrease cost of transportation, be conducive to recovering post-disaster reconstruction.
Brief description
Fig. 1 is the structural representation of regeneration concrete Z-type pier stud of the present invention.
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 it is shown in figure 1, the regeneration concrete Z-type pier stud of the present invention includes Z-type cross section pier shaft, Z-type cross section pier shaft is by two pieces
Steel plate 3 and two round steel pipes 1 with U-shaped steel tank 2 are welded to form, and two parallel block plates are as Z-type cross section pier shaft
Stage casing, two steel pipes are respectively welded at two ends, stage casing, and two round steel pipes respectively carry two U-shaped steel tanks as Z-type cross section pier shaft
Parallel two limb up and down, upper and lower two limbs are arranged in bridge longitudinal direction；In U-shaped steel tank and pour general between two parallel block plates
Logical aggregate concrete 5, pours regenerated aggregate concrete 4 inside round steel pipe.
Manufacturing process
First encased steel plate is formed U-shaped steel tank by welding group, then U-shaped steel tank is welded on round steel pipe, finally leads to
Cross two block plates two round steel pipes with U rib are welded together, ultimately form Z-shaped pier stud, subsequently in round steel pipe
Portion pours regenerated aggregate concrete (, in 5mm-30mm scope, grating is reasonable for aggregate size), inside U-shaped steel tank and steel plate
Pour general aggregate concrete.Wherein, general aggregate strength grade of concrete is not less than C50, strength of recycled aggregate concrete
Grade is not less than C35, and the strength grade of normal concrete must not be less than regenerated aggregate concrete.
Wherein, steel plate length L uses according to actual conditions, and steel plate and U-shaped steel tank center line angle of cut α are actual according to bridge
Oblique angles value.U-shaped steel tank width B1 and round steel pipe diameter D ratio are in the range of 0.2185-0.7071, according to list
The principle that position volume concrete obtains maximum load capacity preferably takes near 0.4815；U-shaped steel tank length H and round steel pipe diameter D
Ratio is preferably in the range of 0-1, when taking 0, i.e. cancels U-shaped steel tank effect, becomes diagonally disposed dumbbell shape pier stud；Steel
Between plate, width B2 is preferably taken at 40cm-60cm scope.
Design principle
The Z-shaped pier stud of regeneration concrete of the present invention both can meet requirement for bearing capacity, has again good anti-seismic performance, and can show
Write and improve regeneration concrete durability, expand regeneration concrete range of application, additionally, this pier stud easy construction, cheap.
Bearing power increase is because: when axial force increases, and concrete can occur transversely deforming, when transversely deforming is by about
In the case of bundle, the development of concrete microcrack can be restricted, and deformation performance also can strengthen, thus improves bearing capacity.Anti-
Shock stability raising is because: be on the one hand filled with the U-lag steel of normal concrete and cross wall can be effectively prevented steel pipe and send out
Raw cripling, the ductile performance of component is obviously improved, and energy dissipation capacity is greatly improved；On the other hand owing to core concrete is subject to
To constraint, when geological process, the micro-crack of inside concrete is also not easy extension, thus shock resistance is improved.Resistance to
Long performance raising is because: encased steel plate makes regeneration concrete be isolated with atmospheric environment, stops the infiltration of moisture, so that
The endurance quality of regeneration concrete is improved.Easy construction, the reason that cheap be: on the one hand use discarded regeneration
Concrete, turns waste into wealth；On the other hand steel pipe and steel plate directly serve as template, 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, including Z-type cross section pier shaft, it is characterised in that: described Z-type cross section pier shaft is by two
Block plate and two round steel pipes with U-shaped steel tank are welded to form, and two parallel block plates are as Z-type cross section pier shaft
Stage casing, two steel pipes are respectively welded at two ends, stage casing, and two round steel pipes respectively carry two U-shaped steel tanks as Z-type cross section
Parallel two limb up and down of pier shaft, upper and lower two limbs are arranged in bridge longitudinal direction；In described U-shaped steel tank and two blocks of parallel steel
Pour general aggregate concrete between plate, inside round steel pipe, pour regenerated aggregate concrete.
2. regeneration concrete Z-type pier stud according to claim 1, it is characterised in that: described U-shaped steel tank is by encased steel plate
It is welded.
3. regeneration concrete Z-type pier stud according to claim 2, it is characterised in that: described U-shaped steel tank width B1 and circle
Shape diameter of steel tube D ratio is in the range of 0.2185-0.7071.
4. regeneration concrete Z-type pier stud according to claim 3, it is characterised in that: described U-shaped steel tank width B1 and circle
Shape diameter of steel tube D ratio is 0.4815.
5. regeneration concrete Z-type pier stud according to claim 4, it is characterised in that: described U-shaped steel tank length H and circle
Shape diameter of steel tube D ratio and is not equal to 0 in the range of 0-1.
6. regeneration concrete Z-type pier stud according to claim 5, it is characterised in that: wide between described two parallel block plates
Degree B2 is in 40cm-60cm scope.
7. regeneration concrete Z-type pier stud according to claim 6, it is characterised in that: described general aggregate concrete strength
Grade is not less than C50, and strength of recycled aggregate concrete grade is not less than C35, and the strength grade of general aggregate concrete
More than regenerated aggregate concrete.
8. regeneration concrete Z-type pier stud according to claim 7, it is characterised in that: the aggregate grain of described regeneration concrete
Footpath is in 5mm-30mm scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557511.3A CN104328735B (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete Z-type pier stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557511.3A CN104328735B (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete Z-type pier stud |
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| Publication Number | Publication Date |
|---|---|
| CN104328735A CN104328735A (en) | 2015-02-04 |
| CN104328735B true CN104328735B (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410557511.3A Active CN104328735B (en) | 2014-10-20 | 2014-10-20 | Regeneration concrete Z-type pier stud |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946527B (en) * | 2017-03-31 | 2019-06-28 | 中冶南方城市建设工程技术有限公司 | A kind of U-shaped abutment of regeneration concrete gravity type and preparation method thereof |
| CN107190635B (en) * | 2017-06-26 | 2022-10-04 | 天津大学 | Dumbbell type steel pipe concrete combined bridge pier and connecting structure and method of dumbbell type steel pipe concrete combined bridge pier and bearing platform |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170258A (en) * | 1985-01-25 | 1986-07-30 | John Michael Dyson | Repairing PRC houses |
| CN1032691A (en) * | 1988-09-02 | 1989-05-03 | 宋德印 | Special-shaped hollow column |
| JPH0978763A (en) * | 1995-09-18 | 1997-03-25 | Maeda Corp | Work execution method for concrete structure and precast form |
| CN200992774Y (en) * | 2006-12-08 | 2007-12-19 | 北京工业大学 | Section steel concrete special-shaped column |
| CN202787661U (en) * | 2011-12-26 | 2013-03-13 | 北京工业大学 | Latticed single-row reinforced concrete column with Z-shaped cross section |
| CN103216039A (en) * | 2013-05-02 | 2013-07-24 | 广西大学 | Combined type steel pipe concrete special-shaped column with honeycomb-hole partition plate |
| CN103967208A (en) * | 2014-04-14 | 2014-08-06 | 北京工业大学 | Light steel-small diameter wood composite load-bearing column with Z-shaped cross section and preparation method thereof |
| CN104060763A (en) * | 2014-07-03 | 2014-09-24 | 沈阳建筑大学 | Z-shaped steel pipe-steel framework recycled concrete combined pillar |
| CN204370300U (en) * | 2014-10-20 | 2015-06-03 | 广西交通科学研究院 | Regeneration concrete Z-type pier stud |
-
2014
- 2014-10-20 CN CN201410557511.3A patent/CN104328735B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170258A (en) * | 1985-01-25 | 1986-07-30 | John Michael Dyson | Repairing PRC houses |
| CN1032691A (en) * | 1988-09-02 | 1989-05-03 | 宋德印 | Special-shaped hollow column |
| JPH0978763A (en) * | 1995-09-18 | 1997-03-25 | Maeda Corp | Work execution method for concrete structure and precast form |
| CN200992774Y (en) * | 2006-12-08 | 2007-12-19 | 北京工业大学 | Section steel concrete special-shaped column |
| CN202787661U (en) * | 2011-12-26 | 2013-03-13 | 北京工业大学 | Latticed single-row reinforced concrete column with Z-shaped cross section |
| CN103216039A (en) * | 2013-05-02 | 2013-07-24 | 广西大学 | Combined type steel pipe concrete special-shaped column with honeycomb-hole partition plate |
| CN103967208A (en) * | 2014-04-14 | 2014-08-06 | 北京工业大学 | Light steel-small diameter wood composite load-bearing column with Z-shaped cross section and preparation method thereof |
| CN104060763A (en) * | 2014-07-03 | 2014-09-24 | 沈阳建筑大学 | Z-shaped steel pipe-steel framework recycled concrete combined pillar |
| CN204370300U (en) * | 2014-10-20 | 2015-06-03 | 广西交通科学研究院 | Regeneration concrete Z-type pier stud |
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| CN104328735A (en) | 2015-02-04 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ying Jingwei Inventor after: Yang Yuhou Inventor after: Yang Tao Inventor after: Ma Xian Inventor after: Zhou Tinglin Inventor after: Qin Yu Inventor before: Ying Jingwei Inventor before: Qin Yu Inventor before: Yang Tao Inventor before: Ma Xian Inventor before: Zhou Tinglin |
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Effective date of registration: 20160912 Address after: 530007 Nanning high tech Zone, the Guangxi Zhuang Autonomous Region hi tech Road, No. two, No. 6 Applicant after: Guangxi Transportation Research Institute Applicant after: Guangxi University Address before: 530007 Nanning high tech Zone, the Guangxi Zhuang Autonomous Region hi tech Road, No. two, No. 6 Applicant before: Guangxi Transportation Research Institute |
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