CN203307937U - Concrete column and steel beam rigidity node construction - Google Patents
Concrete column and steel beam rigidity node construction Download PDFInfo
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- CN203307937U CN203307937U CN201320316079XU CN201320316079U CN203307937U CN 203307937 U CN203307937 U CN 203307937U CN 201320316079X U CN201320316079X U CN 201320316079XU CN 201320316079 U CN201320316079 U CN 201320316079U CN 203307937 U CN203307937 U CN 203307937U
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Abstract
The utility model relates to a concrete column and steel beam rigidity node construction, which comprises a concrete capital and an I-shaped steel beam, and is characterized in that the top of the concrete capital is designed into an L shape; a base plate is pre-buried in the horizontal end of the L-shaped concrete capital; the bottom flange of the I-shaped steel beam is fixed with the horizontal end of the L-shaped concrete capital through base plate connecting bolts and the base plate; two L-shaped pre-buried connecting pieces are arranged in the vertical end of the L-shaped concrete capital; a connecting piece horizontal steel plate is connected with the top flange of the I-shaped steel beam through bolt welding combination; a connecting piece vertical stiffening plate is fixed with an I-shaped steel beam web through bolts. The concrete column and steel beam rigidity node construction has the advantages that the structural integrity is good, safety and reliability can be realized, the construction is convenient, and excellent anti-seismic property is realized.
Description
Technical field
The utility model relates to a kind of concrete column and girder steel syndeton, particularly the rigid joint of a kind of reinforced concrete post and i-shape steel beam structure.Belong to technical field of structural engineering, be applicable to industry and be rigidly connected with concrete column and girder steel in civilian construction.
Background technology
The plurality of advantages such as high-strength light, plasticity good toughness, speed of application are fast, good looking appearance are arranged due to steel building, and steel work has obtained development rapidly, more and more with the application in civilian construction in industry.At some, newly construct the factory buildings and greatly across venue, also have the enlarging of some transformation projects and add in layer construction, the connection of increasing steel work and concrete structure appears, for example connection of girder steel and concrete column, and these connect mostly and connect by chemical anchor bolts or expansion bolt.The stability of girder steel and concrete column reinforcing joint structure coupling stiffness and structure is closely related, simultaneously structural internal force and displacement is produced to material impact.Guaranteeing in the reliable situation of node security, node can pass to concrete column to the bending and shearing that beam produces, and can according to passing on moment of flexure, the connected mode of node can be divided into and is articulated and connected and rigidly connects connection.
China is in industry and civilian construction structural steel design at present, it is mainly by chemical anchor bolts or expansion bolt, the girder steel end plate to be fixed on concrete column that concrete column is connected with the girder steel rigid joint, the junction plate stretched out on end plate adopts high-strength bolt to be connected with steel beam web plate, the upper bottom flange bevel of girder steel adopts butt welded seam to be connected with end plate, but because the ease of connection of Nodes expansion bolt or chemical anchor bolts and concrete column occurs loosening, if on end plate, do not add vertical stiffener simultaneously, end plate easily bends, and more difficultly reaches actual being rigidly connected.
In sum, the combination construction of steel work and concrete structure is more and more with the application in civilian construction in industry, but quality problems often appear in the connection of bi-material member.Make i-shape steel beam and concrete column can reach good connection, need at present a kind of structural integrity of invention is good, safe and reliable, have good anti-seismic performance concrete column and girder steel rigid joint structure badly.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, proposes a kind of structural integrity is good, safe and reliable, have good anti-seismic performance concrete column and girder steel rigid joint structure.
In order to realize above-mentioned technical purpose, the utility model has adopted following technical scheme:
A kind of concrete column and girder steel rigid joint structure, comprise concrete capital and i-shape steel beam, it is characterized in that, the concrete column capital is set to " L " type, the horizontal end of L-type concrete capital is embedded with backing plate, and the i-shape steel beam bottom flange fixes by backing plate connecting bolt and backing plate and the horizontal end of L-type concrete capital; The perpendicular end of L-type concrete capital is provided with two built-in connections, and built-in connection is " L " type, and the horizontal steel plate of connector welds in conjunction with being connected by bolt with the i-shape steel beam top flange, and the connector vertical stiffener fixes by bolt and i shaped steel web.
Further, built-in connection is positioned at i shaped steel web both sides, is preset with the bolt spacing hole on the horizontal steel plate of built-in connection and vertical stiffener.
On backing plate and i-shape steel beam bottom flange, be reserved with the bolt spacing hole, aperture is than the large 3 ~ 5mm of backing plate connecting bolt external diameter, and the backing plate connecting bolt runs through backing plate and the horizontal end 300 ~ 500mm of L-type concrete capital is imbedded in the girder steel bottom flange.
The end that described backing plate and built-in connection embed L-type concrete capital is provided with stiffener, and stiffener and backing plate, built-in connection are by being welded to connect.
The utlity model has following characteristics and beneficial effect:
(1) built-in connection is " L " type, and the horizontal steel plate of connector and i-shape steel beam top flange are bolted, and the connector vertical stiffener, is stablized firmly in conjunction with being connected with the weldering of i shaped steel web bolt.
(2) the backing plate connecting bolt runs through backing plate and the capital certain depth is imbedded in the girder steel bottom flange, can strengthen the bonding strength of girder steel bottom flange and concrete column.
(3) the i-shape steel beam top flange is connected by the perpendicular end of built-in connection and L-type concrete capital with web, the i-shape steel beam bottom flange is connected with the horizontal end of L-type concrete capital by the backing plate connecting bolt, overall structure realizes being rigidly connected of concrete and girder steel, easy construction, have good anti-seismic performance simultaneously.
(4) backing plate and built-in connection are embedded in the end welding stiffener in L-type concrete capital in advance, can effectively improve pre-buried quality and the coupling stiffness of backing plate and built-in connection.
The accompanying drawing explanation
Fig. 1 is the utility model concrete column and girder steel rigid joint structural texture schematic diagram;
Fig. 2 is L-type built-in connection schematic diagram.
In figure: 1-L type concrete capital, 2-i shaped steel web, 3-web connecting bolt, 4-i-shape steel beam bottom flange, 5-backing plate connecting bolt, 6-backing plate hold-down nut, the 7-backing plate, the 8-built-in connection, 9-i-shape steel beam top flange, 10-stiffener, 11-connector connecting bolt, the 12-i-shape steel beam, the horizontal steel plate of 13-connector, 14-connector vertical stiffener.
The specific embodiment
In welding procedure on built-in connection, the present embodiment such as pre-buried technique of bolt, be not repeated, specifically set forth the embodiment that the utility model relates to structure.
Fig. 1 is the utility model concrete column and girder steel rigid joint structural texture schematic diagram, and Fig. 2 is the schematic diagram of L-type built-in connection.
With reference to Fig. 1, concrete column and girder steel rigid joint shown in Figure 2, construct, mainly by L-type concrete capital 1, built-in connection 8, backing plate 7, backing plate connecting bolt 5, i-shape steel beam 12, stiffener 10, formed.
I-shape steel beam 12 is comprised of i shaped steel web 2, i-shape steel beam top flange 9, i-shape steel beam bottom flange 4, i-shape steel beam 12 adopts the common i iron of hot rolling, for 360mm, width, is highly that 136mm, waist thickness are 10mm, the average thick 15.8mm of leg, inner arc radius 12.0mm, leg end arc radius 6.0mm.
L-type concrete capital 1 lower end, planar dimension is 400 * 300mm, the upper end planar dimension is 200 * 300mm, high 360mm.Backing plate 7 is embedded in L-type concrete capital 100 ~ 200mm in advance.Backing plate 7 planar dimensions are 300 * 200mm, and employing thickness is that 10mm, strength grade are that the steel plate of Q345 is made, default 4 backing plate connecting bolt spacing holes on backing plate 7 and i-shape steel beam bottom flange 4, and aperture is than the large 5mm of backing plate connecting bolt 5 external diameter.Backing plate connecting bolt 5 runs through backing plate 7 and the L-type concrete capital 1 horizontal end 300 ~ 500mm in top is imbedded in i-shape steel beam bottom flange 4.Backing plate connecting bolt 5 is highly 500mm, and the employing diameter is 30mm, and strength grade is that the indented bars customization of Q345 forms.
Built-in connection 8 is " L " type, is set to two, is positioned at i shaped steel web 2 both sides, its width is 200mm, and level is 60mm to length, and vertical extension is 80mm, be embedded in L-type concrete capital 1 interior 100mm, employing thickness is that 10mm, strength grade are that the steel plate of Q235 is made.The spacing hole of reserved 3 connector connecting bolts 11 on it, aperture is than the large 5mm of bolt external diameter.The horizontal steel plate 13 of connector is connected by connector connecting bolt 11 with i-shape steel beam top flange 9, and connector vertical stiffener 14 welds in conjunction with being connected by bolt with i shaped steel web 2.
The end that backing plate 7 and built-in connection 8 embed L-type concrete capital 1 has respectively 5 and 6 stiffeners 10, stiffener adopts the Q235 steel, thickness of slab 8mm, high 300mm, bottom width 150mm, stiffener 10 is welded to connect with backing plate 7, built-in connection 7, and the stiffener 10 on backing plate 7 can be arranged on top, below or the side of backing plate 7.
Backing plate connecting bolt 5 one ends stretch in L-type concrete capital 1, and the other end passes backing plate 7, i-shape steel beam bottom flange 4 is fastening by backing plate hold-down nut 6; By the spacing hole on built-in connection 8, with connector connecting bolt 11, with web connecting bolt 3, built-in connection 8 is connected with i shaped steel web 2, i-shape steel beam top flange 9, form concrete column and girder steel rigid joint structure.
Claims (4)
1. a concrete column and girder steel rigid joint structure, comprise concrete capital and i-shape steel beam, it is characterized in that, the concrete column capital is set to " L " type, the horizontal end of L-type concrete capital is embedded with backing plate, and the i-shape steel beam bottom flange fixes by backing plate connecting bolt and backing plate and the horizontal end of L-type concrete capital; The perpendicular end of L-type concrete capital is provided with two built-in connections, and built-in connection is " L " type, and the horizontal steel plate of connector welds in conjunction with being connected by bolt with the i-shape steel beam top flange, and the connector vertical stiffener fixes by bolt and i shaped steel web.
2. concrete column according to claim 1 and girder steel rigid joint structure, is characterized in that built-in connection is positioned at i shaped steel web both sides, is preset with the bolt spacing hole on the horizontal steel plate of built-in connection and vertical stiffener.
3. concrete column according to claim 1 and girder steel rigid joint are constructed, it is characterized in that being reserved with the bolt spacing hole on backing plate and i-shape steel beam bottom flange, aperture is than the large 3 ~ 5mm of backing plate connecting bolt external diameter, and the backing plate connecting bolt runs through backing plate and the horizontal end 300 ~ 500mm of L-type concrete capital is imbedded in the girder steel bottom flange.
4. concrete column according to claim 1 and girder steel rigid joint structure, is characterized in that an end of described backing plate and built-in connection embedding L-type concrete capital is provided with stiffener, and stiffener and backing plate, built-in connection are by being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320316079XU CN203307937U (en) | 2013-05-31 | 2013-05-31 | Concrete column and steel beam rigidity node construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320316079XU CN203307937U (en) | 2013-05-31 | 2013-05-31 | Concrete column and steel beam rigidity node construction |
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| Publication Number | Publication Date |
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| CN203307937U true CN203307937U (en) | 2013-11-27 |
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| CN201320316079XU Expired - Fee Related CN203307937U (en) | 2013-05-31 | 2013-05-31 | Concrete column and steel beam rigidity node construction |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320601A (en) * | 2016-08-22 | 2017-01-11 | 沈阳建筑大学 | Prefabricated concrete integral thermal-bridge-free plate wall and vertical connecting method thereof |
| CN106894509A (en) * | 2017-04-15 | 2017-06-27 | 苏州中海建筑设计有限公司 | The connecting joint structure and construction method of column and girder steel |
| CN108222281A (en) * | 2018-02-09 | 2018-06-29 | 北京建筑大学 | A kind of Fabricated Beam-Slab connection structure and method |
| CN109098281A (en) * | 2018-09-30 | 2018-12-28 | 田间 | A kind of precast concrete beam column involvement binding structure and connection method |
| CN113152276A (en) * | 2021-03-22 | 2021-07-23 | 崔冰 | Passive anti-crack reinforced prefabricated bridge deck connection structure and design method thereof |
-
2013
- 2013-05-31 CN CN201320316079XU patent/CN203307937U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320601A (en) * | 2016-08-22 | 2017-01-11 | 沈阳建筑大学 | Prefabricated concrete integral thermal-bridge-free plate wall and vertical connecting method thereof |
| CN106320601B (en) * | 2016-08-22 | 2018-11-02 | 沈阳建筑大学 | Assembly concrete is whole without heat bridge board wall and its vertical connection method |
| CN106894509A (en) * | 2017-04-15 | 2017-06-27 | 苏州中海建筑设计有限公司 | The connecting joint structure and construction method of column and girder steel |
| CN108222281A (en) * | 2018-02-09 | 2018-06-29 | 北京建筑大学 | A kind of Fabricated Beam-Slab connection structure and method |
| CN108222281B (en) * | 2018-02-09 | 2023-06-30 | 北京建筑大学 | Assembled beam plate connecting structure and method |
| CN109098281A (en) * | 2018-09-30 | 2018-12-28 | 田间 | A kind of precast concrete beam column involvement binding structure and connection method |
| CN113152276A (en) * | 2021-03-22 | 2021-07-23 | 崔冰 | Passive anti-crack reinforced prefabricated bridge deck connection structure and design method thereof |
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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: 20131127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |