CN203034351U - Round-end-shaped hollow steel pipe concrete column - Google Patents
Round-end-shaped hollow steel pipe concrete column Download PDFInfo
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- CN203034351U CN203034351U CN 201220612531 CN201220612531U CN203034351U CN 203034351 U CN203034351 U CN 203034351U CN 201220612531 CN201220612531 CN 201220612531 CN 201220612531 U CN201220612531 U CN 201220612531U CN 203034351 U CN203034351 U CN 203034351U
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- steel pipe
- circle shape
- nose circle
- concrete
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Abstract
The utility model relates to a round-end-shaped hollow steel pipe concrete column which comprises a round-end-shaped steel pipe. An isolating component is arranged in the round-end-pipe to form a hollow isolating cavity. Concrete is filled between the outer side wall of the isolating component and the inner side wall of the round-end-shaped steel pipe. The isolating component can be an inner steel pipe, and the geometrical center of the section of the inner steel pipe is coincided with that of the round-end-shaped steel pipe. An inner cavity of the inner steel pipe is a hollow isolating cavity, and concrete is filled into an interlayer of the inner steel pipe and the round-end-shaped steel pipe. The isolating component can be two tying steel boards welded in the round-end-shaped steel pipe, and the two tying steel boards divide the round-end-shaped steel pipe to be three spaces. The space between the two tying steel boards is a hollow isolating cavity, and concrete is filled into an interlayer of the tying steel boards and the round-end-shaped steel pipe. The round-end-shaped hollow steel pipe concrete column has the advantages of being convenient to construct, short in construction period, high in bearing capacity, good in economy, large in transverse stiffness, high in flexural rigidity, light in self weight, good in fire-resistant performance and the like.
Description
Technical field
The utility model relates to a kind of nose circle shape hollow steel tube concrete column.
Background technology
Nose circle shape concrete filled steel tube has advantages such as bearing capacity height, lateral stiffness are big, easy construction, short construction period.And municipal bridge engineering often has very strict requirement to the construction period, and simultaneously because the suitable bridge of bridge construction differs bigger to rigidity and direction across bridge rigidity, therefore the bridge pier of municipal bridge engineering often is designed to the nose circle tee section to improve the direction across bridge rigidity of structure.Therefore nose circle shape concrete pier of steel tube has potential application prospect in bridge construction.
But still find this class A of geometric unitA in actual the use there are the following problems to remain further research: the size of (1) member is generally bigger, and quality is also corresponding bigger, reduce the response under its geological process, must reduce its quality earlier; (2) steel pipe is exposed in the air, loses bearing capacity under fire effect easily.
The utility model content
The utility model makes improvements at the problem that above-mentioned prior art exists, and namely the technical problems to be solved in the utility model provides and a kind ofly can reduce dead load, the bending rigidity that improves structure and the nose circle shape hollow steel tube concrete column of fire endurance.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe.
Preferably, described insulating element is interior steel pipe, and the geometric centroid of described interior steel pipe and nose circle shape steel tube section overlaps, and the inner chamber of described interior steel pipe is the hollow separate space, in the interlayer in described concrete is filled between steel pipe and the nose circle shape steel pipe.
Preferably, the cross section of described interior steel pipe is nose circle shape or rectangle.
Preferably, described insulating element is the twice drawknot steel plate that is welded in the nose circle shape steel pipe, described twice drawknot steel plate is divided into three spaces with nose circle shape steel pipe, wherein the space between the twice drawknot steel plate is the hollow separate space, and described concrete is filled in the interlayer between drawknot steel plate and the nose circle shape steel pipe.
Preferably, be provided with longitudinal reinforcement between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe.
Preferably, the material of described nose circle shape steel pipe is common iron, stainless steel or fire-resistant steel.
Preferably, described concrete is ordinary concrete, regeneration concrete or high performance concrete.
Compared with prior art, the utlity model has following beneficial effect: (1) has easy construction, short construction period, good economy performance and bearing capacity advantages of higher; (2) dead load has obtained very big reduction; (3) give full play to properties of materials, anti-bending bearing capacity and the shear-carrying capacity of steel core concrete column all are improved: on the one hand, to drawing steel plate and outer steel pipe jointly concrete to be formed good effect of contraction, can improve concrete resistance to compression bearing capacity and shear-carrying capacity; On the other hand, interior steel pipe and to drawing the bending rigidity of setting up and can effectively improve member of steel plate; (4) good fire resistance properties: on the one hand, because core concrete has improved the fire endurance of longitudinal reinforcement and interior steel pipe greatly, thereby has improved the fire endurance of member the protective effect of longitudinal reinforcement and interior steel pipe; On the other hand, the use of fire-resistant steel also can further improve the fire endurance of member in addition.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the stereogram of the utility model embodiment one.
Fig. 2 is the stereogram of the utility model embodiment two.
Fig. 3 is the stereogram of the utility model embodiment three.
Fig. 4 is the stereogram of the utility model embodiment four.
Fig. 5 is the stereogram of the utility model embodiment five.
Fig. 6 is the stereogram of the utility model embodiment six.
Among the figure: steel pipe in the steel pipe in the 1-nose circle shape steel pipe, 2-nose circle shape, 3-rectangle, 4-concrete, 5-longitudinal reinforcement, 6-drawknot steel plate.
The specific embodiment
Embodiment one: as shown in Figure 1, a kind of nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe; Described insulating element is steel pipe in the nose circle shape, the geometric centroid of steel pipe and nose circle shape steel tube section overlaps in the described nose circle shape, the inner chamber of steel pipe is the hollow separate space in the described nose circle shape, and described concrete is filled in the nose circle shape in the interlayer between the steel pipe and nose circle shape steel pipe.During construction: placing of concrete interlayer in the nose circle shape steel pipe column that two geometric centroids overlap.
Embodiment two: as shown in Figure 2, a kind of nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe, be provided with longitudinal reinforcement between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe; Described insulating element is steel pipe in the nose circle shape, the geometric centroid of steel pipe and nose circle shape steel tube section overlaps in the described nose circle shape, the inner chamber of steel pipe is the hollow separate space in the described nose circle shape, and described concrete is filled in the nose circle shape in the interlayer between the steel pipe and nose circle shape steel pipe.During construction: in the interlayer of the nose circle shape steel pipe that two geometric centroids overlap, at first place longitudinal reinforcement, then the placing of concrete interlayer.
Embodiment three: as shown in Figure 3, a kind of nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe; Described insulating element is steel pipe in the rectangle, and the geometric centroid of steel pipe and nose circle shape steel tube section overlaps in the described rectangle, and the inner chamber of steel pipe is the hollow separate space in the described rectangle, and described concrete is filled in the rectangle in the interlayer between the steel pipe and nose circle shape steel pipe.During construction: placing of concrete interlayer in nose circle shape steel pipe column that geometric centroid overlaps and rectangle steel tubing string.
Embodiment four: as shown in Figure 4, a kind of nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe, be provided with longitudinal reinforcement between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe; Described insulating element is steel pipe in the rectangle, and the geometric centroid of steel pipe and nose circle shape steel tube section overlaps in the described rectangle, and the inner chamber of steel pipe is the hollow separate space in the described rectangle, and described concrete is filled in the rectangle in the interlayer between the steel pipe and nose circle shape steel pipe.During construction: in the interlayer of nose circle shape steel pipe column that geometric centroid overlaps and rectangular steel pipe, at first place longitudinal reinforcement, then the placing of concrete interlayer.
Embodiment five: as shown in Figure 5, a kind of nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe; Described insulating element is the twice drawknot steel plate that is welded in the nose circle shape steel pipe, described twice drawknot steel plate is divided into nose circle shape steel pipe in three spaces of two ends semicircle end shape and intermediate rectangular, wherein the coffin between the twice drawknot steel plate is the hollow separate space, and described concrete is filled in the interlayer between drawknot steel plate and the nose circle shape steel pipe (being in the semicircle end shape space at two ends).During construction: at first to drawing steel plate the steel pipe column inner space is divided into the space of two semicircle end tee sections and the space of a square-section in the inboard of nose circle shape steel pipe column welding twice, then concreting in the space of two semicircle end tee sections.
Embodiment six: as shown in Figure 6, a kind of nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe, be provided with longitudinal reinforcement between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe; Described insulating element is the twice drawknot steel plate that is welded in the nose circle shape steel pipe, described twice drawknot steel plate is divided into nose circle shape steel pipe in three spaces of two ends semicircle end shape and intermediate rectangular, wherein the coffin between the twice drawknot steel plate is the hollow separate space, and described concrete is filled in the interlayer between drawknot steel plate and the nose circle shape steel pipe (being in the semicircle end shape space at two ends).During construction: at first to drawing steel plate the steel pipe column inner space is divided into the space of two semicircle end tee sections and the space of a square-section in the inboard of nose circle shape steel pipe column welding twice, then in the space of two semicircle end tee sections, place longitudinal reinforcement in advance, at last concreting in the space of two semicircle end tee sections.
In each above-mentioned embodiment, the material of described nose circle shape steel pipe can adopt common iron, stainless steel or fire-resistant steel, and described concrete can adopt ordinary concrete, regeneration concrete or high performance concrete.
The above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (6)
1. nose circle shape hollow steel tube concrete column, comprise nose circle shape steel pipe, it is characterized in that: be provided with insulating element in the described nose circle shape steel pipe to form a hollow separate space, be filled with concrete between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe, be provided with longitudinal reinforcement between the inside wall of the lateral wall of described insulating element and nose circle shape steel pipe.
2. nose circle shape hollow steel tube concrete column according to claim 1, it is characterized in that: described insulating element is interior steel pipe, the geometric centroid of steel pipe and nose circle shape steel tube section overlaps in described, the inner chamber of steel pipe is the hollow separate space in described, in the interlayer in described concrete is filled between steel pipe and the nose circle shape steel pipe.
3. nose circle shape hollow steel tube concrete column according to claim 2 is characterized in that: the cross section of steel pipe is nose circle shape or rectangle in described.
4. nose circle shape hollow steel tube concrete column according to claim 1, it is characterized in that: described insulating element is the twice drawknot steel plate that is welded in the nose circle shape steel pipe, described twice drawknot steel plate is divided into three spaces with nose circle shape steel pipe, wherein the space between the twice drawknot steel plate is the hollow separate space, and described concrete is filled in the interlayer between drawknot steel plate and the nose circle shape steel pipe.
5. nose circle shape hollow steel tube concrete column according to claim 1, it is characterized in that: the material of described nose circle shape steel pipe is common iron, stainless steel or fire-resistant steel.
6. nose circle shape hollow steel tube concrete column according to claim 1, it is characterized in that: described concrete is ordinary concrete, regeneration concrete or high performance concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612531 CN203034351U (en) | 2012-11-20 | 2012-11-20 | Round-end-shaped hollow steel pipe concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612531 CN203034351U (en) | 2012-11-20 | 2012-11-20 | Round-end-shaped hollow steel pipe concrete column |
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| Publication Number | Publication Date |
|---|---|
| CN203034351U true CN203034351U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220612531 Expired - Fee Related CN203034351U (en) | 2012-11-20 | 2012-11-20 | Round-end-shaped hollow steel pipe concrete column |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967205A (en) * | 2014-05-08 | 2014-08-06 | 广东工业大学 | FRP (Fiber Reinforced Polymer) pipe-recycled concrete-steel pipe double-walled hollow combined member |
| CN104233948A (en) * | 2014-07-24 | 2014-12-24 | 中交公路长大桥建设国家工程研究中心有限公司 | Bridge tower or bridge pier with multi-compartment combined structure |
| CN104746494A (en) * | 2015-04-03 | 2015-07-01 | 山东科技大学 | Hollow interlining FRP-steel tube sea sand recycled concrete member |
-
2012
- 2012-11-20 CN CN 201220612531 patent/CN203034351U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967205A (en) * | 2014-05-08 | 2014-08-06 | 广东工业大学 | FRP (Fiber Reinforced Polymer) pipe-recycled concrete-steel pipe double-walled hollow combined member |
| CN104233948A (en) * | 2014-07-24 | 2014-12-24 | 中交公路长大桥建设国家工程研究中心有限公司 | Bridge tower or bridge pier with multi-compartment combined structure |
| CN104746494A (en) * | 2015-04-03 | 2015-07-01 | 山东科技大学 | Hollow interlining FRP-steel tube sea sand recycled concrete member |
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| Date | Code | Title | Description |
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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: 20130703 Termination date: 20151120 |
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| EXPY | Termination of patent right or utility model |