CN206987197U - A kind of concrete filled steel tube coupled column - Google Patents
A kind of concrete filled steel tube coupled column Download PDFInfo
- Publication number
- CN206987197U CN206987197U CN201720882581.5U CN201720882581U CN206987197U CN 206987197 U CN206987197 U CN 206987197U CN 201720882581 U CN201720882581 U CN 201720882581U CN 206987197 U CN206987197 U CN 206987197U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- concrete
- wall
- coupled column
- stirrup
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- 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.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 118
- 239000010959 steel Substances 0.000 title claims abstract description 118
- 239000004567 concrete Substances 0.000 title claims abstract description 70
- 239000003351 stiffener Substances 0.000 claims abstract description 28
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a kind of concrete filled steel tube coupled column, hole is machined with steel pipe wall, stiffener and distributing bar are installed along the longitudinal direction outside steel pipe, steel pipe periphery is arranged at intervals stirrup simultaneously, stirrup is connected or welded with stiffener and distributing bar colligation, and lacing wire is provided at both ends with crotch, through two relative holes after be hooked in respectively on the distributing bar on the outside of hole, and be connected or weld with distributing bar colligation, in steel duct and outer wall casting concrete.The hole of steel pipe side wall can connect the concrete inside and outside steel pipe, at the same lacing wire can also fixing concrete, so as to effectively preventing the concrete shrinkage in steel pipe and cause steel pipe to be separated with concrete, ensure the service behaviour of coupled column.Stiffener is crisscross with stirrup, forms the skeleton of outer wall of steel pipe concrete, concrete is fixed on into outer wall of steel pipe, the concrete of outer wall has heat-blocking action, effectively can prevent heat from directly contacting steel pipe, improves the fire protecting performance of whole coupled column.
Description
Technical field
Building structure field, especially one kind is the utility model is related to avoid concrete from separating with steel pipe and improve fire resisting
The concrete filled steel tube coupled column of performance.
Background technology
With the rapid development of China's urban construction and the propulsion of building industrialization, skyscraper and large area plants
Demand is more and more.But traditional reinforced concrete structure due to poor seismic behavior the shortcomings of, it is difficult in big load, large span
The functional diversities of skyscraper are realized Deng under the conditions of, do not reach saving land, saving required by building industry developing direction more
Important indicator, the needs of Development of High-rise Buildings have been not suitable with it.And concrete filled steel tube passes through the fill concrete in steel pipe
And formed, the concrete of steel pipe and inside can bear external loads effect jointly, by by the combination of steel pipe and concrete, no
The shortcomings that two kinds of materials can only be made up each, and the advantages of the two can be given full play to, therefore concrete filled steel tube is
Through a kind of primary structure form as skyscraper.Traditional concrete filled steel tube is directly to pour into concrete in steel pipe
Portion, after concrete solidifies in steel pipe, its volume can reduce, and cause the concrete after solidification to be separated with steel pipe internal-surface, reduce
The structural behaviour of concrete filled steel tube.Simultaneously there is problem in exposed steel pipe fire line, once fire is run into, exposed steel pipe
Deformed under the influence of heat, the reliability of concrete filled steel tube will be directly affected, or even endanger whole building.Especially
It is the concrete filled steel tube pillar to play a supportive role, because it is acted on whole building structure for support, the requirement of its fire protecting performance is more
It is high.
Utility model content
Separate and cause structural with steel pipe after the concrete setting that the applicant is directed in existing concrete filled steel tube
It can reduce, and the problems such as exposed steel pipe fire protecting performance difference, there is provided a kind of concrete filled steel tube coupled column rational in infrastructure, effectively
Peeled off with steel pipe after avoiding concrete setting and reduce structural behaviour, while the fire protecting performance of coupled column can be improved.
Technical scheme is as follows used by the utility model：
A kind of concrete filled steel tube coupled column, including steel pipe and concrete, the steel pipe wall are machined with hole, steel pipe outside edge
Longitudinal direction installs stiffener and distributing bar, distributing bar are located at the position of hole opening；The steel pipe periphery is arranged at intervals
Stirrup, stirrup is welded with stiffener or colligation is connected；Lacing wire is provided at both ends with crotch, through two relative holes after respectively hook
It is connected or welds on the distributing bar on the outside of hole, and with distributing bar colligation；Poured in the steel duct and outer wall
Concrete.
Further improvement as above-mentioned technical proposal：
The stiffener is welded on outer wall of steel pipe.
The stirrup and distributing bar bind or welding.
The steel pipe is square or rectangular steel pipe, and the position in the hole that the relative wall of steel pipe opens up is relative.
The steel pipe is round steel pipe, and hole is opened in diametric both ends.
The hole is shaped as rectangle, square or circular.
Stiffener, distributing bar and the stirrup of the outer wall of steel pipe are all embedded in concrete.
The stirrup and the material of lacing wire are reinforcing bars.
The diameter of the distributing bar is less than or equal to the diameter of stiffener.
The beneficial effects of the utility model are as follows：
The utility model passes through in outer wall of steel pipe perforate, lacing wire through the distributing bar connection on the outside of relative Kong Bingyu
Hole connects the concrete inside and outside steel pipe, meanwhile, the fixed effect of support is played in lacing wire to concrete, effectively prevents from mixing in steel pipe
Steel pipe separates with concrete caused by coagulating native solidification shrinkage, ensures the structural behaviour of concrete filled steel tube coupled column.
The utility model installs stiffener along the longitudinal direction in outer wall of steel pipe, and stirrup is connected outside stiffener, indulges
The wrong stiffener of traversed by forms the skeleton of outer concrete with stirrup, and effectively solving concrete can not be effectively fixed in outside steel pipe
The problem of wall, while the concrete of outer wall has heat-blocking action, effectively can prevent heat from directly contacting steel pipe, improves whole group
The fire protecting performance of zygostyle.Stiffener also increases the stress area of section of coupled column simultaneously, and effective compensation steel pipe due to
Perforate and caused by structural behaviour lose, while stirrup and lacing wire can also strengthen the structure tension performance of steel pipe.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is the profile in Fig. 1 along the horizontal plane.
In figure：1st, steel pipe；2nd, stiffener；3rd, distributing bar；4th, stirrup；5th, lacing wire；6th, concrete；7th, hole.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is illustrated.
As depicted in figs. 1 and 2, steel pipe 1 of the present utility model is square or rectangular steel pipe, and the peripheral wall surfaces interval of steel pipe 1 four adds
Work has hole 7, and the position in the hole 7 of the relative wall of steel pipe 1 is relative, and hole 7 is shaped as rectangle, square or circular, preferably round
Shape.More stiffeners 2 and a distributing bar 3, stiffener 2 are installed along the longitudinal direction in 1 each lateral outer of steel pipe
Interruption is welded on the outer wall of steel pipe 1, and distributing bar 3 is located at the position in hole 7.The periphery of steel pipe 1 is arranged at intervals the stirrup 4 of ring-type, stirrup 4
It is connected or welds with stiffener 2 and the colligation of distributing bar 3.Lacing wire 5 is provided at both ends with crotch, through two relative holes 7
It is hooked in respectively afterwards on the distributing bar 3 in the outside of hole 7, and is connected or welds with the colligation of distributing bar 3.In the inside of steel pipe 1 and
Outside casting concrete 6, stiffener 2, distributing bar 3 and stirrup 4 are all embedded in the concrete 6 in the outside of steel pipe 1.Stirrup 4
Material with lacing wire 5 is reinforcing bar, and the diameter of distributing bar 3 is less than or equal to the diameter of stiffener 2.
In architectural engineering, first stiffener 2, distributing bar 3, stirrup 4, lacing wire 5 are fixedly mounted with steel pipe 1 and finished, so
The concrete 6 inside and outside steel pipe 1 is poured in factory or job site afterwards, completes concrete filled steel tube coupled column of the present utility model.
Because steel pipe 1 offers hole 7, therefore can inwardly it be poured from hole 7 when casting concrete, so as to ensure that concrete 6 is uniform
It is cast in the inside of steel pipe 1 and outside.Concrete 6 is shunk during solidification, due to the concrete 6 inside and outside steel pipe 1
Connected by hole 7, the concrete 6 inside and outside steel pipe 1 can ensure that the concrete 6 in steel pipe 1 is shrinking simultaneously to contract
During will not be separated with the wall of steel pipe 1, can also be to mixed in steel pipe 1 simultaneously because lacing wire 5 is in the interlaced arrangement of steel pipe 1
Solidifying soil 6 plays a part of support, can equally limit the concrete 6 inside steel pipe 1 and be separated with the wall of steel pipe 1, effectively solution
The problem of certainly concrete 6 separates with steel pipe 1 and causes the structural behaviour of reinforced concrete combination post to reduce.
Because the outer wall of steel pipe 1 is longitudinally provided with stiffener 2, stirrup 4 is horizontally installed with, stiffener 2 and stirrup 4 are formed
Crisscross network, concrete 6 can be fixed on the outer wall of steel pipe 1, had as the skeleton of the outer wall concrete 6 of steel pipe 1
Effect solves the problems, such as that concrete 6 can not be fixed in the smooth outer wall of steel pipe 1.When concrete 6 is fixed on the outer wall of steel pipe 1,
By the heat-blocking action of concrete, it can effectively prevent heat from directly contacting steel pipe 1, so as to improve the fire line of whole coupled column
Energy.Due to the outer wall perforate 7 of steel pipe 1, the mechanical property of steel pipe 1 is reduced, and the stiffener 2 of the outer wall of steel pipe 1 installation can be mended
The reduction of structural behaviour caused by the perforate of steel pipe 1 is repaid, and stiffener 2 also directly increases the stress of steel in coupled column
Area of section, the mechanical property of coupled column is improved, while stirrup 4 and lacing wire 5 can also strengthen the structure tension performance of coupled column.
Certainly, steel pipe 1 of the present utility model can also be round steel pipe, round steel pipe periphery install respectively stiffener 2,
Distributing bar 3 and stirrup 4, the hole 7 of round steel pipe are opened in diametric both ends, and lacing wire 5 passes through relative hole 7 and and stirrup
4 colligations connect.
Above description is to explanation of the present utility model, is not the restriction to utility model, without prejudice to the utility model
In the case of spirit, the utility model can make any type of modification.
Claims (9)
- A kind of 1. concrete filled steel tube coupled column, it is characterised in that：Including steel pipe（1）And concrete（6）, the steel pipe（1）Wall It is machined with hole（7）, steel pipe（1）Outside is installed by stiffener along the longitudinal direction（2）And distributing bar（3）, distributing bar（3）It is located at Hole（7）The position of opening；The steel pipe（1）Periphery is arranged at intervals stirrup（4）, stirrup（4）With stiffener（2）Welding or colligation Connection；Lacing wire（5）Crotch is provided at both ends with, through two relative holes（7）It is hooked in hole respectively afterwards（7）The distributing bar in outside （3）On, and and distributing bar（3）Colligation connects or welding；In the steel pipe（1）Internal and outer wall casting concrete（6）.
- 2. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The stiffener（2）It is welded on steel Pipe（1）Outer wall.
- 3. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The stirrup（4）With distributing bar（3） Bind or welding.
- 4. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The steel pipe（1）For square or rectangle Steel pipe, steel pipe（1）The hole that opens up of relative wall（7）Position it is relative.
- 5. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The steel pipe（1）For round steel pipe, hole （7）It is opened in diametric both ends.
- 6. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The hole（7）Be shaped as rectangle, side Shape or circle.
- 7. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The steel pipe（1）The reinforcement steel of outer wall Muscle（2）, distributing bar（3）And stirrup（4）All it is embedded in concrete（6）It is interior.
- 8. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The stirrup（4）And lacing wire（5）Material Matter is reinforcing bar.
- 9. according to the concrete filled steel tube coupled column described in claim 1, it is characterised in that：The distributing bar（3）Diameter it is small In or equal to stiffener（2）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720882581.5U CN206987197U (en) | 2017-07-20 | 2017-07-20 | A kind of concrete filled steel tube coupled column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720882581.5U CN206987197U (en) | 2017-07-20 | 2017-07-20 | A kind of concrete filled steel tube coupled column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206987197U true CN206987197U (en) | 2018-02-09 |
Family
ID=61415916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720882581.5U Expired - Fee Related CN206987197U (en) | 2017-07-20 | 2017-07-20 | A kind of concrete filled steel tube coupled column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206987197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237453A (en) * | 2017-07-20 | 2017-10-10 | 殷诗宝 | A kind of concrete filled steel tube coupled column |
| CN110886153A (en) * | 2019-12-11 | 2020-03-17 | 中铁第四勘察设计院集团有限公司 | Steel pipe concrete long sleeper and construction method thereof |
-
2017
- 2017-07-20 CN CN201720882581.5U patent/CN206987197U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237453A (en) * | 2017-07-20 | 2017-10-10 | 殷诗宝 | A kind of concrete filled steel tube coupled column |
| CN110886153A (en) * | 2019-12-11 | 2020-03-17 | 中铁第四勘察设计院集团有限公司 | Steel pipe concrete long sleeper and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |