CN201406795Y - Sleeve type hollow steel pipe concrete beam with rectangular section - Google Patents
Sleeve type hollow steel pipe concrete beam with rectangular section Download PDFInfo
- Publication number
- CN201406795Y CN201406795Y CN2009200197175U CN200920019717U CN201406795Y CN 201406795 Y CN201406795 Y CN 201406795Y CN 2009200197175 U CN2009200197175 U CN 2009200197175U CN 200920019717 U CN200920019717 U CN 200920019717U CN 201406795 Y CN201406795 Y CN 201406795Y
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- China
- Prior art keywords
- steel pipe
- inner sleeve
- concrete
- type hollow
- section
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a sleeve type hollow steel pipe concrete beam with rectangular section, which is characterized in that concrete is fully poured between a rectangular outer steel pipe and an inner sleeve, and the rectangular outer steel pipe and the inner sleeve are coaxially arranged; and the inner sleeve is hollow. The utility model has the advantages that: (1) As the rectangular outer steel pipe and the inner sleeve have confining effect, the compressive strength of the concrete of the beam is obviously improved; (2) the section of the beam is small, the self-weight is light, theindoor effective space is large; and (3) cables can be laid in the inner sleeve.
Description
Technical field
The application relates to building structure.
Background technology:
At present, reinforced concrete beam is used in building structure always, is characterized in easy construction, and is cheap, but from great, cross dimension is big, reduced the indoor usefull space; Though the prestressed steel reinforced concrete beam section is little, from heavy and light, construction is complicated, and use is restricted.Concrete filled steel tube is as a kind of new structure, the intensity height, and section is little, but is mainly used in compressed member such as pillar etc., does not make beam as yet and uses.How to reduce the cross dimension of beam, reduce the deadweight of beam, just need a kind of new structure beam of design.
Summary of the invention
The design's purpose is the cross dimensions that reduces beam, alleviates the deadweight of beam, improves the tensile strength of beam.Mentality of designing is that the section with encased structures makes rectangle, and intermediate hollow, makes the concrete-filled steel tubular hollow beam, is named bushing type concrete-filled steel tubular hollow rectangular cross section beam.The specific design scheme is:
Bushing type concrete-filled steel tubular hollow rectangular cross section beam is made up of the outer steel pipe of rectangle, concrete and inner sleeve, and manufacturing process is as follows:
1, the outer steel pipe of rectangle is lain in a horizontal plane on the solid smooth ground, offer several at its end face and build mouth, be used for concreting;
2, inner sleeve is inserted in the outer steel pipe of rectangle and remain coaxial, hoisted in position then;
3, build and exempt from vibration concrete from building mouth, up to water full till;
4, concrete is carried out maintenance, till reaching prescribed strength;
5, mouth is built in sealing, adopts the steel plate welded closure.
Inner sleeve can be tubing such as steel pipe, steel-plastics composite pipe, PVC-U pipe.
Good effect of the present utility model is:
(1) owing to the effect of looking about of outer steel pipe of rectangle and inner sleeve, the concrete compressive strength of beam obviously improves;
(2) section of beam is little, and from heavy and light, the indoor usefull space is big;
(3) inner sleeve can be used for laying cable.
Description of drawings
Fig. 1 is a bushing type concrete-filled steel tubular hollow rectangular cross section beam schematic diagram, among the figure: 1---and the outer steel pipe of rectangle; 2---exempt from vibration concrete; 3---inner sleeve.
The specific embodiment
As shown in Figure 1, on smooth solid ground, with outer steel pipe 1 horizontal positioned of rectangle, and offer several at its end face and build mouth, then inner sleeve 3 is inserted in the outer steel pipe 1 of rectangle and remains coaxial, after the hoisted in position, build and exempt from vibration concrete 2 from building mouth, water full maintenance, when concrete strength reaches prescribed strength, can adopt welding method, mouth is built in sealing, bushing type concrete-filled steel tubular hollow rectangular cross section beam.
Claims (1)
1, bushing type concrete-filled steel tubular hollow rectangular cross section beam is characterized in that between the steel pipe and inner sleeve, watering full concrete outside coaxial rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200197175U CN201406795Y (en) | 2009-03-24 | 2009-03-24 | Sleeve type hollow steel pipe concrete beam with rectangular section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200197175U CN201406795Y (en) | 2009-03-24 | 2009-03-24 | Sleeve type hollow steel pipe concrete beam with rectangular section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201406795Y true CN201406795Y (en) | 2010-02-17 |
Family
ID=41677727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200197175U Expired - Fee Related CN201406795Y (en) | 2009-03-24 | 2009-03-24 | Sleeve type hollow steel pipe concrete beam with rectangular section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201406795Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115872700A (en) * | 2022-11-29 | 2023-03-31 | 中南林业科技大学 | Concrete and hollow steel pipe concrete rectangular beam |
-
2009
- 2009-03-24 CN CN2009200197175U patent/CN201406795Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115872700A (en) * | 2022-11-29 | 2023-03-31 | 中南林业科技大学 | Concrete and hollow steel pipe concrete rectangular beam |
| CN115872700B (en) * | 2022-11-29 | 2023-11-17 | 中南林业科技大学 | Concrete and hollow steel tube concrete rectangular beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20110324 |