CN201507030U - Joint of concrete filled steel tubular column and reinforced concrete beam - Google Patents
Joint of concrete filled steel tubular column and reinforced concrete beam Download PDFInfo
- Publication number
- CN201507030U CN201507030U CN2009201079176U CN200920107917U CN201507030U CN 201507030 U CN201507030 U CN 201507030U CN 2009201079176 U CN2009201079176 U CN 2009201079176U CN 200920107917 U CN200920107917 U CN 200920107917U CN 201507030 U CN201507030 U CN 201507030U
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Abstract
A joint of a concrete filled steel tubular column and a reinforced concrete beam belongs to the field of building structures, and comprises the concrete filled steel tubular column (1) and the cast-in-situ reinforced concrete beam (2). The joint is characterized in that a longitudinal bar (3) in the beam is connected with the concrete filled steel tubular column (1) through a straight-through pull rod (4), steel sleeves (6) are sleeved at two ends of the straight-through pull rod and threaded with the longitudinal beam (3) in the beam, and hooped reinforcements (5) with 50-80mm space between each other are densely arranged in the joint area of the beam. When the joint serves as a side-column joint, one end of the straight-through pull rod (4) is welded on a ring plate (7). The joint does not require the field welding process, solves the difficulty in connection of reinforced concrete structure and concrete-filled steel structure, realizes simple construction and has the advantages of wide application in the building structure field and wide application prospect.
Description
Technical field
Steel core concrete column and steel concrete girder connection are a kind of node connected modes, belong to the building structure technology field.
Background technology
In civil construction project, use the history in existing more than 80 year of steel core concrete column, China is from nineteen fifty-nine the begin one's study performance and the application of steel core concrete column, steel core concrete column has characteristics such as high strength, superior performance, easy construction, the advantage of traditional member structure system is further brought into play, especially high-rise, stride greatly, in the building of heavy duty and antidetonation, can satisfy a series of requirements of design and construction preferably, in the high level of building field and super highrise building, be extensive use of at present.
The validity that steel core concrete column is connected with members such as beam, plates is the integrally-built rigidity of influence, stable and supporting capacity directly, also has influence on site operation difficulty and construction speed.Owing to the be connected complexity of steel core concrete column with beam, force path is unintelligible, and difficulty of construction is big, and our country does not also have perfect design of node and the theory of construction of a cover so far, the node connected mode of existing steel core concrete column and reinforced concrete beam is comparatively complicated, and field Welding technology is more.
The utility model content
Under the prerequisite that guarantees node power transmission validity, we have improved steel core concrete column and steel concrete girder connection connected mode by research, have reduced difficulty of construction.The utility model can provide a kind of field Welding technology few, and power transmission is clear and definite, the connected mode of convenient construction, and the side column node that this node connected mode both can be used for structure also can be used for king post joint, can be widely used in the antidetonation area.
Structure of the present utility model connects as shown in Figure 1, 2, comprises steel core concrete column 1 and cast-in-situ steel reinforced concrete beam 2; It is characterized in that: vertical muscle 3 links together by punching pull bar 4 and steel core concrete column 1 in the beam, and steel sleeve 6 is connected node area layout stirrup 5 in the beam after being enclosed within the two ends of punching pull bar 4 with vertical muscle 3 in the beam;
When node is the side column node, adopt ring flat-plate 7, punching pull bar 4 one ends are welded on the ring flat-plate in the side column end.
Stirrup 5 spacings are that 50-80mm gathers, to increase the node area shear behavior.
Adopt this node not need field Welding technology, easy construction.This node can make node shearing and moment of flexure effectively be delivered in the steel pipe column by the punching pull bar, and power transmission is clear and definite.This node has been simplified work progress greatly owing to adopted the sleeve pipe connection, has accelerated construction speed, can be widely used in building structure field, has broad application prospects.
Description of drawings
Fig. 1 is the king post joint elevation
Fig. 2 is a side column node elevation
Fig. 3 is the sectional view of Fig. 1 along A-A
Fig. 4 is the sectional view of Fig. 2 along B-B;
Among the figure: 1 steel core concrete column, 2 cast-in-situ steel reinforced concrete beams, vertical muscle in 3 beams, 4 punching pull bars, 5 stirrups, 6 steel sleeves, 7 ring flat-plates.
The specific embodiment
Steel core concrete column and steel concrete girder connection comprise steel core concrete column 1 and cast-in-situ steel reinforced concrete beam 2; It is characterized in that: vertical muscle 3 links together by punching pull bar 4 and steel core concrete column 1 in the beam, and steel sleeve 6 is connected node area layout stirrup 5 in the beam after being enclosed within the two ends of punching pull bar 4 with vertical muscle 3 in the beam.
Steel core concrete column and steel concrete girder connection be as shown in Figure 1: the steel pipe in the steel core concrete column 1 carries out perforate in steel work processing factory handles, punching pull bar 4 and steel sleeve 6 are carried out the processing of screw thread mantle fiber in advance, and thread bush filament length degree is greater than 100mm in the punching pull bar 4.Punching pull bar 4 is passed hole on the steel core concrete column 1, two ends put steel sleeve 6, after steel pipe is located in the steel core concrete column 1, vertical muscle 3 is threaded with steel sleeve 6 in the beam, carry out the colligation of stirrup 5 afterwards, spacing is 50-80mm, and reinforcing bar binding finishes in the back cast steel pipe and concrete in the beam in beam.
See Fig. 2 when for the side column node, other measures are just adopted ring flat-plate 7 with embodiment 1 in the side column end, punching pull bar 4 one ends are welded on the ring flat-plate, to increase anchoring property.
Claims (2)
1. steel core concrete column and steel concrete girder connection comprise steel core concrete column (1) and cast-in-situ steel reinforced concrete beam (2); It is characterized in that: vertical muscle (3) links together by punching pull bar (4) and steel core concrete column (1) in the beam, and steel sleeve (6) is threaded node area layout stirrup (5) in the beam after being enclosed within the two ends of punching pull bar (4) with vertical muscle (3) in the beam;
When node is the side column node, adopt ring flat-plate (7), punching pull bar (4) one ends are welded on the ring flat-plate in the side column end.
2. steel core concrete column according to claim 1 and steel concrete girder connection is characterized in that, the spacing of described stirrup (5) is 50-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201079176U CN201507030U (en) | 2009-05-06 | 2009-05-06 | Joint of concrete filled steel tubular column and reinforced concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201079176U CN201507030U (en) | 2009-05-06 | 2009-05-06 | Joint of concrete filled steel tubular column and reinforced concrete beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507030U true CN201507030U (en) | 2010-06-16 |
Family
ID=42468159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201079176U Expired - Fee Related CN201507030U (en) | 2009-05-06 | 2009-05-06 | Joint of concrete filled steel tubular column and reinforced concrete beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507030U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541433A (en) * | 2013-09-22 | 2014-01-29 | 沈阳建筑大学 | Fabricated concrete hooking type joint |
| CN103993671A (en) * | 2014-06-12 | 2014-08-20 | 中国建筑设计研究院 | Joint of concrete-filled steel-tubular column and steel beam and architectural structure system |
| CN104863271A (en) * | 2015-05-29 | 2015-08-26 | 重庆大学 | Concrete-filled steel tube column-reinforced concrete beam joint connection method |
-
2009
- 2009-05-06 CN CN2009201079176U patent/CN201507030U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541433A (en) * | 2013-09-22 | 2014-01-29 | 沈阳建筑大学 | Fabricated concrete hooking type joint |
| CN103541433B (en) * | 2013-09-22 | 2015-12-09 | 沈阳建筑大学 | Assembly concrete hook-hang type node |
| CN103993671A (en) * | 2014-06-12 | 2014-08-20 | 中国建筑设计研究院 | Joint of concrete-filled steel-tubular column and steel beam and architectural structure system |
| CN104863271A (en) * | 2015-05-29 | 2015-08-26 | 重庆大学 | Concrete-filled steel tube column-reinforced concrete beam joint connection method |
| CN104863271B (en) * | 2015-05-29 | 2018-02-02 | 重庆大学 | A kind of steel core concrete column reinforced beam joint connecting method |
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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: 20100616 Termination date: 20140506 |