CN103243861A - Multi-chamber type steel pipe and concrete combined T-shaped column - Google Patents
Multi-chamber type steel pipe and concrete combined T-shaped column Download PDFInfo
- Publication number
- CN103243861A CN103243861A CN2013101787397A CN201310178739A CN103243861A CN 103243861 A CN103243861 A CN 103243861A CN 2013101787397 A CN2013101787397 A CN 2013101787397A CN 201310178739 A CN201310178739 A CN 201310178739A CN 103243861 A CN103243861 A CN 103243861A
- Authority
- CN
- China
- Prior art keywords
- rectangular steel
- steel pipe
- steel tube
- section
- 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.)
- Pending
Links
Images
Landscapes
- Rod-Shaped Construction Members (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a multi-chamber type steel pipe and concrete combined T-shaped column which consists of square and rectangular steel pipe profiles and concrete poured into the steel pipe profiles, wherein three or more rectangular steel pipe profiles are welded together to form a T-shaped sectional column; the whole section of the column is divided into multiple chambers through the three or more steel pipe profiles; and then the concrete is filled into the chambers. The steel pipes are the square and rectangular steel pipe profiles. Due to the multiple chambers, the mutual action of the steel pipes and the concrete is enhanced, the proportional limit of the height to thickness ratio of a flange to a web plate increases, and an application range of a load is enlarged; a 90-degree internal corner is eliminated, so that the bearing capacity of a structural piece is improved, and the seismic performance of the T-shaped column is improved; the welding work is less, and the T-shaped column is easy to manufacture and high in economical benefit; and the initial shortcomings of cold bending and welding of common steel plates are overcome, and therefore, the T-shaped column is more ideal in stress.
Description
Technical field
The invention belongs to building engineering field, be specially a kind of multi-chamber type steel tube concrete combination T shape post.
Background technology
Along with the raising of China's output of steel and the popularization of steel work use, steel house has obtained development rapidly in China.These steel houses adopt more Kuang Jia ?support system or Kuang Jia ?concrete shear force wall (core tube) system, pillar can adopt steel column, combined steel and concrete column and steel core concrete column.Wherein back two kinds of posts are compared with steel column as coupled column, can save steel, bring good economic benefit.And the construction technology complexity of combined steel and concrete column, the therefore present more steel core concrete column that adopted of system of steel residential structure.The sectional dimension of steel core concrete column is compared with traditional reinforced concrete post and is reduced greatly, but still exists pillar to protrude the problem of metope.Adopted hetermorphiscal column in reinforced concrete structure, thereby satisfied this building requirements, so concrete filled steel tube also proposed the concept of hetermorphiscal column, what wherein be applied to side column is the T section post.
Concrete filled steel tube T section post is that direct concreting forms in steel pipe, the general T-shaped section form of Ti Chuing as shown in Figure 1 the earliest, but having 90 ° inner corner trim in the cross section is the weak link of member stress, therefore in order to reduce inner corner trim to the adverse effect of steel core concrete column, some researchers have proposed different modification measures, as reinforcing bar stiffening rib, welding pin and pull bar etc. are set, shown in Fig. 2～4.Though these construction measures have improved the deficiency of general T-shaped section form to a certain extent, increased complexity and the manufacturing cost of member construction, be unfavorable for applying.Other has some researchers to propose Combination Welding T shape post, as shown in Figure 5, the construction of this kind section form is simple, but be subjected to concrete-filled rectangular steel tube aspect ratio maximum value and be 2 restriction, the limit value of the length depth ratio of the edge of a wing and web (h/b, H/a) is respectively 1.5 and 3, so the scope of bearing load is less.Present patent application person had also once proposed a kind of concrete filled steel tube T shape post, i.e. multi-chamber type steel tube concrete T shape post, its cross section as shown in Figure 6, chapped pipe is separated into three locellus by steel plate.Adopt the steel plate bending during making or directly be welded into two U-shaped steel by steel plate, and bent earlier by steel plate and afterwards to weld or directly be welded into a rectangular steel pipe by steel plate, the three is welded to each other forms the T section post together again, form at inner concreting at last.Though this kind section form can overcome the adverse effect of inner corner trim, steel plate bends, welding capacity is big, the shortcoming that processing charges is high but still exist.
Summary of the invention
The present invention has overcome the deficiency of existing concrete filled steel tube T section post, on the basis of taking all factors into consideration many-sided factors such as mechanical property, construction technology and economic benefit, has proposed multi-chamber type steel tube concrete combination T shape post.This section form can effectively strengthen steel pipe and concrete interaction, improved the stability of core concrete compressive strength and steel pipe, thereby ductility and the bearing capacity of member have been improved, and direct welded steel pipe section bar during construction, easy construction has also reduced the influence of initial imperfection, and member stress is more reasonable.
Multi-chamber type steel tube concrete combination T shape post of the present invention, by rectangle and or rectangular steel tube section bar and the concrete that is cast in the steel pipe section bar form, the cross section of described T shape post comprise three above rectangles and or the locellus of rectangular steel tube section bar, at first, according to design size cutting rectangle and or the rectangular steel tube section bar, again according to the Cross section Design size with the rectangle more than three and or the rectangular steel tube section bar be welded into T section, weld seam is according to " Technical code for design of coldformed thin wall steel structures " (GB50018 ?2002) design, adopt tubaeform weld seam, be arranged in rectangle and or the fillet place of rectangular steel tube, and assurance weldquality, at last rectangle and or rectangular steel tube in concreting, the pipe inner concrete is built and can be adopted the method for manually successively vibrating, the tremie placing method, pumping-up method or a high position leave does not have the method for vibrating.
Described rectangle and or the steel pipe section bar that dispatches from the factory for steel factory of rectangular steel tube section bar.
The cross section of described T shape post comprises the locellus of three rectangular steel pipe section bars, and wherein the edge of a wing comprises two rectangular steel pipes, and web comprises a rectangular steel pipe.
The cross section of described T shape post comprises the locellus of four rectangular steel pipe section bars, and wherein the edge of a wing comprises two rectangular steel pipes, and web comprises two rectangular steel pipes.
The cross section of described T shape post comprises the locellus of four rectangular steel pipe section bars and the locellus of a rectangular steel tube section bar, and wherein the edge of a wing comprises three rectangular steel pipes, and web comprises a rectangular steel pipe and a square steel pipe.
The cross section of described T shape post comprises the locellus of three rectangular steel pipe section bars and the locellus of three rectangular steel tube section bars, and wherein the edge of a wing comprises two rectangular steel pipes and two square steel pipes, and web comprises a rectangular steel pipe and a square steel pipe.
The invention has the advantages that:
(1) compare with the steel core concrete column (as circular, square-section form post) of common section form, multi-chamber type steel tube concrete makes up T shape post, has solved the problem of side column protrusion metope, has satisfied the requirement of building aspect.
(2) compare with common steel tube concrete T shape post (Fig. 1), because cutting apart of the multicell form of steel pipe, this section form has been eliminated 90 ° of inner corner trims to the weakening of teeprofile concrete section, can effectively strengthen steel pipe and concrete interaction, improve bearing of component, improved the anti-seismic performance of T shape post.
(3) compare with the concrete filled steel tube T shape post (Fig. 2,3,4) that is provided with construction measure, easy construction is easy to guarantee the construction quality of member reduced operating expenses, and is good in economic efficiency.
(4) compare with early stage simple combination post (Fig. 5), the high length depth ratio maximum value of limb that the high length depth ratio of limb (h/b, H/a) of T shape post can be extended to the 4(shaped rc columns is 4), thereby can bear bigger load, can adapt to bigger load scope.(CECS159:2004) middle concrete-filled rectangular steel tube side ratio should not be greater than 2 regulations because according to " concrete-filled rectangular steel tube structure technology rules ", the high length depth ratio maximum value of limb on the early stage simple combination post edge of a wing is 2, and the high length depth ratio maximum value of the limb of web is 3.
(5) compare with the multi-chamber type steel tube concrete T shape post (Fig. 6) in early stage, the steel pipe section bar has overcome the steel plate bending, welding capacity is big, the shortcoming that processing charges is high, and the initial deformation defect influence that causes can reduce to weld greatly the time of the steel pipe section bar that adopts.
Description of drawings
Fig. 1 is common steel tube concrete T shape column section schematic diagram in the background technology of the present invention;
Fig. 2 is the common steel tube concrete T shape column section schematic diagram that the reinforcing bar stiffening rib is set in the background technology of the present invention;
Fig. 3 is the common steel tube concrete T shape column section schematic diagram that the welding pin is set in the background technology of the present invention;
Fig. 4 is the common steel tube concrete T shape column section schematic diagram that pull bar is set in the background technology of the present invention;
Fig. 5 is Combination Welding T shape column section schematic diagram early stage in the background technology of the present invention;
Fig. 6 is the background technology of the present invention multi-chamber type steel tube concrete T shape column section schematic diagram of mid-early stage;
Fig. 7 is the multi-chamber type steel tube concrete combination T shape column section schematic diagram that the present invention is made up of three square steel tube section bars;
Fig. 8 is the multi-chamber type steel tube concrete combination T shape column section schematic diagram that the present invention is made up of four square steel tube section bars;
Fig. 9 is the multi-chamber type steel tube concrete combination T shape column section schematic diagram that the present invention is made up of five square steel tube section bars;
Figure 10 is the multi-chamber type steel tube concrete combination T shape column section schematic diagram that the present invention is made up of six square steel tube section bars;
Among the figure:
1-steel pipe section bar 2-concrete 3-weld seam 4-stiffening rib 5-pin 6-pull bar
The specific embodiment
Multi-chamber type steel tube concrete combination T shape post of the present invention, by rectangle and or rectangular steel tube section bar 1 and the concrete 2 that is cast in the steel pipe section bar form, the cross section of described T shape post comprise three above rectangles and or the locellus of rectangular steel tube section bar, at first, according to design size cutting rectangle and or the rectangular steel tube section bar, again according to the Cross section Design size with the rectangle more than three and or the rectangular steel tube section bar be welded into T section, weld seam 3 is according to " Technical code for design of coldformed thin wall steel structures " (GB50018 ?2002) design, adopt tubaeform weld seam, be arranged in rectangle and or the fillet place of rectangular steel tube, and assurance weldquality, at last rectangle and or rectangular steel tube in concreting, the pipe inner concrete is built and can be adopted the method for manually successively vibrating, the tremie placing method, pumping-up method or a high position leave does not have the method for vibrating.
The cross section of described T shape post comprises the locellus of three rectangular steel pipe section bars, and wherein the edge of a wing comprises two rectangular steel pipes, and web comprises a rectangular steel pipe.
The cross section of described T shape post comprises the locellus of four rectangular steel pipe section bars, and wherein the edge of a wing comprises two rectangular steel pipes, and web comprises two rectangular steel pipes.
The cross section of described T shape post comprises the locellus of four rectangular steel pipe section bars and the locellus of a rectangular steel tube section bar, and wherein the edge of a wing comprises three rectangular steel pipes, and web comprises a rectangular steel pipe and a square steel pipe.
The cross section of described T shape post comprises the locellus of three rectangular steel pipe section bars and the locellus of three rectangular steel tube section bars, and wherein the edge of a wing comprises two rectangular steel pipes and two square steel pipes, and web comprises a rectangular steel pipe and a square steel pipe.。
Be example with Fig. 7, earlier with first weld seam 3.1 and second weld seam 3.2 with steel pipe 1.1 and steel pipe 1.2 welding, and need weld seam 3.2 polishings, make it concordant with steel pipe 1.1,1.2 external surface, weld together with the 3rd weld seam 3.3, the 4th weld seam 3.4 and steel pipe 1.3 again.Fluid concrete in steel pipe then.The pipe inner concrete is built and can be adopted the method for manually successively vibrating, tremie placing method, pumping-up method or a high position to leave not have the method for vibrating.
。
Claims (6)
1. a multi-chamber type steel tube concrete makes up T shape post, it is characterized in that: by rectangle and or rectangular steel tube section bar and the concrete that is cast in the steel pipe section bar form, the cross section of described T shape post comprise three above rectangles and or the locellus of rectangular steel tube section bar, at first, according to design size cutting rectangle and or the rectangular steel tube section bar, again according to the Cross section Design size with the rectangle more than three and or the rectangular steel tube section bar be welded into T section, weld seam is according to " Technical code for design of coldformed thin wall steel structures " (GB50018 ?2002) design, adopt tubaeform weld seam, be arranged in rectangle and or the fillet place of rectangular steel tube, and assurance weldquality, at last rectangle and or rectangular steel tube in concreting, the pipe inner concrete is built the employing method of manually successively vibrating, the tremie placing method, pumping-up method or a high position leave does not have the method for vibrating.
2. multi-chamber type steel tube concrete according to claim 1 combination T shape post is characterized in that: described rectangle and or the steel pipe section bar that dispatches from the factory for steel factory of rectangular steel tube section bar.
3. multi-chamber type steel tube concrete according to claim 1 makes up T shape post, and it is characterized in that: the cross section of described T shape post comprises the locellus of three rectangular steel pipe section bars, and wherein the edge of a wing comprises two rectangular steel pipes, and web comprises a rectangular steel pipe.
4. multi-chamber type steel tube concrete according to claim 1 makes up T shape post, and it is characterized in that: the cross section of described T shape post comprises the locellus of four rectangular steel pipe section bars, and wherein the edge of a wing comprises two rectangular steel pipes, and web comprises two rectangular steel pipes.
5. multi-chamber type steel tube concrete according to claim 1 makes up T shape post, it is characterized in that: the cross section of described T shape post comprises the locellus of four rectangular steel pipe section bars and the locellus of a rectangular steel tube section bar, wherein the edge of a wing comprises three rectangular steel pipes, and web comprises a rectangular steel pipe and a square steel pipe.
6. multi-chamber type steel tube concrete according to claim 1 makes up T shape post, it is characterized in that: the cross section of described T shape post comprises the locellus of three rectangular steel pipe section bars and the locellus of three rectangular steel tube section bars, wherein the edge of a wing comprises two rectangular steel pipes and two square steel pipes, and web comprises a rectangular steel pipe and a square steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101787397A CN103243861A (en) | 2013-05-15 | 2013-05-15 | Multi-chamber type steel pipe and concrete combined T-shaped column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101787397A CN103243861A (en) | 2013-05-15 | 2013-05-15 | Multi-chamber type steel pipe and concrete combined T-shaped column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103243861A true CN103243861A (en) | 2013-08-14 |
Family
ID=48923709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101787397A Pending CN103243861A (en) | 2013-05-15 | 2013-05-15 | Multi-chamber type steel pipe and concrete combined T-shaped column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103243861A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049756A (en) * | 2016-05-20 | 2016-10-26 | 西安建筑科技大学 | Multi-cavity concrete filled steel tube composite column adopting rectangular steel tubes and manufacturing method |
| CN106522468A (en) * | 2016-10-17 | 2017-03-22 | 西安建筑科技大学 | Confined concrete combination column |
| CN107299722A (en) * | 2017-08-17 | 2017-10-27 | 北京汇筑建筑科技有限公司 | Concrete-filled rectangular steel tube Special-Shaped Column and its construction method |
| CN108104262A (en) * | 2016-11-24 | 2018-06-01 | 重庆市中科大业建筑科技有限公司 | A kind of docking mode of clod wash multi-cavity steel tube concrete Special-Shaped Column |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257222A (en) * | 1993-03-08 | 1994-09-13 | Nippon Steel Corp | Building using steel pipe post |
| CN2895592Y (en) * | 2006-04-06 | 2007-05-02 | 沈阳建筑大学 | Steel-tube concrete special-shape column |
| CN101555721A (en) * | 2009-05-06 | 2009-10-14 | 北京航空航天大学 | Multi-chamber type steel tube concrete special-shaped column |
| 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 |
-
2013
- 2013-05-15 CN CN2013101787397A patent/CN103243861A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257222A (en) * | 1993-03-08 | 1994-09-13 | Nippon Steel Corp | Building using steel pipe post |
| CN2895592Y (en) * | 2006-04-06 | 2007-05-02 | 沈阳建筑大学 | Steel-tube concrete special-shape column |
| CN101555721A (en) * | 2009-05-06 | 2009-10-14 | 北京航空航天大学 | Multi-chamber type steel tube concrete special-shaped column |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049756A (en) * | 2016-05-20 | 2016-10-26 | 西安建筑科技大学 | Multi-cavity concrete filled steel tube composite column adopting rectangular steel tubes and manufacturing method |
| CN106522468A (en) * | 2016-10-17 | 2017-03-22 | 西安建筑科技大学 | Confined concrete combination column |
| CN106522468B (en) * | 2016-10-17 | 2019-08-06 | 西安建筑科技大学 | A kind of confined concrete coupled column |
| CN108104262A (en) * | 2016-11-24 | 2018-06-01 | 重庆市中科大业建筑科技有限公司 | A kind of docking mode of clod wash multi-cavity steel tube concrete Special-Shaped Column |
| CN107299722A (en) * | 2017-08-17 | 2017-10-27 | 北京汇筑建筑科技有限公司 | Concrete-filled rectangular steel tube Special-Shaped Column and its construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101555721B (en) | Multi-chamber type steel tube concrete special-shaped column | |
| CN201351308Y (en) | Concrete special-shaped column equipped with solid-web steel plates-steel reinforced concrete beam frame joint | |
| US9856614B1 (en) | Aseismic combined pier | |
| CN102995756B (en) | Concrete-filled rectangular steel tube column-box girder full-bolt connection node and construction method | |
| CN105064529A (en) | Prefabricated and assembled large-board shear wall structure with concealed bracings | |
| CN102661010B (en) | Composite shear wall | |
| CN103243860A (en) | Multi-chamber type steel pipe and concrete combined L-shaped column | |
| CN103924680A (en) | Precast concrete beam and square-rectangular concrete-filled steel tube column combining joint employing unbonded prestressed and ordinary reinforcement for connection | |
| CN103243861A (en) | Multi-chamber type steel pipe and concrete combined T-shaped column | |
| CN112982142A (en) | Cold-formed thin-walled steel web plate combined PC box girder | |
| CN202202412U (en) | Rectangular steel pipe concrete special-shaped column-steel beam framework middle node | |
| CN201351314Y (en) | Concrete special-shaped column equipped with solid-web steel plates-reinforced concrete beam frame joint | |
| CN205894370U (en) | Steel framework composition steel sheet shear wall structure system in steel construction house | |
| CN111335464A (en) | Fabricated concrete structure beam column connecting node and construction method thereof | |
| CN103696607B (en) | A kind of prestressing force assembling slab column system with bracing members and construction method thereof | |
| CN105220792A (en) | A kind of prefabricated concealed bracings energy-consuming shear wall and assemble method thereof | |
| CN107816126B (en) | Assembled concrete embedded prefabricated column and prefabricated balcony | |
| CN103397721B (en) | The two plate shear wall of steel plate precast concrete | |
| CN203334423U (en) | Rebar joint structure of prefabricated stacked balcony slab and main body | |
| CN202202413U (en) | Rectangular steel tube concrete special-shaped column and steel beam frame corner node | |
| JP2016094766A (en) | Building frame construction method | |
| CN204645318U (en) | A kind of overlaid plate type shear wall | |
| CN201351312Y (en) | Concrete special-shaped column equipped with solid-web steel plates-steel reinforced beam frame joint | |
| CN205822507U (en) | A kind of steel plate combined shear wall | |
| CN207469514U (en) | A kind of assembly concrete shear wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130814 |