CN106522468A - Confined concrete combination column - Google Patents
Confined concrete combination column Download PDFInfo
- Publication number
- CN106522468A CN106522468A CN201610905296.0A CN201610905296A CN106522468A CN 106522468 A CN106522468 A CN 106522468A CN 201610905296 A CN201610905296 A CN 201610905296A CN 106522468 A CN106522468 A CN 106522468A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- column
- shaped steel
- shaped
- confined concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a confined concrete combination column. The confined concrete combination column comprises square steel pipe columns, U-shaped steel pipe columns, L-shaped steel pipe columns and concrete columns. One square steel pipe column serves as a benchmark column, the U-shaped steel pipe columns are sequentially welded along the adjacent edges of each benchmark column, the L-shaped steel pipe columns are sequentially welded along the adjacent edges of each U-shaped steel pipe column, and a steel pipe bundle is formed; and all the square steel pipe columns of each steel pipe bundle are filled with concrete finally, so that the confined concrete combination column is formed. According to the confined concrete combination column, the defect that the ductility and the energy-dissipating capacity of a traditional reinforced concrete column are poor is overcome; meanwhile, the steel pipe concrete section form is improved, so that the bearing capacity of the confined concrete combination column is greatly improved, and the application range of the confined concrete combination column is greatly expanded; construction is convenient; the seismic resistance of the column is greatly improved; and the confined concrete combination column is suitable for being applied to high-rise buildings and buildings in areas high in seismic intensity.
Description
Technical field
The present invention relates to a kind of new steel-concrete coupled column, more particularly to a kind of new confined concrete coupled column.
Background technology
Pillar is the indispensable key member in all architectural structure systems, always domestic and international civil engineering scholar
The emphasis component of research, has carried out substantial amounts of research work with reinforced column and steel core concrete column as main object at present
Make.By improving post arrangement of reinforcement or steel tube performance, element bearing capacity is improved, improves pillar mechanical property, become the master of pillar research
Want one of direction.In recent years, China overwhelming majority structure still adopts reinforced column, but research to show, reinforced column
Under various new reinforcement schemes, although combination property increases, but comprehensive anti-seismic performance, failure by shear is serious, only passes through
Improve stirrup amount and form of reinforcement to improve coupling beam ductility and shear resistance be it is limited, and construct the configuration of complicated and reinforcing bar compared with
The close perfusion for being unfavorable for concrete.And for steel core concrete column, be of limited application and only apply relatively wide in terms of bridge at present,
When steel pipe tube wall is relatively thin, inside still needs to configuration reinforcement or shaped steel, constructs complex, and the steel tube concrete thicker for tube wall
Soil, can not reach steel pipe and the preferable compound action of concrete.The current combining form of steel core concrete column also compares simultaneously
It is single, it is difficult to apply when cross sectional shape is special, and effect of contraction plays not comprehensive.Therefore, develop a kind of new constraint to mix
Solidifying local soil type's zygostyle just become be applied to building in problem demanding prompt solution.
The content of the invention
The technical problem to be solved in the present invention is：A kind of steel-concrete coupled column, i.e. confined concrete coupled column are provided,
Overcome the shortcoming of conventional steel bar concrete post ductility and energy dissipation capacity difference, while improve concrete filled steel tube section form, so as to big
Improve greatly its range of application.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of confined concrete coupled column, including square bar tubing string, U-shaped steel pipe column, L-shaped steel pipe column and concrete column,
It is a benchmark post by a quadrate steel pipe column, is welded with U-shaped steel pipe column along the adjacent edge of benchmark post successively, along U-shaped steel pipe column
Adjacent edge on be welded with L-shaped steel pipe column successively, constitute steel pipe bundle, finally by Concrete Filled in each square steel pipe column of steel pipe bundle
In, form confined concrete coupled column.
Further, the U-shaped steel pipe column includes U-shaped opening, U-shaped opening adjacent edge and U-shaped opening relative edge；The L-shaped
Steel pipe column includes L-shaped steel pipe column side.
Preferably, the confined concrete coupled column is rectangle rod structure, benchmark post is located at confined concrete coupled column
A corner, respectively weld several U-shaped steel pipe columns along benchmark post horizontal direction and vertical direction and constitute side column, then in welding
Several L-shaped steel pipe columns in array distribution are welded on the inside of two side columns afterwards and forms final steel pipe bundle, finally by concrete
It is filled.
Further, the U-shaped opening and the welding of corner benchmark post adjacent two edges, U-shaped opening and U-shaped opening relative edge according to
Secondary welding；U-shaped opening adjacent edge that the L-shaped steel pipe column side is docked with two respectively, the U-shaped opening adjacent edges of two docking with
L-shaped steel pipe column while or two docking L-shaped steel pipe column while connect.
Preferably, the confined concrete coupled column is square rod structure, benchmark post is combined positioned at confined concrete
The middle part of post, respectively welds several U-shaped steel pipe columns along each edge direction of benchmark post and constitutes spinal column, then spinal column periphery after welding
Weld several L-shaped steel pipe columns and form final steel pipe bundle, be finally filled by concrete.
Further, the U-shaped opening and middle part benchmark post four edges welding, U-shaped opening are welded successively with U-shaped opening relative edge
Connect；U-shaped opening adjacent edge, the U-shaped opening adjacent edge of two docking and L-shaped that the L-shaped steel pipe column side is docked with two respectively
Steel pipe column while or two docking L-shaped steel pipe column while connect.
Preferably, the confined concrete coupled column is special-shaped column structure, benchmark post is located at confined concrete coupled column
A corner, respectively weld U-shaped steel pipe column along benchmark post horizontal direction and vertical direction and form final steel pipe bundle, finally by mixing
Solidifying soil is filled.
Further, the square bar tubing string, U-shaped steel pipe column and L-shaped steel pipe column are cold-formed thin-walled steel pipe, and single steel pipe
The length of side of post is no less than 100mm, not should be greater than 300mm.
Further, the square bar tubing string is square or rectangular structure；The rectangular steel tube vial wall is provided with out
Hole.
Further, the connection between the steel pipe is using the weldering welding of three skirts.
The invention has the beneficial effects as follows：
New confined concrete coupled column mainly provides bearing capacity jointly by confined concrete and steel plate, using steel pipe about
The good bearing capacity of beam concrete carries out shearing resistance with plastic deformation ability, has in polylith and fill out steel plate in pillar, to realize carrying
Power and the raising of anti-seismic performance, while enhancing bonding between the two, increase the contact area of steel plate and concrete, so as to protect
The collective effect of card steel plate and concrete improves the effect of contraction that concrete is subject to, and can significantly improve the shear-carrying capacity of pillar
With ductility energy dissipation capacity, so as to substantially improve the anti-seismic performance of common pillar.
New confined concrete coupled column simple structure, steel pipe bundle are completed factory is directly prefabricated, in present installation
Cast-in-place concrete afterwards, greatly facilitates construction, the shortcomings of eliminating the construction difficulty of ordinary reinforced concrete post and construct complicated；
And due to steel pipe bundle in each steel pipe equivalent to a concrete delivery pipe, therefore concrete is not easy isolation.Therefore phase
Compared with common steel tube concrete, steel pipe bundle concrete is made using splicing, and global sections are various informative, and each intracavity concrete
Section is less, and core space concrete is subject to more preferable effect of contraction, can preferably play the effect of concrete.While each chamber
Body is thin-wall steel tube, when pillar section is larger, it is not necessary to consider the Welding Problems of thick walled steel tube, the making of steel pipe bundle is also more
It is easy.
Under big shake effect, concrete reduces monolayer steel pipe in lotus repeatedly significantly to the effect of contraction of the built-in steel pipe of multilamellar
The problems such as lower easily generation flexing of load effect and unstability and high-strength concrete use limited.Simultaneously because new confined concrete
Coupled column is combined by many concrete filled steel tubes, and when pillar is subject to eccentric load and uneven load, stress is clear and definite,
Force analysis is simple.
The present invention absorbs the advantage of steel core concrete column, and bearing capacity is greatly improved, with higher plasticity and shock resistance
Can, obvious economic construction is simple, is substantially shorter the duration, and steel pipe is become apparent to the effect of contraction of core concrete, greatly
Improve greatly mechanical performance of concrete, and due to the embedded inside concrete of part steel pipe, more efficient can prevent outside the plane of steel plate
Destabilization problems.Simultaneously in terms of force analysis, the stress of steel pipe bundle concrete definitely, is analyzed more succinct.Can be each
Apply in planting shaped cross post, and popularization and application are able in the building in skyscraper and high earthquake intensity area.
Description of the drawings
Fig. 1 is square sectional concrete filled steel tube beam column section schematic diagram；
Fig. 2 is concrete filled steel rectangular tubes beam column section schematic diagram；
Square sectional concrete filled steel tube beam column section schematic diagram of the post at middle part on the basis of Fig. 3；
Fig. 4 is a kind of new confined concrete coupled column schematic cross-section of odd-shaped cross section；
Fig. 5 (a)-(c) is square bar tubing string, U-shaped steel pipe column and L-shaped section steel tubing string schematic diagram；
Fig. 6 carries out the Stress Map after finite element analyses for (a)-(c) to common square steel tube；
Fig. 7 is to carry out the load-displacement curve after finite element analyses to common square steel tube；
Fig. 8 carries out the Stress Map after finite element analyses for (a)-(c) to new confined concrete coupled column；
Fig. 9 is to carry out the load-displacement curve after finite element analyses to confined concrete coupled column of the present invention.
In figure：1 is square bar tubing string, and 2 is U-shaped steel pipe column, and 2-1 is U-shaped opening, and 2-2 is U-shaped opening adjacent edge, and 2-3 is
U-shaped opening relative edge, 3 is L-shaped steel pipe column, and 3-1 is L-shaped steel pipe column side；4 is concrete filled post.
Specific embodiment
With reference to instantiation and accompanying drawing, the present invention will be further described.It should be noted that following embodiments are only
It is limited to explanation of the invention, but does not limit the practical range of the present invention.The increasing of every structure made on the basis of this programme
Plus or with the replacement of same content, protection scope of the present invention all should be belonged to.
As shown in Fig. 1, Fig. 5 (a)-(c), a kind of embodiment of the confined concrete coupled column is steel pipe bundle concrete square
Rod structure, including square bar tubing string 1, U-shaped steel pipe column 2, L-shaped steel pipe column 3 and concrete filled post 4.Wherein, square bar tubing string 1
For square structure, using a benchmark post, two 2 structures of U-shaped steel pipe column are respectively welded along benchmark post horizontal direction and vertical direction
Into side column, then two side column lower rights after welding are welded four L-shaped steel pipe columns 3 and form final steel pipe bundle, finally by
Concrete is filled.
Wherein：Square bar tubing string 1 is the benchmark post of upper left corner post, is welded in 1 adjacent two edges of square bar tubing string successively
There is a U-shaped steel pipe column 2, U-shaped opening 2-1 of U-shaped steel pipe column 2 square side and adjacent U-shaped steel pipe successively with the shape steel pipe column 1
The U-shaped opening relative edge 2-3 of post 2 is relative to be connect；L-shaped steel pipe is welded with successively along the U-shaped opening adjacent edge 2-2 of U-shaped steel pipe column 2
Post 3, the L-shaped steel pipe column side 3-1 of L-shaped steel pipe column 3 connected with the U-shaped opening adjacent edge 2-2 of two docking respectively, and relative connect
U-shaped opening adjacent edge 2-2 and L-shaped steel pipe column connect in 3-1, or 3-1 connects during L-shaped steel pipe column with two docking；Constitute steel
Tube bank, is finally filled in each square steel pipe column of steel pipe bundle 1 by concrete, forms confined concrete coupled column.
As shown in Fig. 2 second embodiment of the confined concrete coupled column is steel pipe bundle concrete rectangular rod structure,
Equally include square bar tubing string 1, U-shaped steel pipe column 2, L-shaped steel pipe column 3, concrete filled post 4.Wherein：Square bar tubing string 1 is a left side
The benchmark post of upper corner post, then rectangle is formed with U-shaped steel pipe column 2 along welding perpendicular to the direction of square steel tube adjacent two edges
Two side columns in post, afterwards remainder carry out welding by 3 pairs of inside of L-shaped steel pipe column and remaining two side column and form final
Steel pipe bundle, is finally filled by concrete.
As shown in figure 3, the third embodiment of the confined concrete coupled column is tied for steel pipe bundle concrete squares post
Structure, the benchmark post of square bar tubing string 1 at the middle part of confined concrete coupled column, along 1 adjacent four edges of square bar tubing string according to
The secondary U-shaped steel pipe column 2 that is welded with constitutes spinal column, and then spinal column periphery after welding welds several L-shaped steel pipe columns (3) and formed most
Whole steel pipe bundle.U-shaped opening 2-1 of U-shaped steel pipe column 2 is relative with the square side of shape steel pipe column 1 successively to be connect；Along U-shaped steel pipe column 2
U-shaped opening adjacent edge 2-2 on be welded with L-shaped steel pipe column 3 successively, the L-shaped steel pipe column side 3-1 of L-shaped steel pipe column 3 respectively with two
The U-shaped opening adjacent edge 2-2 of docking connects, docks with respect to the U-shaped opening adjacent edge 2-2 and L-shaped steel pipe column side 3-1 for connecing or two
L-shaped steel pipe column side 3-1 connect；Steel pipe bundle is constituted, is finally filled in each square steel pipe column of steel pipe bundle 1 by concrete,
Form confined concrete coupled column.
As shown in figure 4, the 4th kind of embodiment of confined concrete coupled column is the concrete profiled rod structure of steel pipe bundle, bag
Include square bar tubing string 1, U-shaped steel pipe column 2, concrete filled post 4.Wherein：Square bar tubing string 1 is a corner benchmark post, then uses U
Shape steel pipe column 2 is finally filled by concrete along welding perpendicular to the direction of square steel tube adjacent two edges.
The benchmark post of the present invention is not merely square, can be rectangle, it is also possible to change the length of side of L-shaped and U-shaped post, with
Meet various sizes of combination.Steel pipe bundle concrete is combined by small bore steel core concrete column, can constitute multiple section many
Plant size post.Above-mentioned square bar tubing string 1, U-shaped steel pipe column 2 and L-shaped steel pipe column 3 are cold-formed thin-walled steel pipe；Company between steel pipe
Connect using three face weld all around welding.
The new confined concrete coupled column design of the present invention is structure as a whole, post on the basis of square column, and U-shaped post is side column, L
Shape post is relief post, finally again by Concrete Filled.Except several new confined concrete coupled column of the present embodiment, by several
Single-column can also constitute other kinds of Special-Shaped Column.
The present invention by being combined by above-mentioned various concrete filled steel tubes, using finite element method for simulating same size with match somebody with somebody
The common steel tube concrete column of steel rate and new confined concrete coupled column, such as analysis result Fig. 6 (a)-(c) -8 (a)-(c).It is logical
The Stress Map contrast of Fig. 6 (a)-(c) and Fig. 8 (a)-(c) is crossed, shows the deformation class of steel pipe bundle and common square steel tube
Seemingly, all deform for interlude, and for the concrete filled, the concrete in steel pipe bundle is good by protection situation, not
There is very big deformation failure.Meanwhile, Fig. 7 and Fig. 9 is contrasted, as a result shows that the ductility of new confined concrete coupled column is common
More than ten times of concrete filled steel tube, which has good deformability and ductility factor, with very strong anti-seismic performance.
The present invention is by being combined by above-mentioned multiple concrete filled steel tube pole units, bright in complex stress situation lower stress
Really, it is easy to force analysis, it is especially simpler in the force analysis to Special-Shaped Column.Compared to common steel tube concrete column,
No matter pillar sectional area is much, and thick walled steel tube is not in, while in whole interior also inbuilt steel tube, therefore which is absorbing steel pipe
While the excellent properties of concrete, more preferable anti-seismic performance, workability and the suitability is shown.
In order to ensure enough bearing capacitys and workability, the steel pipe in steel pipe bundle concrete is cold-formed thin-walled steel pipe,
And the length of side of single steel pipe column is no less than 90mm, 300mm is not should be greater than.In order to be able to better assure that steel plate and coagulation earth cooperation
Work, can carry out perforate in the interior steel pipe column of new confined concrete coupled column.
The construction technology of new confined concrete coupled column of the present invention：
Welding between the cold-formed thin-walled steel pipe and steel pipe of new confined concrete coupled column, can be in specialized steel
Structure company makes, and then transports to job site, need not carry out formwork, further casting concrete.
During using new confined concrete composite column structure, can its combine inner prop tube wall on punch, it is ensured that steel with
Effectively connection between concrete, after the completion of steel pipe bundle entire combination, is finally carried out integrated poured.By present invention design
New confined concrete coupled column, improves the energy dissipation capacity of pillar, improves anti-seismic performance, and convenient and quick construction, creates
Certain Social benefit and economic benefit.
Claims (10)
1. a kind of confined concrete coupled column, it is characterised in that：Including square bar tubing string (1), U-shaped steel pipe column (2), L-shaped steel pipe
Post (3) and concrete column (4), are a benchmark post by a quadrate steel pipe column (1), are welded along the adjacent edge of benchmark post successively
There is U-shaped steel pipe column (2), be welded with L-shaped steel pipe column (3) along the adjacent edge of U-shaped steel pipe column (2) successively, constitute steel pipe bundle, finally
By Concrete Filled in steel pipe bundle each square steel pipe column (1), confined concrete coupled column is formed.
2. confined concrete coupled column according to claim 1, it is characterised in that：Described U-shaped steel pipe column (2) include U-shaped
Opening (2-1), U-shaped opening adjacent edge (2-2) and U-shaped opening relative edge (2-3)；Described L-shaped steel pipe column (3) include L-shaped steel pipe
Post side (3-1).
3. confined concrete coupled column according to claim 2, it is characterised in that：The confined concrete coupled column is square
Shape rod structure, benchmark post are located at a corner of confined concrete coupled column, respectively weld along benchmark post horizontal direction and vertical direction
Connect several U-shaped steel pipe columns (2) and constitute side column, it is in array distribution then to weld several on the inside of two side columns after welding
L-shaped steel pipe column (3) forms final steel pipe bundle, is finally filled by concrete.
4. confined concrete coupled column according to claim 3, it is characterised in that：U-shaped opening (2-1) and corner base
Quasi- post adjacent two edges welding, U-shaped opening (2-1) are welded successively with U-shaped opening relative edge (2-3)；The L-shaped steel pipe column side
(3-1) U-shaped opening adjacent edge (2-2) respectively with two docking, the relative U-shaped opening adjacent edge (2-2) for connecing and L-shaped steel pipe columns
In the L-shaped steel pipe column of (3-1) or two docking, (3-1) connects.
5. confined concrete coupled column according to claim 2, it is characterised in that：The confined concrete coupled column is for just
Square rod structure, benchmark post are located at the middle part of confined concrete coupled column, respectively weld several U-shaped steel along each edge direction of benchmark post
Tubing string (2) constitutes spinal column, and then spinal column periphery after welding welds several L-shaped steel pipe columns (3) and forms final steel pipe bundle,
Finally it is filled by concrete.
6. confined concrete coupled column according to claim 5, it is characterised in that：U-shaped opening (2-1) and middle part base
Quasi- post four edges welding, U-shaped opening (2-1) are welded successively with U-shaped opening relative edge (2-3)；L-shaped steel pipe column side (3-1)
Respectively with two the U-shaped opening adjacent edges (2-2) for docking, the relative U-shaped opening adjacent edge (2-2) for connecing and L-shaped steel pipe column side (3-
1) the L-shaped steel pipe column side (3-1) of or two docking connects.
7. confined concrete coupled column according to claim 2, it is characterised in that：The confined concrete coupled column is different
Shape rod structure, benchmark post are located at a corner of confined concrete coupled column, respectively weld along benchmark post horizontal direction and vertical direction
Connect U-shaped steel pipe column (2) and form final steel pipe bundle, be finally filled by concrete.
8. confined concrete coupled column according to claim 1, it is characterised in that：Square bar tubing string (1), U-shaped steel
Tubing string (2) and L-shaped steel pipe column (3) are cold-formed thin-walled steel pipe, and the length of side of single steel pipe column is no less than 100mm, should not be big
In 300mm.
9. confined concrete coupled column according to claim 8, it is characterised in that：Described square bar tubing string (1) is pros
Shape or rectangle structure；Square bar tubing string (1) tube wall is provided with perforate.
10. confined concrete coupled column according to claim 8, it is characterised in that：Connection between the steel pipe is adopted
Welded with the weldering of three skirts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905296.0A CN106522468B (en) | 2016-10-17 | 2016-10-17 | A kind of confined concrete coupled column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905296.0A CN106522468B (en) | 2016-10-17 | 2016-10-17 | A kind of confined concrete coupled column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106522468A true CN106522468A (en) | 2017-03-22 |
| CN106522468B CN106522468B (en) | 2019-08-06 |
Family
ID=58332052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610905296.0A Active CN106522468B (en) | 2016-10-17 | 2016-10-17 | A kind of confined concrete coupled column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522468B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653261A (en) * | 2021-09-14 | 2021-11-16 | 北京天邦巨成科技有限公司 | Multi-cavity combined concrete-filled steel tube special-shaped column |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587577A (en) * | 2012-03-15 | 2012-07-18 | 天津大学 | Steel tube-I beam combination steel tube concrete special-shaped columns and manufacture method thereof |
| CN202831402U (en) * | 2012-08-13 | 2013-03-27 | 刘成建 | Concrete filled steel tubular column with inner-connected circular pipe and outer-sleeved concrete filled steel tube |
| CN103243860A (en) * | 2013-05-15 | 2013-08-14 | 北京航空航天大学 | Multi-chamber type steel pipe and concrete combined L-shaped column |
| CN103243861A (en) * | 2013-05-15 | 2013-08-14 | 北京航空航天大学 | Multi-chamber type steel pipe and concrete combined T-shaped column |
| CN103711256A (en) * | 2014-01-15 | 2014-04-09 | 北京工业大学 | Multi-cavity concrete filled steel tubular column with perforated inner diaphragms and implementation method of column |
| CN205531021U (en) * | 2016-04-18 | 2016-08-31 | 杭州铁木辛柯钢结构设计有限公司 | Post structure is restrainted to clod wash band steel pipe concrete |
| CN206091077U (en) * | 2016-10-17 | 2017-04-12 | 西安建筑科技大学 | Confined concrete combination column |
-
2016
- 2016-10-17 CN CN201610905296.0A patent/CN106522468B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587577A (en) * | 2012-03-15 | 2012-07-18 | 天津大学 | Steel tube-I beam combination steel tube concrete special-shaped columns and manufacture method thereof |
| CN202831402U (en) * | 2012-08-13 | 2013-03-27 | 刘成建 | Concrete filled steel tubular column with inner-connected circular pipe and outer-sleeved concrete filled steel tube |
| CN103243860A (en) * | 2013-05-15 | 2013-08-14 | 北京航空航天大学 | Multi-chamber type steel pipe and concrete combined L-shaped column |
| CN103243861A (en) * | 2013-05-15 | 2013-08-14 | 北京航空航天大学 | Multi-chamber type steel pipe and concrete combined T-shaped column |
| CN103711256A (en) * | 2014-01-15 | 2014-04-09 | 北京工业大学 | Multi-cavity concrete filled steel tubular column with perforated inner diaphragms and implementation method of column |
| CN205531021U (en) * | 2016-04-18 | 2016-08-31 | 杭州铁木辛柯钢结构设计有限公司 | Post structure is restrainted to clod wash band steel pipe concrete |
| CN206091077U (en) * | 2016-10-17 | 2017-04-12 | 西安建筑科技大学 | Confined concrete combination column |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653261A (en) * | 2021-09-14 | 2021-11-16 | 北京天邦巨成科技有限公司 | Multi-cavity combined concrete-filled steel tube special-shaped column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106522468B (en) | 2019-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202831402U (en) | Concrete filled steel tubular column with inner-connected circular pipe and outer-sleeved concrete filled steel tube | |
| CN104631659A (en) | Prefabricated assembling type composite plate type concrete double-connection shear wall with hidden supports | |
| CN207003652U (en) | A kind of compound concrete-filled tubular column and steel tube concrete beam composite frame structure | |
| CN102587538B (en) | Dog-bone type coupled shear wall with end plates, bolts and steel coupling beams | |
| CN206091077U (en) | Confined concrete combination column | |
| CN106869567A (en) | A kind of energy-dissipating type cold-formed thin-walled steel pipe concrete Lateral Resistant System | |
| CN104499572A (en) | Earthquake-resistant wall and steel beam connecting node | |
| CN103628571B (en) | Beam-column joint for reverse construction method and construction method | |
| CN103711329A (en) | Method for reinforcing structure by means of method of externally attaching steel-reinforced concrete framework | |
| CN102635177A (en) | Un-bonded concealed bracing type shear wall for reinforced concrete frame and construction method thereof | |
| CN108086592A (en) | A kind of detached column and construction method | |
| CN103883027B (en) | Composite shear wall formed by embedding energy-dissipation bars between frame and wall with inbuilt steel plate and construction method | |
| CN105908856A (en) | Prefabricated reinforcement concrete block T-shaped rib anti-buckling steel plate earthquake resistant wall | |
| CN103898981A (en) | Concrete-filled steel tube column foot prestress anchor bolt structure | |
| CN103953134B (en) | Shear wall with energy-consuming strips embedded between border and built-in steel plates and steel braces, and making method | |
| CN205875394U (en) | Antidetonation concrete beam column that dry process is connected | |
| CN107620429A (en) | A kind of square steel tube combined special-shaped column and its structural system | |
| CN106638957A (en) | Cold-formed thin-walled steel-structure house outer wall structure system | |
| CN102477799B (en) | Masonry structure integrity reinforcing method | |
| CN207633643U (en) | A kind of square steel tube combined special-shaped column and its structural system | |
| CN207700746U (en) | The upper buttress of existing building base isolation reinforcement constructs | |
| CN106522468B (en) | A kind of confined concrete coupled column | |
| CN104481164B (en) | The section steel reinforcement method of concrete frame node and add fixing structure | |
| CN208981823U (en) | A kind of reinforced column enlarging section reinforces vertical muscle in the connection for meeting Liang Chu | |
| CN106337512A (en) | The bottom reinforced concrete-filled steel tubular frame high-strength concrete composite shear wall and manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |