CN201635260U - Hollow steel tube-reinforced concrete superposed member - Google Patents
Hollow steel tube-reinforced concrete superposed member Download PDFInfo
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- CN201635260U CN201635260U CN2009202202252U CN200920220225U CN201635260U CN 201635260 U CN201635260 U CN 201635260U CN 2009202202252 U CN2009202202252 U CN 2009202202252U CN 200920220225 U CN200920220225 U CN 200920220225U CN 201635260 U CN201635260 U CN 201635260U
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- steel tube
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 187
- 239000010959 steel Substances 0.000 title claims abstract description 187
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 89
- 210000003205 muscle Anatomy 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a hollow steel tube-reinforced concrete superposed member which belongs to the technical field of civil and structural engineering. A steel tube is wrapped by outer reinforced concrete to form the superposed member, and the superposed member is a novel steel tube-concrete superposed member, in the steel tube of which concrete is not filled; the outer layer adopts the reinforced concrete, and the inner layer adopts the ordinary steel tube. The end surfaces of longitudinal bars, the concrete and the inner steel tube are flushed with one another, and the cores of the geometric cross sections of the outer reinforced concrete and the inner steel tube are superposed. The cross sections of the outer reinforced concrete and the inner steel tube are respectively shaped like the circle, the ellipse, the polygon or the like. While the superposed member has the advantages of the ordinary steel tube-concrete superposed member, the weight of the structure is greatly reduced, the bending rigidity of the structure is enhanced, the material function is sufficiently exerted, the construction cost of the structure is reduced, and meanwhile, the earthquake resistance and the fire resistance of the superposed member are enhanced. The utility model is widely applicable to large-diameter columns in piers and buildings and column members in other related high-rise structures.
Description
Technical field
The utility model belongs to the civil structure field of engineering technology, is specifically related to a kind of cored steel pipe-reinforced concrete superimposed member.
Background technology
Conventional steel tube concrete superposed member is to be formed by the steel concrete at middle part, cross section and the outer reinforced concrete sandwich of inner layer steel pipe; This class formation can effectively improve the supporting capacity of member, ductility and refractory ability, and reduce the member section size; Begun to use in, the highrise building many at some.Conventional hollow sandwich inner layer steel pipe concrete component is a concreting and forming between two inner layer steel pipes of placing with one heart; This class A of geometric unitA possesses the concrete principal advantages of solid inner layer steel pipe generally, also has from heavy and light and the big characteristics of rigidity, and because its inner layer steel pipe is subjected to concrete protection, makes this class A of geometric unitA can have better fire resistance; This class A of geometric unitA can be used as the stent strut of bridge pier, offshore platform structure, the major diameter post in the building, other relevant towering structure or its post and large-sized castinplace piles etc.But conventional hollow sandwich inner layer steel pipe concrete component is a concreting and forming between two inner layer steel pipes of placing with one heart, and the steel consumption is big, and decay resistance is undesirable.
Summary of the invention
The purpose of this utility model is to be concreting and forming between two inner layer steel pipes of placing with one heart at hollow sandwich inner layer steel pipe concrete component conventional in the prior art, the steel consumption is big, the unfavorable deficiency of decay resistance, and provide a kind of novel cored steel pipe-reinforced concrete superimposed member, it is characterized in that, described cored steel pipe-reinforced concrete superimposed member is made of outer steel concrete parcel steel pipe, fill concrete not in steel pipe; Described outer steel concrete constitutes cage of reinforcement by vertical muscle and stirrup, and concreting is formed.
Described steel pipe adopts common steel tube.
The steel pipe end face of described outer steel concrete and internal layer is equal, and the geometric centroid in outer steel concrete and inner layer steel pipe cross section overlaps.
The compound section of described cored steel pipe-reinforced concrete superimposed member comprises: outer steel concrete and inner layer steel pipe are circular cross-section; Or outer steel concrete is that circular cross-section, inner layer steel pipe are the square-section; Or outer steel concrete is that square-section, inner layer steel pipe are circular cross-section; Or outer steel concrete and inner layer steel pipe are the square-section; Or outer steel concrete and inner layer steel pipe are the square-section; Or outer steel concrete is that circular cross-section, inner layer steel pipe are the square-section; Or outer steel concrete is that square-section, inner layer steel pipe are the square-section; Or outer steel concrete and inner layer steel pipe are hexagonal cross-section; Or outer steel concrete and inner layer steel pipe are octagonal cross-section; Or outer steel concrete and inner layer steel pipe are the nose circle tee section; Or outer steel concrete and inner layer steel pipe are elliptic cross-section.
The beneficial effects of the utility model are: the steel tube concrete superposed member with respect to routine, greatly reduce dead load, and improved the bending rigidity of structure, give full play to the effect of material and save structural cost, improve its anti-seismic performance and fire resistance simultaneously; Hollow sandwich inner layer steel pipe concrete component with respect to routine can improve its fire resistance and decay resistance, is convenient to and being connected of concrete component, and is easy to decorate; Hollow reinforced concrete member with respect to routine need not set up inner formword, is convenient to construction, reduces cost, can improve its anti-seismic performance simultaneously.The reinforcing bar of outer steel concrete of the present utility model can adopt plain bars or high tensile reinforcement, concrete can be that ordinary concrete or compressive strength are high-strength concrete or the self-compacting concrete of 80-120MPa, inner layer steel pipe can adopt regular tenacity steel or the yield strength high-strength steel more than 550Mpa, and the ratio that can adopt inner layer steel pipe external diameter or the outer length of side and inner layer steel pipe wall thickness is the thin-walled inner layer steel pipe of 40-150, can further bring into play the advantage of inner layer steel pipe concrete laminated member, obtain better economic effect; This new structure can be applied to major diameter post and other relevant towering structure or its post member in bridge pier, the building.
Description of drawings
Fig. 1 is the structural plan figure of circular cross-section for outer steel concrete and inner layer steel pipe;
Fig. 2 is that circular cross-section, inner layer steel pipe are the structural plan figure of square-section for outer steel concrete;
Fig. 3 is that square-section, inner layer steel pipe are the structural plan figure of circular cross-section for outer steel concrete;
Fig. 4 is the structural plan figure of square-section for outer steel concrete and inner layer steel pipe;
Fig. 5 is the structural plan figure of square-section for outer steel concrete and inner layer steel pipe;
Fig. 6 is that circular cross-section, inner layer steel pipe are the structural plan figure of square-section for outer steel concrete;
Fig. 7 is that square-section, inner layer steel pipe are the structural plan figure of square-section for outer steel concrete;
Fig. 8 is the structural plan figure of hexagonal cross-section for outer steel concrete and inner layer steel pipe;
Fig. 9 is the structural plan figure of octagonal cross-section for outer steel concrete and inner layer steel pipe;
Figure 10 is the structural plan figure of nose circle tee section for outer steel concrete and inner layer steel pipe;
Figure 11 is the structural plan figure of elliptic cross-section for outer steel concrete and inner layer steel pipe;
Figure 12 is the structural perspective of circular cross-section for outer steel concrete and inner layer steel pipe;
Figure 13 is that circular cross-section, inner layer steel pipe are the structural perspective of square-section for outer steel concrete;
Figure 14 is that square-section, inner layer steel pipe are the structural perspective of circular cross-section for outer steel concrete;
Figure 15 is the structural perspective of square-section for outer steel concrete and inner layer steel pipe;
Figure 16 is the structural perspective of square-section for outer steel concrete and inner layer steel pipe;
Figure 17 is that circular cross-section, inner layer steel pipe are the structural perspective of square-section for outer steel concrete;
Figure 18 is that square-section, inner layer steel pipe are the structural perspective of square-section for outer steel concrete;
Figure 19 is the structural perspective of hexagonal cross-section for outer steel concrete and inner layer steel pipe;
Figure 20 is the structural perspective of octagonal cross-section for outer steel concrete and inner layer steel pipe;
Figure 21 is the structural perspective of nose circle tee section for outer steel concrete and inner layer steel pipe;
Figure 22 is the structural perspective of elliptic cross-section for outer steel concrete and inner layer steel pipe.
Number in the figure:
1-indulges muscle; The 2-stirrup; The 3-concrete; The 4-steel pipe.
The specific embodiment
The utility model provides a kind of cored steel pipe-reinforced concrete superimposed member, below by the drawings and specific embodiments the utility model is described further.
In Fig. 1-Figure 22, the cored steel pipe-reinforced concrete superimposed member is made of outer steel concrete parcel steel pipe 4, fill concrete 3 not in steel pipe 4; Outer steel concrete constitutes cage of reinforcement by vertical muscle 1 and stirrup 2, and concreting 3 is formed.The steel pipe of internal layer adopts common steel tube; Outer steel concrete is equal with the inner layer steel pipe end face, and the geometric centroid in outer steel concrete and inner layer steel pipe cross section overlaps.
Fig. 1-Figure 22 is respectively outer steel concrete and inner layer steel pipe is circular cross-section; Or outer steel concrete is that circular cross-section, inner layer steel pipe are the square-section; Or outer steel concrete is that square-section, inner layer steel pipe are circular cross-section; Or outer steel concrete and inner layer steel pipe are the square-section; Or outer steel concrete and inner layer steel pipe are the square-section; Or outer steel concrete is that circular cross-section, inner layer steel pipe are the square-section; Or outer steel concrete is that square-section, inner layer steel pipe are the square-section; Or outer steel concrete and inner layer steel pipe are hexagonal cross-section; Or outer steel concrete and inner layer steel pipe are octagonal cross-section; Or outer steel concrete and inner layer steel pipe are the nose circle tee section; Or outer steel concrete and inner layer steel pipe are the plane structure schematic diagram and the perspective view of elliptic cross-section.
Claims (4)
1. a cored steel pipe-reinforced concrete superimposed member is characterized in that, described cored steel pipe-reinforced concrete superimposed member is made of outer steel concrete parcel steel pipe, fill concrete not in steel pipe; Described outer steel concrete constitutes cage of reinforcement by vertical muscle and stirrup, and concreting is formed.
2. according to the described cored steel pipe-reinforced concrete superimposed member of claim 1, it is characterized in that described outer steel concrete is equal with the inner layer steel pipe end face, the geometric centroid in outer steel concrete and inner layer steel pipe cross section overlaps.
3. according to the described cored steel pipe-reinforced concrete superimposed member of claim 1, it is characterized in that the compound section of described cored steel pipe-reinforced concrete superimposed member comprises: outer steel concrete and inner layer steel pipe are circular cross-section; Outer steel concrete is that circular cross-section, inner layer steel pipe are the square-section; Outer steel concrete is that square-section, inner layer steel pipe are circular cross-section; Outer steel concrete and inner layer steel pipe are the square-section; Outer steel concrete and inner layer steel pipe are the square-section; Outer steel concrete is that circular cross-section, inner layer steel pipe are the square-section; Outer steel concrete is that square-section, inner layer steel pipe are the square-section; Outer steel concrete and inner layer steel pipe are hexagonal cross-section; Outer steel concrete and inner layer steel pipe are octagonal cross-section; Outer steel concrete and inner layer steel pipe are the nose circle tee section; Outer steel concrete and inner layer steel pipe are elliptic cross-section.
4. according to the described cored steel pipe-reinforced concrete superimposed member of claim 1, it is characterized in that the ratio of the described inner layer steel pipe external diameter or the outer length of side and inner layer steel pipe wall thickness is 40-150.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202202252U CN201635260U (en) | 2009-10-26 | 2009-10-26 | Hollow steel tube-reinforced concrete superposed member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202202252U CN201635260U (en) | 2009-10-26 | 2009-10-26 | Hollow steel tube-reinforced concrete superposed member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635260U true CN201635260U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202202252U Expired - Fee Related CN201635260U (en) | 2009-10-26 | 2009-10-26 | Hollow steel tube-reinforced concrete superposed member |
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| Country | Link |
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| CN (1) | CN201635260U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603434A (en) * | 2013-11-26 | 2014-02-26 | 香港华艺设计顾问(深圳)有限公司 | Transitional junction from concrete-filled steel tube combination column to reinforced concrete column |
| CN106193454A (en) * | 2016-07-29 | 2016-12-07 | 华南理工大学 | A kind of permanent template of post ultra-high performance concrete and preparation method thereof |
| CN113309293A (en) * | 2021-06-07 | 2021-08-27 | 四川大学 | Compound muscle reinforcing ECC-cross stiffening rib square steel tube hollow column |
-
2009
- 2009-10-26 CN CN2009202202252U patent/CN201635260U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603434A (en) * | 2013-11-26 | 2014-02-26 | 香港华艺设计顾问(深圳)有限公司 | Transitional junction from concrete-filled steel tube combination column to reinforced concrete column |
| CN103603434B (en) * | 2013-11-26 | 2016-08-17 | 香港华艺设计顾问(深圳)有限公司 | A kind of concrete filled steel tube coupled column is to the transition node of reinforced column |
| CN106193454A (en) * | 2016-07-29 | 2016-12-07 | 华南理工大学 | A kind of permanent template of post ultra-high performance concrete and preparation method thereof |
| CN113309293A (en) * | 2021-06-07 | 2021-08-27 | 四川大学 | Compound muscle reinforcing ECC-cross stiffening rib square steel tube hollow column |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20141026 |
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| EXPY | Termination of patent right or utility model |