CN203008137U - Concrete-filled steel tubular column and reinforced concrete beam top joint connection structure - Google Patents
Concrete-filled steel tubular column and reinforced concrete beam top joint connection structure Download PDFInfo
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- CN203008137U CN203008137U CN 201220724581 CN201220724581U CN203008137U CN 203008137 U CN203008137 U CN 203008137U CN 201220724581 CN201220724581 CN 201220724581 CN 201220724581 U CN201220724581 U CN 201220724581U CN 203008137 U CN203008137 U CN 203008137U
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Abstract
The utility model relates to the technical field of structure construction, in particular to a concrete-filled steel tubular column and reinforced concrete beam top joint connection structure which comprises a concrete-filled steel tubular column and a reinforced concrete beam connected with the same. The concrete-filled steel tubular column comprises a steel tube. A circular stiffening plate and vertical stiffening ribs are disposed in the steel tube. A column-end transition plate is arranged outside the steel tube and is connected with an upper main bar connecting plate on the upper portion of the reinforced concrete beam and a lower main bar connecting plate on the lower portion of the reinforced concrete beam through high-strength bolts. A joint shear rebar is arranged at the connection of two adjacent reinforced concrete beams. The high-strength bolts for connection are applied to the concrete-filled steel tubular column and reinforced concrete beam joint, concrete is cast, stress and plastic deformation performances of the beam and column are enhanced, field welding quantity is low, construction is simple, and the concrete-filled steel tubular column and reinforced concrete beam top joint connection structure has the advantages of high extensibility, simplicity in production and installation, convenience in seismic rehabilitation and the like and has promising application prospect in the fields of large public buildings and the like.
Description
Technical field
The utility model relates to technical field of structural engineering, is specifically related to a kind of steel core concrete column and reinforced concrete beam top mode syndeton.
Background technology
In prior art, steel core concrete column and steel concrete beam connecting node are more ripe.At present, the domestic existing a lot of steel core concrete columns that adopt are connected the case history that section steel beam connects with reinforced concrete beam: the annular bracket that welds on steel pipe column and reinforced concrete beam master muscle are welded to connect; Or the junction plate that welds on steel pipe column and the direct welding of reinforced concrete beam master muscle etc.
The annular bracket that welds on above-mentioned steel pipe column or junction plate are all directly to be connected with the main muscle of reinforced concrete beam, although simple in structure, but these connected modes can not solve the problem of the stressed and plastic strain (power consumption) of engineering beam-column well, running under the rarely occurred earthquake load action, the bean column node rigidity is unfavorable for too by force the slippage of consuming energy, be easy to destroyedly, and in prior art, stressed research and the joint structure data for steel core concrete column and steel concrete beam connecting node is few.Along with the increase of longspan structure demand, steel core concrete column and reinforced concrete beam syndeton are used more and more.But the complex structure of Frame Joints of Concrete-Filled Steel Tube and of a great variety, the domestic needs that still do not have so far the widely applicable structural form of a cover and corresponding computational methods to satisfy the encased structures development.
Summary of the invention
The purpose of this utility model is exactly the defective for prior art, proposes a kind of steel core concrete column and reinforced concrete beam top mode syndeton, and this structure can effectively strengthen the stressed and plastic deformation ability of beam column.
the technical solution adopted in the utility model is: a kind of steel core concrete column and reinforced concrete beam top mode syndeton, comprise steel core concrete column and connected reinforced concrete beam, steel core concrete column comprises steel pipe, be provided with ring stiffener in described steel pipe, ring stiffener and steel pipe junction are provided with vertical stiffening rib, the outside position corresponding with ring stiffener of described steel pipe laterally is provided with the styletable rebound, described reinforced concrete beam top is provided with main muscle junction plate, the bottom is provided with lower main muscle junction plate, one end of upper main muscle junction plate and lower main muscle junction plate has some slotted holes, on, the styletable rebound at lower two ends is connected with an end that is connected main muscle junction plate with upper main muscle junction plate respectively by high-strength bolt, upper placing of reinforcement in the other end of upper main muscle junction plate and lower main muscle junction plate and described reinforced concrete beam, lower placing of reinforcement connects, the plain concrete region of adjacent two reinforced concrete beams is provided with the node shear reinforcement.
Preferably, establish waist muscle and stirrup in described reinforced concrete beam, waist muscle transverse weld is on the steel pipe tube wall, and the whole Sectional Dimension of Reinforced Concrete Beam of stirrup parcel is until main muscle junction plate place.
Preferably, described outer wall of steel pipe is fixed with peg.
Preferably, offer air-vent on described ring stiffener.
Preferably, after described high-strength bolt is installed, filled polyurethane organic material in the gap of slotted hole.
Preferably, described node shear reinforcement comprises the U-shaped reinforcing bar of shearing resistance, C steel bar and reinforcing bar fixture, the bending segment at two ends, C steel bar up and down respectively with the styletable rebound bottom welding at two ends, up and down, and fix the laterally interspersed oblique reinforcing bar in the outside of C steel bar with the reinforcing bar fixture.
Preferably, the U-shaped reinforcing bar of described shearing resistance and reinforcing bar fixture all are fixed on the steel pipe sidewall.
After each structure in above-mentioned steel core concrete column and reinforced concrete beam was installed, welds well, concreting, formed an integral body at the construction field (site).
The utility model arranges lateral stiffening plate and vertical stiffening rib in steel pipe, strengthened the ability that steel pipe column meets with stresses, steel pipe arranged outside rebound, adopt slotted hole and high-strength bolt to be connected between the main muscle junction plate of establishing on rebound and reinforced concrete beam, strengthened the plastic deformation ability of beam column.When running into the earthquake beam column and be subject to impacting, high-strength bolt has certain slide displacement in slotted hole, and the impact force that beam column is subject to has certain cushioning effect, thereby can prevent that beam column is destroyed, the situation of total Collapse occurs.
The utility model steel core concrete column adopts slotted hole to be connected with high-strength bolt with the steel concrete beam connecting node, reach concreting on beam in pipe, the Site Welding amount is less, construction is simple, have that ductility is good, fabrication and installation are easy, be convenient to shake the advantages such as rear reparation, have a good application prospect in fields such as large public buildings.
Description of drawings
Fig. 1 is the utility model plane structure schematic diagram.
Fig. 2 be in Fig. 1 A-A to cross-sectional view.
Fig. 3 be in Fig. 1 B-B to cross-sectional view.
Fig. 4 be in Fig. 1 C-C to cross-sectional view.
Fig. 5 be in Fig. 1 D-D to cross-sectional view.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments, be convenient to be well understood to the present invention, but they do not consist of restriction to the present invention.
As shown in Figure 1, the utility model comprises steel core concrete column 1 and the reinforced concrete beam 2 that is attached thereto, be provided with the node shear reinforcement in the plain concrete region of the junction of reinforced concrete beam 2 and steel core concrete column 1, the node shear reinforcement forms concrete ring to overall structure with the node area concrete.
As shown in Figure 2, steel core concrete column 1 comprises steel pipe 101, be provided with ring stiffener 102 in steel pipe 101, offer concreting hole 103 on ring stiffener 102, ring stiffener 102 is provided with vertical stiffening rib 106 with the bottom of steel pipe 101 junctions, the outside position corresponding with ring stiffener 102 of steel pipe 101 laterally is provided with styletable rebound 104, and steel pipe 101 external stabilities have peg 105.
As Fig. 4, shown in Figure 5, the styletable rebound 104 of upper/lower terminal is connected with the lower main muscle junction plate 302 that is connected reinforced concrete beam 2 bottoms with the upper main muscle junction plate 301 that is located at reinforced concrete beam 2 tops respectively by high-strength bolt 304, upper main muscle junction plate 301 and lower main muscle junction plate 302 are provided with the slotted hole 303 that can supply high-strength bolt 304 to pass, after high-strength bolt 304 is installed, filled polyurethane organic material 305 in the gap of slotted hole 303.
As shown in Figure 3, described reinforced concrete beam 2 tops are provided with placing of reinforcement 201, the bottom is provided with lower placing of reinforcement 203, upper placing of reinforcement 201, lower placing of reinforcement 203 are connected with upper main muscle junction plate 301, lower main muscle junction plate 302 respectively, establish waist muscle 202 and rectangle hoop 204 in reinforced concrete beam 2, waist muscle 202 is connected with steel pipe 101, and rectangle hoop 204 is installed on whole reinforced concrete beam 2 cross sections until with main muscle junction plate parcel.
As Fig. 2, shown in Figure 5, the node shear reinforcement comprises shear reinforcement 401, C steel bar 402 and reinforcing bar fixture 403, the bending segment at C steel bar two ends Shang Xia 402 is welded on respectively the bottom of two ends, up and down styletable rebound 104, and fixing with reinforcing bar fixture 403, the laterally interspersed oblique reinforcing bar 404 in the outside of C steel bar 402.Shear reinforcement 401 and reinforcing bar fixture 403 all are fixed on steel pipe 101 sidewalls.
The utility model fabrication and installation process is: produce in factory steel pipe 101, section welding ring stiffener 102 and vertical stiffening rib 106 are within it reserved the air-vent 103(double concreting hole of doing on ring stiffener 102), at steel pipe external welding styletable rebound 104 and peg 105.Upper main muscle junction plate 301, lower main muscle junction plate 302 are made together with upper placing of reinforcement 201 in reinforced concrete beam 2, lower placing of reinforcement 203 respectively, are welded to connect, and according to the beam steel row, corresponding main muscle rebound up and down can arrange one or two.In the middle of reinforced concrete beam 2, waist muscle 202 welds with steel pipe 101, and rectangle hoop 204 is connected with middle waist muscle 202, and runs through whole reinforced concrete beam 2.Steel pipe styletable rebound 104 is connected by slotted hole 303, high-strength bolt 304 with upper and lower main muscle rebound 301,302, after welding high-strength bolt 304, and filled polyurethane organic material 305 in the gap of slotted hole 303.Steel pipe 101 outside welding shear reinforcement 401 and reinforcing bar fixtures 403, bean column node is the interior C steel bar 402 of arranging of plain concrete region of configuration reinforcement not, it is fixing that C steel bar 402 passes through reinforcing bar fixture 403, simultaneously at the laterally interspersed oblique reinforcing bar 404 in the C steel bar outside.After above-mentioned each Member Welding, location and installation at the construction field (site), then concreting forms an integral body.
Claims (7)
1. a steel core concrete column and reinforced concrete beam top mode syndeton, comprise steel core concrete column (1) and the reinforced concrete beam (2) that is connected with steel core concrete column (1), steel core concrete column (1) comprises steel pipe (101), be provided with ring stiffener (102) in described steel pipe (101), ring stiffener (102) is provided with vertical stiffening rib (106) with steel pipe (101) junction, it is characterized in that: the position corresponding with ring stiffener (102), described steel pipe (101) outside laterally is provided with styletable rebound (104), described reinforced concrete beam (2) top is provided with main muscle junction plate (301), the bottom is provided with lower main muscle junction plate (302), one end of upper main muscle junction plate (301) and lower main muscle junction plate (302) has some slotted holes (303), on, the styletable rebound (104) at lower two ends is connected with an end that is connected main muscle junction plate (302) with upper main muscle junction plate (301) respectively by high-strength bolt (304), upper placing of reinforcement (201) in the other end of upper main muscle junction plate (301) and lower main muscle junction plate (302) and described reinforced concrete beam (2), lower placing of reinforcement (203) connects, the plain concrete region of adjacent two reinforced concrete beams (2) is provided with the node shear reinforcement.
2. steel core concrete column according to claim 1 and reinforced concrete beam top mode syndeton, it is characterized in that: establish waist muscle (202) and stirrup (204) in described reinforced concrete beam (2), waist muscle (202) is welded on steel pipe (101) tube wall, and stirrup (204) wraps up whole reinforced concrete beam (2) cross section until main muscle junction plate place.
3. steel core concrete column according to claim 1 and reinforced concrete beam top mode syndeton, it is characterized in that: described steel pipe (101) outer wall is fixed with peg (105).
4. steel core concrete column according to claim 1 and reinforced concrete beam top mode syndeton, is characterized in that: offer air-vent (103) on described ring stiffener (102).
5. steel core concrete column according to claim 1 and reinforced concrete beam top mode syndeton is characterized in that: after described high-strength bolt is installed, and filled polyurethane organic material (305) in the gap of slotted hole (303).
6. steel core concrete column according to claim 1 and reinforced concrete beam top mode syndeton, it is characterized in that: described node shear reinforcement comprises the U-shaped reinforcing bar of shearing resistance (401), C steel bar (402) and reinforcing bar fixture (403), the bending segment at two ends, C steel bar (402) up and down respectively with styletable rebound (104) bottom welding at two ends, up and down, and fixing with reinforcing bar fixture (403), the laterally interspersed oblique reinforcing bar (404) in the outside of C steel bar (402).
7. steel core concrete column according to claim 6 and reinforced concrete beam top mode syndeton, it is characterized in that: the U-shaped reinforcing bar of described shearing resistance (401) and reinforcing bar fixture (403) all are welded on steel pipe (101) sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724581 CN203008137U (en) | 2012-12-25 | 2012-12-25 | Concrete-filled steel tubular column and reinforced concrete beam top joint connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724581 CN203008137U (en) | 2012-12-25 | 2012-12-25 | Concrete-filled steel tubular column and reinforced concrete beam top joint connection structure |
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| Publication Number | Publication Date |
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| CN203008137U true CN203008137U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220724581 Expired - Lifetime CN203008137U (en) | 2012-12-25 | 2012-12-25 | Concrete-filled steel tubular column and reinforced concrete beam top joint connection structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821234A (en) * | 2014-03-20 | 2014-05-28 | 河南科技大学 | Joint construction for steel-reinforced concrete column and reinforced concrete beam |
| CN103953122A (en) * | 2014-05-13 | 2014-07-30 | 沈阳建筑大学 | Energy-dissipation steel structure beam-column joint with variable rigidity |
| CN114482598A (en) * | 2022-01-12 | 2022-05-13 | 广城建设集团有限公司 | Building column strengthening structure and method |
-
2012
- 2012-12-25 CN CN 201220724581 patent/CN203008137U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821234A (en) * | 2014-03-20 | 2014-05-28 | 河南科技大学 | Joint construction for steel-reinforced concrete column and reinforced concrete beam |
| CN103953122A (en) * | 2014-05-13 | 2014-07-30 | 沈阳建筑大学 | Energy-dissipation steel structure beam-column joint with variable rigidity |
| CN103953122B (en) * | 2014-05-13 | 2016-04-20 | 沈阳建筑大学 | A kind of power consumption steel-structure beam-column node of stiffness variable |
| CN114482598A (en) * | 2022-01-12 | 2022-05-13 | 广城建设集团有限公司 | Building column strengthening structure and method |
| CN114482598B (en) * | 2022-01-12 | 2023-09-22 | 广城建设集团有限公司 | Building column strengthening structure and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |