CN208792625U - High-strength recycled concrete superposed column - Google Patents
High-strength recycled concrete superposed column Download PDFInfo
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- CN208792625U CN208792625U CN201820632893.5U CN201820632893U CN208792625U CN 208792625 U CN208792625 U CN 208792625U CN 201820632893 U CN201820632893 U CN 201820632893U CN 208792625 U CN208792625 U CN 208792625U
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Abstract
The utility model relates to technical field of structural engineering, disclose a kind of high-strength recycled concrete superposed column, the superposed column includes steel pipe, the first high-strength regeneration concrete being cast in the steel pipe and the second high-strength regeneration concrete being cast in outside the steel pipe, further includes: steel tie；The steel tie passes through the steel pipe and is divided into first part, second part and Part III by the steel pipe；The second part is anchored in the described first high-strength regeneration concrete, and the first part and Part III are anchored at respectively in the described second high-strength regeneration concrete.The high-strength recycled concrete superposed column of the utility model effectively can connect the concrete inside and outside steel pipe to form entirety, make the cooperative compensating when resisting horizontal earthquake action jointly of the concrete in the concrete and steel pipe of steel pipe periphery, improves recoverability after the shock resistance and shake of superposed column.
Description
Technical field
The utility model relates to technical field of structural engineering, more particularly to a kind of high-strength recycled concrete superposed column.
Background technique
With construction industry high speed development, the demand of sandstone aggregate increasingly increases；Old building dismounting simultaneously and nature
Disaster damage produces a large amount of building wastes.Discarded concrete is broken, processing forms recycled aggregate, for matching preparation, regeneration coagulation
Soil both can solve natural aggregate resources problem in short supply, protect the ecological environment in the aggregate place of production, and can solve the heap of urban waste
It puts, take up an area and the problems such as environmental pollution, there is significant society, economical and environmentally friendly benefit, therefore recycled concrete is recognized
For the effective measures for being raising building waste renewable resources utilization rate.High-strength regeneration concrete is in high-rise and super high-rise building, bridge
Beam engineering, unique construction engineering field have vast potential for future development, are self-possessed low, to dead load is reduced, improve anti-seismic performance
Favorably.But since the shrinkage and creep of high-strength regeneration concrete deforms larger, durability is poor, the discretenesses of various mechanical properties compared with
Greatly, it is not yet promoted the use of at present in the area of providing fortification against earthquakes in China.
Column is main vertical supporting member in skyscraper.Steel tube concrete superposed column refers to the steel pipe in the middle part of by section
Column made of reinforced concrete combination outside concrete and steel pipe has big bearing capacity height, rigidity, fire resistance and anti-seismic performance
The advantages that good.It is combined using high-strength regeneration concrete and superposed column, the advantage that can use combined member mechanical property is effective
The mechanical deficiencies for making up regeneration concrete are the improvement to regeneration concrete on layer of structure.But pipe inner concrete pours
Belong to concealed work, the shrinkage and creep deformation of high-strength regeneration concrete is larger, discreteness is larger, concrete concertedness inside and outside steel pipe
Can be poor, pouring quality and anti-seismic performance are difficult to ensure, quality testing is also more taken a lot of work.
Utility model content
(1) technical problems to be solved
Purpose of the utility model is to solve high-strength regeneration concrete shrinkage and creeps existing in the prior art to deform
Greatly, the problem of discreteness is big, and concrete synergisticing performance is poor inside and outside steel pipe, and superposed column construction quality is difficult to ensure provides a kind of high
Strong recycled concrete superposed column.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of high-strength recycled concrete superposed column, including steel pipe,
The high-strength regeneration concrete of first be cast in the steel pipe and the second high-strength regeneration concrete being cast in outside the steel pipe, also
It include: steel tie；The steel tie passes through the steel pipe and is divided into first part, second part and third by the steel pipe
Part；The second part is anchored in the described first high-strength regeneration concrete, and the first part and Part III distinguish anchor
Gu in the described second high-strength regeneration concrete.
Further, the steel pipe walls are equipped with first through hole and the second through-hole, and the first part of the steel tie wears
The first through hole is crossed to be connected with the second part, the second part of the steel tie pass through second through-hole with it is described
Part III is connected.
Further, the first part of the steel tie, second part and Part III are integral.
Further, the high-strength recycled concrete superposed column includes multiple steel ties；The steel pipe walls are equipped with more
Arrange first through hole corresponding with the steel tie and the second through-hole；The first part of each steel tie passes through described the
One through-hole is connected with the second part, and the second part of the steel tie passes through corresponding second through-hole and the third
Part is connected.
Further, often ranked first through-hole and the second through-hole be in same level, and first through hole described in upper row and
The line of second through-hole and the line of first through hole described in lower row and the second through-hole are mutually perpendicular to.
Further, first through hole and the second through-hole described in every row are set along the diametrically opposite of the cross section of the steel pipe
It sets.
Further, the strength grade of the described first high-strength regeneration concrete is C50-C80, and the second high-strength regeneration is mixed
The strength grade for coagulating soil is C40-C60, and the regeneration high-strength lower than described second of the intensity of the second high-strength regeneration concrete is mixed
Coagulate the intensity of soil.
It further, further include that the steel reinforcement cage formed is bound by multiple vertical muscle and stirrup, the steel reinforcement cage is arranged described
The periphery of steel pipe；The one end of first part and Part III far from the second part of the steel tie respectively with the steel
Muscle cage is connected；Or
The first part of the steel tie and Part III are formed far from one end end clod wash of the second part to be hooked
Shape structure, and the vertical muscle with the steel reinforcement cage opposite sides links respectively.
Further, the diameter D of the steel pipe is the 1/2 of the high-strength recycled concrete superposed column pillar height, and D >=
200mm；Thickness H >=120mm of the steel pipe, and D/H≤75.
(3) beneficial effect
A kind of high-strength recycled concrete superposed column provided by the utility model, the high-strength recycled concrete superposed column is using high
Strong regeneration concrete and superposed column combine, and the advantage that can use combined member mechanical property effectively makes up regeneration concrete
Mechanical deficiencies, the effect of contraction of steel pipe can be effectively improved the brittleness problems of high-strength regeneration concrete, reduce recycled aggregate to group
The influence of stiffness of structural member and mechanical property discreteness is closed, while by the way that steel tie across steel pipe, to be partially anchored at outside steel pipe,
Part is anchored in steel pipe, effectively can connect the concrete inside and outside steel pipe to form entirety, make the concrete of steel pipe periphery with
Concrete in the steel pipe cooperative compensating when resisting horizontal earthquake action jointly, the shrinkage and creep for reducing high-strength regeneration concrete become
Shape enhances to the effect of contraction of concrete inside and outside pipe and the shear resistance in section, avoids concrete when stress is larger and steel pipe
Wall disengages, and delays the cracking of concrete and the buckling of steel pipe, improves recoverability after the shock resistance and shake of superposed column.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-strength recycled concrete superposed column of the utility model embodiment；
Fig. 2 is the overlooking structure diagram of the high-strength recycled concrete superposed column of Fig. 1；
Fig. 3 is the schematic view of the front view of the high-strength recycled concrete superposed column of Fig. 1.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 gives a kind of structural schematic diagram of high-strength recycled concrete superposed column of the utility model.The utility model
A kind of high-strength recycled concrete superposed column that embodiment provides, as shown in Figure 1, comprising: steel pipe 1 is cast in the steel pipe 1
First high-strength regeneration concrete 3, the second high-strength regeneration concrete 4 being cast in outside the steel pipe 1 and steel tie 2；It is described
Steel tie 2 passes through the steel pipe 1 and is divided by the steel pipe 1 for first part 21, second part 22 and Part III 23；It is described
Second part 22 is anchored in the described first high-strength regeneration concrete 3, and the first part 21 and Part III 23 anchor respectively
In the described second high-strength regeneration concrete 4.
Wherein, the high-strength regeneration concrete of casting, the effect of contraction of steel pipe 1 improve high-strength regeneration concrete in steel pipe 1
Brittleness and discreteness, meanwhile, the compression strength of pipe inner concrete is increased substantially, High Strength Concrete Under Compressive Cyclic Loading intensity is given full play to
High advantage increases use space to reduce the sectional dimension of column；Under axis pressure and horizontal earthquake action, due to steel pipe 1
With the presence of concrete, process of the superposed column from surrender to destruction is extended, the turning power of styletable plastic hinge is improved, makes to fold
Zygostyle has good ductility and energy dissipation capacity, and the degree of safety of building is higher, more conducively pushes the popularization and use of regeneration concrete,
Preferably adapt to energy conservation type, environmentally friendly social development demand.But due to 1 inner concrete of steel pipe pour belong to it is hidden
Engineering is covered, the shrinkage and creep deformation of high-strength regeneration concrete is larger, discreteness is larger, and concrete synergisticing performance is poor inside and outside steel pipe 1,
Its pouring quality and anti-seismic performance are difficult to ensure that quality testing is also more taken a lot of work, mixed to regeneration high-strength inside and outside steel pipe 1 in order to enhance
Coagulate soil effect of contraction and section shear resistance, using steel tie 2 pass through 1 part of steel pipe be anchored at first it is high-strength again
In growing concrete 3, be partially anchored in the second high-strength regeneration concrete 4, make the first high-strength regeneration concrete 3 and second it is high-strength again
It is whole that the connection of growing concrete 4 forms a stress.
First part 21, second part 22 and the Part III 23 of steel tie 2 can connect and be integral, and can be straight steel
The reinforcing bar of muscle or other irregular shapes, diameter range preferably in 4mm-8mm, the present embodiment to the shape of steel tie 2 and
Diameter is not specifically limited.First high-strength regeneration concrete 3 and the second high-strength regeneration concrete 4 are high-strength regeneration coagulation respectively
Soil, the strength grade range of the first high-strength regeneration concrete 3 is preferably in C50-C80, the intensity etc. of the second high-strength regeneration concrete 4
Grade range can mix appropriate steel fibre in the second high-strength regeneration concrete 4 preferably outside C40-C60, steel pipe 1 to improve ductility,
Between 30%-60%, fine aggregate should not replace recycled concrete coarse aggregate Replacement rate used.
It is general in view of the core that 1 inner concrete of steel pipe is superposed column, in practice, in steel pipe 1 first it is high-strength again
3 intensity of growing concrete is higher than the second high-strength regeneration concrete 4 outside steel pipe 1, but the present embodiment is not construed as limiting this, outside steel pipe 1
The second high-strength regeneration concrete semi-finals degree be slightly below the first high-strength 3 intensity of regeneration concrete in steel pipe 1, steel pipe 1 can be reduced
The axis pressure that peripheral armored concrete part undertakes makes it preferably undertake most horizontal force action in earthquake, improves
The ductility of superposed column makes full use of the anti-pressure ability of core concrete filled steel tube, guarantees that sound construction does not collapse, reaches peripheral reinforcing bar
Concrete and core concrete filled steel tube cooperative compensating and the effect for giving full play to respective drag.
" passing through " described above refers to that steel tie 2 is penetrated by the side of steel pipe 1 and is pierced by from the other side of steel pipe 1, draws
The part (second part 22) of knot reinforcing bar 2 is anchored in the first high-strength regeneration concrete 3, part (first part 21 and third portion
Divide and 23) be anchored in the second high-strength regeneration concrete 4, so that the high-strength regeneration concrete inside and outside steel pipe 1 be made to be linked together, makes steel
The first high-strength regeneration concrete 3 in the second high-strength regeneration concrete 4 and steel pipe 1 of 1 periphery of pipe is resisting horizontal earthquake jointly
Cooperative compensating when effect, the settable multiple mutually isostructural steel ties 2 of the present embodiment, so that the second high-strength regeneration concrete 4
It is stronger reliable with the connection of the first high-strength regeneration concrete 3.Side and the other side herein is preferably opposite two sides, with steel
The central axes of pipe 1 are line of symmetry, and side and the other side are that axis center is symmetrical.For more preferably, steel tie 2 can be with steel pipe 1
Central axes intersection, to obtain better stress integral structure.In addition, in some cases, steel tie 2, which can have, certain to incline
Gradient might not be each perpendicular to the setting of 1 direction of steel pipe.More specific expansion can hereafter be done.
A kind of high-strength recycled concrete superposed column provided by the embodiment of the utility model using high-strength regeneration concrete and is folded
Zygostyle combines, and the advantage that can use combined member mechanical property effectively makes up the mechanical deficiencies of regeneration concrete, steel pipe 1
Effect of contraction can be effectively improved the brittleness problems of high-strength regeneration concrete, reduce recycled aggregate to combined member rigidity and mechanics
The influence of performance discreteness, while by the way that steel tie 2 is passed through steel pipe 1, it is partially anchored at outside steel pipe 1, is partially anchored at steel
It in pipe 1, effectively can connect the concrete inside and outside steel pipe 1 to form entirety, in the concrete and steel pipe 1 for making the periphery of steel pipe 1
Concrete cooperative compensating when resisting horizontal earthquake action jointly reduces the shrinkage and creep deformation of high-strength regeneration concrete, enhancing
The shear resistance of effect of contraction and section to concrete inside and outside pipe avoids concrete from disengaging when stress is larger with steel pipe walls,
Delay the cracking of concrete and the buckling of steel pipe, improves recoverability after the shock resistance and shake of superposed column.
Based on the above embodiment, as a kind of preferred embodiment, referring to Fig. 1 and Fig. 3,1 wall of steel pipe is equipped with first
Through-hole 11 and the second through-hole 12, the first part 21 of the steel tie 2 pass through the first through hole 11 and the second part
22 are connected, and the second part 22 of the steel tie 2 passes through second through-hole 12 and is connected with the Part III 23.
Wherein, for facilitating steel tie 2 to pass through steel pipe 1, described first is logical for the first through hole 11 and the second through-hole 12
The positional relationship and quantity of hole 11 and the second through-hole 12 can pass through the mode of steel pipe 1 with steel tie 2 and quantity is configured, example
Such as, steel tie 2 is inserted through steel pipe 1 along the diametrical direction of steel pipe 1, then the first through hole 11 and the second through-hole 12 can edges
The diametrically opposite setting of steel pipe 1, the present embodiment are not construed as limiting this, the diameter of the first through hole 11 and the second through-hole 12
For range preferably in 30-40mm, the present embodiment is also not construed as limiting this.
First through hole 11 and the second through-hole 12 is arranged in the present embodiment on 1 wall of steel pipe, not only facilitates wearing for steel tie 2
It crosses, can also greatly improve construction quality under the premise of faint to 1 strength reduction of steel pipe, it is high-strength convenient for pouring in steel pipe 1 first
The defects of being vented when regeneration concrete 3, mitigating inside concrete microcrack, bubble guarantees pouring quality.
The first high-strength regeneration concrete 3 and the second high-strength regeneration concrete 4 are connected in order to further increase steel tie 2
Intensity improves the connection reliability of concrete inside and outside steel pipe 1, based on the above embodiment, as a kind of preferred embodiment, the height
Strong recycled concrete superposed column includes multiple steel ties 2；1 wall of steel pipe is equipped with multiple rows of corresponding with the steel tie 2
First through hole 11 and the second through-hole 12；It often ranked first through-hole 11 and the second through-hole 12 be in same level, and upper row institute
The line of the line and first through hole 11 described in lower row and the second through-hole 12 of stating first through hole 11 and the second through-hole 12 is mutually perpendicular to；
The first part 21 of each steel tie 2 passes through the first through hole 11 and is connected with the second part 22, the drawknot
The second part 22 of reinforcing bar 2 passes through corresponding second through-hole 12 and is connected with the Part III 23.
Specifically, often ranked first at through-hole 11 and the second through-hole 12 in the same horizontal line, and on ranked first through-hole 11 with
The line of second through-hole 12 and under ranked first through-hole 11 and the line of the second through-hole 12 is mutually perpendicular to, described in even more preferably every row
Along the diametrically opposite setting in the cross section of the steel pipe 1, i.e., each steel tie 2 is right for first through hole 11 and the second through-hole 12
The first through hole 11 being in same level and the second through-hole 12 should be passed through, and upper and lower steel tie 2 is staggeredly set in cross
It sets, which can enhance the high-strength regeneration concrete of first be cast in steel pipe 13 and be cast in outside steel pipe 1 and is second high-strength
The shear resistance of regeneration concrete 4 improves shock resistance.
The pouring structure for generally enhancing concrete, need to first make steel reinforcement cage, then the casting concrete in steel reinforcement cage, be based on
Above-described embodiment further includes being formed by multiple vertical muscle 51 and the binding of stirrup 52 referring to Fig. 1 and Fig. 2 as a kind of preferred embodiment
Steel reinforcement cage 5, the periphery of the steel pipe 1 is arranged in the steel reinforcement cage 5；The first part 21 and third portion of the steel tie 2
23 one end far from the second part 22 are divided to be connected respectively with the steel reinforcement cage 5；Or
One end end clod wash of first part 21 and Part III 23 far from the second part 22 of the steel tie 2
Hook arrangement is formed, and the vertical muscle 51 with 5 opposite sides of steel reinforcement cage links respectively.
Specifically, the periphery that steel pipe 1 is arranged in muscle 51 is indulged, is formed and is centered around outside steel pipe 1 by the binding of stirrup 52
Steel reinforcement cage 5, the first high-strength regeneration concrete 3 are cast in the steel pipe 1, and the second high-strength regeneration concrete 4 is cast in the steel
In muscle cage 5.The both ends of steel tie 2 are separately fixed on steel reinforcement cage 5 or the both ends clod wash of steel tie 2 forms hook and hooks
It is connected on the vertical muscle 51 of 5 two sides of steel reinforcement cage.To keep structure stronger, stirrup 52 can also exist vertical muscle 51 and the binding of steel tie 2
Together, steel tie 2, the first high-strength regeneration concrete 3 and the second high-strength regeneration concrete 4 can be made to be sufficiently formed firm one
Body can reduce the shrinkage and creep deformation of regeneration concrete, enhance to the effect of contraction of concrete inside and outside pipe and the shearing resistance in section
Ability delays the cracking of concrete and the buckling of steel pipe, further increases recoverability after the shock resistance and shake of superposed column.
Based on the above embodiment, as a kind of preferred embodiment, the diameter D of the steel pipe is the high-strength regeneration concrete
The 1/2 of superposed column pillar height, and D >=200mm；Thickness H >=120mm of the steel pipe, and D/H≤75.
Wherein, the high-strength steel of Q345 and the above intensity can be used in steel pipe 1, indulges muscle 51 and uses HRB500 grades or more intensity
Reinforcing bar.
1 diameter of steel pipe is 1/2 or so of superposed column pillar height, can effectively improve element bearing capacity and superposed column can be direct
Node area is passed through, and the vertical muscle 51 of steel reinforcement cage 5 can directly be anchored at node area, can also pass through outside superposed column, so that section
Point processing is relatively simple, improves construction efficiency and quality.
The high-strength recycled concrete superposed column of the utility model embodiment the production method is as follows:
Step S1: prefabricated steel pipe 1 is inserted into basis 6 and is anchored；
Step S2:, will be described in the prefabricated steel reinforcement cage 5 formed by vertical muscle 51 and the binding of stirrup 52 in the periphery of the steel pipe 1
Steel reinforcement cage 5 is inserted into anchoring in described basic 6；
Step S3: steel tie 2 is passed through into the steel pipe 1, is divided by the steel pipe 1 for first part 21, second part 22
With Part III 23；The both ends of the steel tie 2 are respectively fixedly connected on the steel reinforcement cage 5 or the both ends of the steel tie 2
Clod wash forms hook arrangement, and is linked on the vertical muscle 51 of 5 opposite sides of steel reinforcement cage respectively；
Step S4: setting up template outside steel reinforcement cage 5, and the first high-strength regeneration concrete 3 is poured in the steel pipe 1, anchoring
The second part 22 of the steel tie 2；The second high-strength regeneration concrete 4 is poured in the steel pipe 1, anchors the drawknot steel
The first part 21 of muscle 2 and Part III 23；
Step S5: demoulding maintenance forms high-strength recycled concrete superposed column.
Detailed process is as follows:
Step S1: prefabricated processing steel cylindrical tube 1 beats first through hole 11 every certain vertical distance in tube wall opposite sides
With the second through-hole 12, often ranked first at through-hole 11 and the second through-hole 12 in same horizontal line, and on ranked first through-hole 11 and second
The line of through-hole 12 ranked first the line of through-hole 11 and the second through-hole 12 in 90 ° of settings under.
Step S2: the steel pipe 1 being inserted into basis 6 and is fixed, and by stirrup 52 and is indulged outside steel pipe 1 by the design size of column
The binding of muscle 51 forms rectangular steel reinforcement cage 5, and protrudes into fixed in basis 6.
Step S3: the steel tie 2 by the both ends processed with crotch is successively from first through hole 11 and corresponding second through-hole
12 pass through (or first pass through steel tie 2 from first through hole 11 and corresponding second through-hole 12, then carry out the curved of both ends at the scene
Folding, the bending angle at 2 both ends of steel tie can be 90 ° or 180 °, but not limited to this), 2 both ends of steel tie catch on one respectively
Root indulges muscle 51, is integrated afterwards with the binding of steel reinforcement cage 5.
Step S4: setting up template outside steel reinforcement cage 5, first pours the first high-strength regeneration concrete 3 in steel pipe 1, then pours
The outer second high-strength regeneration concrete 4 of steel pipe 1 pours when vibrating to predetermined absolute altitude that its surface is levelling.
Step S5: demoulding maintenance forms high-strength recycled concrete superposed column.
Details are not described herein for structure same as the previously described embodiments.
The high-strength recycled concrete superposed column of the utility model, gives full play to the performance of superposed column and regeneration concrete material
Advantage wears the mode of muscle using punching on steel pipe in hole, improve construction quality, improves stress performance, makes peripheral armored concrete
With core concrete filled steel tube when resisting horizontal earthquake action jointly cooperative compensating, improving can after the shock resistance and shake of superposed column
Prosthetic.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of high-strength recycled concrete superposed column, including steel pipe, the first high-strength regeneration concrete being cast in the steel pipe
With the second high-strength regeneration concrete being cast in outside the steel pipe, which is characterized in that further include: steel tie；The drawknot steel
Muscle passes through the steel pipe and is divided into first part, second part and Part III by the steel pipe；The second part is anchored at
In the first high-strength regeneration concrete, the first part and Part III are anchored at the described second high-strength regeneration coagulation respectively
In soil；
The steel pipe walls are equipped with first through hole and the second through-hole, and the first part of the steel tie passes through the first through hole
It is connected with the second part, the second part of the steel tie passes through second through-hole and is connected with the Part III.
2. high-strength recycled concrete superposed column as described in claim 1, which is characterized in that first of the steel tie
Divide, second part and Part III are integral.
3. high-strength recycled concrete superposed column as claimed in claim 2, which is characterized in that described high-strength recycled concrete superposed
Column includes multiple steel ties；The steel pipe walls are equipped with multiple rows of first through hole corresponding with the steel tie and second and lead to
Hole；The first part of each steel tie passes through the first through hole and is connected with the second part, the steel tie
Second part pass through corresponding second through-hole and be connected with the Part III.
4. high-strength recycled concrete superposed column as claimed in claim 3, which is characterized in that first through hole described in every row and described
Second through-hole is in same level, and first through hole described in the line of first through hole described in upper row and the second through-hole and lower row
It is mutually perpendicular to the line of the second through-hole.
5. high-strength recycled concrete superposed column as claimed in claim 4, which is characterized in that first through hole described in every row and second
Diametrically opposite setting of the through-hole along the cross section of the steel pipe.
6. high-strength recycled concrete superposed column as described in claim 1, which is characterized in that the first high-strength regeneration concrete
Strength grade be C50-C80, the strength grade of the second high-strength regeneration concrete is C40-C60, and described second high-strength
The intensity of regeneration concrete is lower than the intensity of the described second high-strength regeneration concrete.
7. high-strength recycled concrete superposed column as claimed in any one of claims 1 to 6, which is characterized in that further include by multiple vertical
Muscle and stirrup bind the steel reinforcement cage to be formed, and the periphery of the steel pipe is arranged in the steel reinforcement cage；First of the steel tie
Divide and the one end of Part III far from the second part is connected with the steel reinforcement cage respectively；Or
One end end clod wash formation hook knot of first part and Part III far from the second part of the steel tie
Structure, and the vertical muscle with the steel reinforcement cage opposite sides links respectively.
8. high-strength recycled concrete superposed column as claimed in claim 7, which is characterized in that the diameter D of the steel pipe is described
The 1/2 of high-strength recycled concrete superposed column pillar height, and D >=200mm；Thickness H >=120mm of the steel pipe, and D/H≤75.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820632893.5U CN208792625U (en) | 2018-04-28 | 2018-04-28 | High-strength recycled concrete superposed column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820632893.5U CN208792625U (en) | 2018-04-28 | 2018-04-28 | High-strength recycled concrete superposed column |
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| Publication Number | Publication Date |
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| CN208792625U true CN208792625U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820632893.5U Expired - Fee Related CN208792625U (en) | 2018-04-28 | 2018-04-28 | High-strength recycled concrete superposed column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590035A (en) * | 2018-04-28 | 2018-09-28 | 北京工业大学 | High-strength recycled concrete superposed column and preparation method thereof |
| CN112282213A (en) * | 2020-09-09 | 2021-01-29 | 华南理工大学 | Steel bar regenerated block/aggregate concrete prefabricated column and construction method thereof |
-
2018
- 2018-04-28 CN CN201820632893.5U patent/CN208792625U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590035A (en) * | 2018-04-28 | 2018-09-28 | 北京工业大学 | High-strength recycled concrete superposed column and preparation method thereof |
| CN112282213A (en) * | 2020-09-09 | 2021-01-29 | 华南理工大学 | Steel bar regenerated block/aggregate concrete prefabricated column and construction method thereof |
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