CN202627325U - Concrete column with angle irons welded on corners and reinforcing cage and multi-cavity steel pipe arranged in cavity - Google Patents
Concrete column with angle irons welded on corners and reinforcing cage and multi-cavity steel pipe arranged in cavity Download PDFInfo
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- CN202627325U CN202627325U CN 201120574390 CN201120574390U CN202627325U CN 202627325 U CN202627325 U CN 202627325U CN 201120574390 CN201120574390 CN 201120574390 CN 201120574390 U CN201120574390 U CN 201120574390U CN 202627325 U CN202627325 U CN 202627325U
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Abstract
The utility model relates to a concrete column with angle irons welded on corners and a reinforcing cage and a multi-cavity steel pipe arranged in a cavity. The concrete column comprises the multi-cavity steel pipe (1), concrete (2), angle irons (3) and the reinforcing cage (4). The technical scheme is as follows: the angle irons (3) are welded on the outer corns of the common concrete with the multi-cavity steel pipe, and the reinforcing cage (4) is additionally arranged in the cavity; the angle iron is formed by rolling section steel, has no welding seams at the corn parts, has good ductility, and can overcome the defect of fragile welding at the corn parts of the concrete column with multi-cavity steel pipe; enforcement is only selectively carried out on the corners, so that steel is saved, and the cost is saved; and the concrete cage plays the restriction role for the concrete inside the cavity, so that the compound restriction role is played for the concrete in the cavity by the reinforcing cage and the multi-cavity steel pipe, and the compression resistance and the ductility of the concrete are improved, further, the seismic performance of the concrete structure with multi-cavity steel pipe is improved, the damage to the structure or components caused by cracking of welding seams of the steel pipe at the bottom of the steel pipe concrete structure can be delayed or avoided, and the performances of the material are fully embodied.
Description
Technical field
The present invention is that the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in a kind of bight, is mainly used in the energy dissipation and damping control field in the building structure.
Background technology
Society is in progress, and people's living standard is also improving constantly, and various forms of buildings emerge in an endless stream, and satisfy the building of different functions of use and also arise at the historic moment.The emerge in multitude of especially high-rise, super highrise building, this just needs the construction that new theory and new technology support this type building.Rectangular steel-tube concrete column and concrete-filled circular steel tube column are because the restriction of himself size and processing technology; Can not infinitely satisfy the needs of engineering; Under this prerequisite, multi-cavity body encased structures also just produces thereupon, and its multi-cavity body steel pipe is to be joined by steel plate to be welded.
Multi-cavity body concrete filled steel tube is made up of multi-cavity body steel pipe and two kinds of materials of concrete, because the effect of cavity inner concrete, the stability of steel pipe wallboard improves a lot, and delays or has avoided the too early generation cripling of steel pipe wallboard; Steel pipe is to the effect of contraction of its core concrete simultaneously; Make concrete be in the stress state of high complexity, thereby concrete intensity is improved, plasticity and toughness properties improve; The combination of two kinds of materials has remedied shortcoming separately, makes its material property obtain giving full play to.
In the huge post pressurized of multi-cavity body concrete filled steel tube performance test, find also to exist the some shortcomings part in the multi-cavity body encased structures function admirable.Encased structures destroys and generally all occurs in its bottom under severe earthquake action, and it is bent that local drum takes place the cavity wallboard easily; Cavity wallboard bearing capacity descends, and causes cavity bight weld seam to be torn, and inner concrete effect of contraction is weakened; The core concrete of the outside convex camber corresponding site of steel plate is serious crisp broken, and this moment, its superstructure possibly also not reach surrender, and the performance of material is not fully exerted; Caused the serious waste of material, a large amount of earthquake phenomenons have also proved this point.
In the huge post pressurized of multi-cavity body concrete filled steel tube performance test, through whether the contrast test of reinforcing cage is set, finding to be provided with in the cavity reinforcing cage has tangible contribution to improving bearing of component and ductility.Reinforcing cage has formed constraint to the cavity inner concrete, and reinforcing cage and multi-cavity body steel pipe have the compound constant effect to the cavity inner concrete, thereby have improved concrete anti-pressure ability and ductility.
Summary of the invention
Technical problem to be solved by this invention is: improve the anti-seismic performance of multi-cavity body encased structures, delay or avoid giving full play to the performance of material because encased structures bottom steel plate welding seams is torn the destruction that causes structure or member.In order to address this problem, to the present invention proposes in the bight subsides leg steel chamber reinforcing cage multi-cavity steel tube concrete post and the practice are set.
The technical scheme that the present invention adopts is:
The bight is pasted in the leg steel chamber reinforcing cage multi-cavity steel tube concrete post is set, and it comprises multi-cavity steel tube 1, is filled in the interior concrete 2 of multi-cavity steel tube, pastes the angle steel 3 that is welded in bight, the multi-cavity steel tube outside and places the reinforcing cage 4 in the multi-cavity steel tube; The corner that angle steel 3 pastes the bight that is welded in the multi-cavity steel tube concrete post according to actual needs and needs to strengthen; Reinforcing cage 4 is arranged in the cavity of multi-cavity steel tube concrete post according to calculating or structure needs.
Directly paste weldering rolling angle iron 3 for 90 ° of angles,, then curve respective angles and paste weldering with steel plate for non-90 ° of angles; Paste the leg steel should put in the basis and with its anchoring, anchorage length should meet designing requirement.
Said multi-cavity steel tube concrete column section shape can be combined by circle, triangle, rectangle.
Said multi-cavity steel tube concrete column section is shaped as circular and the square-section is combined to form the table tennis bat tee section or is combined to form the fusiformis cross section by rectangle and triangular-section.
Said angle steel 3 welds for pasting with multi-cavity steel tube 1 type of attachment, and the steel of angle steel adopt Q235, and thickness is 1/3～1/2 of multi-cavity steel tube steel plate thickness; Weld seam should meet the respective design requirement.Angle steel is a shaped steel, rolling forming, and the bight does not have weld seam, and ductility is good, can overcome the drawback of multi-cavity steel tube concrete post bight fragility welding, and just optionally strengthen in the bight, can save steel, reduces cost.
Connect angle steel 3 height above ground level or flooring that paste weldering and be preferably 1/3h, h is the height of multi-cavity steel tube concrete post.
Said reinforcing cage 4 is made up of vertical muscle and circle or ring-shaped stirrup, according to calculating or structure requires to be provided with.
The preparation method that reinforcing cage multi-cavity steel tube concrete post is set in the leg steel chamber is pasted in the bight, and its making step is following:
1), pastes leg steel 3 in bight, multi-cavity steel tube 1 outside;
2) in the cavity of the multi-cavity steel tube 1 of multi-cavity steel tube concrete post, reinforcing cage 4 is set, and positions;
3) concrete perfusion 2, carry out maintenance, be after the shaping in the bight subsides leg steel chamber reinforcing cage multi-cavity steel tube concrete post is set.
According to technical scheme of the present invention, the bight is pasted and in the leg steel chamber its preparation method of reinforcing cage multi-cavity steel tube concrete post to be set and to be:
1) as required, pastes leg steel 3 in bight, multi-cavity steel tube 1 outside;
2) reinforcing cage 4 is set in the cavity of multi-cavity steel tube concrete post, and correctly locatees;
3) concrete perfusion 2, carry out maintenance, be after the shaping in the bight subsides leg steel chamber reinforcing cage multi-cavity steel tube concrete post is set.
The present invention can obtain following beneficial effect:
Reinforcing cage 4 is set in the cavity of multi-cavity steel tube concrete post, cooperates, concrete 2 is formed the compound constant effect, improve the compression bearing and the ductility of member with multi-cavity steel tube 1.
Leg steel 3 is pasted in bight at the multi-cavity steel tube concrete post as required, and angle steel is a shaped steel, rolling forming; The bight does not have weld seam, and ductility is good, can overcome the drawback of multi-cavity steel tube concrete post bight fragility welding; And just optionally strengthen in the bight, can save steel, practice thrift cost.
Description of drawings
Fig. 1 is provided with reinforcing cage multi-cavity steel tube concrete post (type one) floor map in the bight subsides leg steel chamber;
Fig. 2 is provided with reinforcing cage multi-cavity steel tube concrete post (type two) floor map in the bight subsides leg steel chamber;
Wherein: the 1-multi-cavity steel tube, the 2-concrete, the 3-angle steel, the 4-reinforcing cage,
The specific embodiment
Below in conjunction with instantiation the present invention is further specified:
Embodiment 1
As shown in Figure 1, in the bight subsides leg steel chamber reinforcing cage multi-cavity steel tube concrete post is set and comprises multi-cavity steel tube 1, concrete 2, angle steel 3 and reinforcing cage 4.It is at the bight, the outside of common multi-cavity steel tube concrete post subsides leg steel 3 that the reinforcing cage multi-cavity steel tube concrete post and the practice are set in the bight subsides leg steel chamber, adds reinforcing cage 4 in the chamber;
Angle steel 3 height above ground level or flooring that paste weldering are preferably 1/3h (h is the height of multi-cavity steel tube concrete post); Just strengthen the plastic hinge territory of steel core concrete column; Delay or avoid the destruction of concrete filled steel tube column bottom, improve its seismic bearing capacity and energy dissipation capacity;
Paste the size of leg steel 3, should confirm according to actual test specimen.Single limb length of general angle steel be preferably that institute's welding steel tube edge that pastes grows 1/3, the steel plate thickness of angle steel should multi-cavity steel tube steel plate thickness 1/3～1/2, weld seam should meet the respective design requirement.
In the bight subsides leg steel chamber in the present embodiment reinforcing cage multi-cavity steel tube concrete post being set can make as follows:
1), makes welding multi-cavity steel tube 1 according to actual conditions;
2) select the appropriate location to paste leg steel 3 in the multi-cavity steel tube bight, directly paste the weldering rolling angle iron,, then curve respective angles and paste weldering with steel plate for non-90 ° of angles for 90 ° of angles;
3) reinforcing cage 4 is set in cavity, reinforcing cage 4 should be pressed close to the multi-cavity steel tube inwall;
4) concreting 2 in multi-cavity steel tube 1 is after the moulding in the bight subsides leg steel chamber reinforcing cage multi-cavity steel tube concrete post is set.
Embodiment 2
As shown in Figure 2, in the bight subsides leg steel chamber reinforcing cage multi-cavity steel tube concrete post is set and comprises multi-cavity steel tube 1, concrete 2, angle steel 3 and reinforcing cage 4.It is at the bight, the outside of common multi-cavity steel tube concrete post subsides leg steel 3 that the reinforcing cage multi-cavity steel tube concrete post and the practice are set in the bight subsides leg steel chamber, adds reinforcing cage 4 in the chamber;
Angle steel 3 height above ground level or flooring that paste weldering are preferably 1/3h (h is the height of multi-cavity steel tube concrete post); Just strengthen the plastic hinge territory of steel core concrete column; Delay or avoid the destruction of concrete filled steel tube column bottom, improve its seismic bearing capacity and energy dissipation capacity;
Paste the size of leg steel 3, should confirm according to actual test specimen.Single limb length of general angle steel be preferably that institute's welding steel tube edge that pastes grows 1/3, the steel plate thickness of angle steel should multi-cavity steel tube steel plate thickness 1/3～1/2, weld seam should meet the respective design requirement.
In the bight subsides leg steel chamber in the present embodiment reinforcing cage multi-cavity steel tube concrete post being set can make as follows:
1), makes welding multi-cavity steel tube 1 according to actual conditions;
2) select the appropriate location to paste leg steel 3 in the multi-cavity steel tube bight, directly paste the weldering rolling angle iron,, then curve respective angles and paste weldering with steel plate for non-90 ° of angles for 90 ° of angles;
3) reinforcing cage 4 is set in cavity, reinforcing cage 4 should be pressed close to multi-cavity steel tube 1 inwall;
4) concreting 2 in multi-cavity steel tube 1 is after the moulding in the bight subsides leg steel chamber reinforcing cage multi-cavity steel tube concrete post is set.
More than be exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (7)
1. the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in the bight, it is characterized in that: it comprises multi-cavity steel tube (1), is filled in the interior concrete (2) of multi-cavity steel tube, pastes the angle steel (3) that is welded in bight, the multi-cavity steel tube outside and places the reinforcing cage (4) in the multi-cavity steel tube; The corner that angle steel (3) pastes the bight that is welded in the multi-cavity steel tube concrete post and needs to strengthen; Reinforcing cage (4) is arranged in the cavity of multi-cavity steel tube concrete post.
2. the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in bight according to claim 1, it is characterized in that: directly paste weldering rolling angle iron (3) for 90 ° of angles, for non-90 ° of angles, then curve respective angles with steel plate and paste weldering; Paste the leg steel put in the basis and with its anchoring.
3. the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in bight according to claim 1, and it is characterized in that: the concrete column cross sectional shape is combined by circle, triangle, rectangle.
4. the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in bight according to claim 2, it is characterized in that: the concrete column cross sectional shape is combined to form the table tennis bat tee section or is combined to form the fusiformis cross section by rectangle and triangular-section for circular and square-section.
5. the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in bight according to claim 1; It is characterized in that: angle steel (3) welds for pasting with multi-cavity steel tube (1) type of attachment; The steel of angle steel adopt Q235, and thickness is 1/3 ~ 1/2 of multi-cavity steel tube steel plate thickness.
6. the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in bight according to claim 1, it is characterized in that: angle steel (3) height above ground level or flooring that connects usefulness is 1/3h, and h is the height of multi-cavity steel tube concrete post.
7. the concrete column that reinforcing cage multi-cavity body steel pipe is set in the leg steel chamber is pasted in bight according to claim 1, it is characterized in that: said reinforcing cage (4) is made up of vertical muscle and circle or ring-shaped stirrup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120574390 CN202627325U (en) | 2011-12-31 | 2011-12-31 | Concrete column with angle irons welded on corners and reinforcing cage and multi-cavity steel pipe arranged in cavity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120574390 CN202627325U (en) | 2011-12-31 | 2011-12-31 | Concrete column with angle irons welded on corners and reinforcing cage and multi-cavity steel pipe arranged in cavity |
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| CN202627325U true CN202627325U (en) | 2012-12-26 |
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| CN 201120574390 Expired - Fee Related CN202627325U (en) | 2011-12-31 | 2011-12-31 | Concrete column with angle irons welded on corners and reinforcing cage and multi-cavity steel pipe arranged in cavity |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535747A (en) * | 2011-12-31 | 2012-07-04 | 北京工业大学 | Multi-cavity concrete-filled steel tube column with angle bars bonded and welded at corners and reinforcing cages arranged in cavities and construction method of multi-cavity concrete-filled steel tube column |
| CN103806529A (en) * | 2014-01-15 | 2014-05-21 | 浙江杭萧钢构股份有限公司 | T-shaped steel pipe bunch combined structure |
| CN103850391A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Linear steel tube bundle composite structure |
| CN103850349A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Frame-steel pipe bundle combined structure system for industrial residential building |
| CN103850348A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Industrial steel tube bindle composite structure building system |
| CN103850366A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | C-shaped steel pipe bundle composite structure |
| CN103850347A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Steel pipe bundle combined structure system for industrial residential building |
| CN103850367A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | L-shaped steel pipe bundle composite structure |
| CN103967126A (en) * | 2014-03-31 | 2014-08-06 | 浙江杭萧钢构股份有限公司 | Steel tube bundle composite structure composed of H-shaped steel and C-shaped steel webs |
-
2011
- 2011-12-31 CN CN 201120574390 patent/CN202627325U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535747A (en) * | 2011-12-31 | 2012-07-04 | 北京工业大学 | Multi-cavity concrete-filled steel tube column with angle bars bonded and welded at corners and reinforcing cages arranged in cavities and construction method of multi-cavity concrete-filled steel tube column |
| CN103806529A (en) * | 2014-01-15 | 2014-05-21 | 浙江杭萧钢构股份有限公司 | T-shaped steel pipe bunch combined structure |
| CN103850391A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Linear steel tube bundle composite structure |
| CN103850349A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Frame-steel pipe bundle combined structure system for industrial residential building |
| CN103850348A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Industrial steel tube bindle composite structure building system |
| CN103850366A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | C-shaped steel pipe bundle composite structure |
| CN103850347A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | Steel pipe bundle combined structure system for industrial residential building |
| CN103850367A (en) * | 2014-01-15 | 2014-06-11 | 浙江杭萧钢构股份有限公司 | L-shaped steel pipe bundle composite structure |
| CN103967126A (en) * | 2014-03-31 | 2014-08-06 | 浙江杭萧钢构股份有限公司 | Steel tube bundle composite structure composed of H-shaped steel and C-shaped steel webs |
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Granted publication date: 20121226 Termination date: 20131231 |