CN2385010Y - External mounted square steel tube concrete beam and column connecting node - Google Patents

External mounted square steel tube concrete beam and column connecting node Download PDF

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Publication number
CN2385010Y
CN2385010Y CN 99226873 CN99226873U CN2385010Y CN 2385010 Y CN2385010 Y CN 2385010Y CN 99226873 CN99226873 CN 99226873 CN 99226873 U CN99226873 U CN 99226873U CN 2385010 Y CN2385010 Y CN 2385010Y
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China
Prior art keywords
square steel
steel tube
steel pipe
concrete
utility
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Expired - Fee Related
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CN 99226873
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Chinese (zh)
Inventor
吕西林
李学平
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Tongji University
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Tongji University
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Priority to CN 99226873 priority Critical patent/CN2385010Y/en
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Publication of CN2385010Y publication Critical patent/CN2385010Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an external square steel tube concrete beam and column connecting node, which relates to a connected structure of a square steel tube concrete column and a square steel tube concrete beam. The outer wall of the square steel tube of a connection position of the beam and the column is provided with a horizontal shearing reinforcement or formed steel, the periphery is provided with an octagon steel concrete ring beam, and a frame girder longitudinal bar is bent to be anchored in the square steel tube. The utility model avoids the process steps of in situ welding and has the advantages of low cost, simple structure design, good mechanical properties, and construction programming achievement. The utility model can be used for connection positions of components of beams and columns of various buildings.

Description

External square steel pipe concrete beam, column jointing gusset
The utility model relates to the manufacturing technology of concrete-filled steel square tubular column and steel concrete girder connection.
Concrete-filled steel square tubular column is compared with traditional concrete column, because of its profile has regular rectangle, and the intensity height of square steel pipe itself, not only in construction, bring convenience, but for example external mold of square steel pipe double as post and interim support, saving material and artificial; The construction of post inner concrete cooperates a high position to leave the nothing technology of vibrating can once construct which floor, thus accelerating construction progress; Can cooperate the reverse construction of basement in the highrise building better and obtain more large economy benefit; Simultaneously can select for use and construct and separate fully concrete inside and outside the post, accomplish " well water does not intrude into river water ", adopt high-grade concrete in the post, the outer beam slab of post adopts the inferior grade concrete, has further reduced expense.In addition, it also have the cross section of restriction, bearing capacity height, post of the reinforcement ratio of not being subjected to little, from advantages such as heavy and light and floor space are few.Particularly because square steel pipe has big bending resistance shearing resistance cross section, when horizontal earthquake action, born two to shearing action, make inner concrete be subjected to the influence of shearing less, cut ability thereby improved concrete resistance to compression.In a word, concrete-filled steel square tubular column than traditional concrete column all good aspect stress performance such as ductility, the strength and stiffness.Therefore abroad, particularly obtained using widely in the country of these many earthquakes of Japan.Along with the raising of China's output of steel, the square steel pipe concrete structure also will be in various places, and particularly apply widely the earthquake district occurred frequently.
But up to now, the type of attachment between concrete-filled steel square tubular column and the beam is not also reasonably solved.Existing concrete-filled steel square tubular column all is to solve with welding or bolted form with being connected of beam.No matter be to adopt, strengthen board-like outside making in the welding of square steel pipe outside; Still welding steel in square steel pipe is strengthened board-like in making; Or about all welding steels make to run through and strengthen board-likely, all are to rely on outer wall of steel pipe to be connected to come Transfer of Shear and moment of flexure with welding of girder steel floor or bolt.Above-mentioned three kinds of forms exist a large amount of weld seams inevitably, have influenced the steel wood property, easily produce brittle fracture; The field Welding workload is big, the quality requirement height, and execution conditions are poor, and welding personnel is required raising high and that brought the cost cost thus.And be only applicable to the steel work flooring that section steel beam and profiled sheet are formed, and the still reinforced concrete floor system that has a large capacity and a wide range in China's foreseeable future.
The purpose of this utility model provides a kind of with low cost, and mechanical property is good, simplicity of design, the concrete-filled steel square tubular column of easy construction and steel concrete beam connecting node.
In order to achieve the above object, the utility model is realized by following proposal.The outer wall of the junction square steel pipe of concrete-filled steel square tubular column and Vierendeel girder is provided with horizontal reinforcement or shaped steel, makes the most of shearing of Vierendeel girder beam-ends by collar tie beam and reinforcing bar or shaped steel, passes to steel pipe walls in the mode of pure shear; The steel pipe periphery is provided with the octagon reinforced concrete circle beam, and the vertical muscle bending of Vierendeel girder anchors into wherein, in order to transmit the beam-ends moment of flexure; Collar tie beam inside is furnished with the vertical muscle of horizontal octagon collar tie beam, and the collar tie beam stirrup reaches the bearing rod and the lacing wire of arranging along the square steel pipe outer wall.
The utility model has the advantages that:
1. except square steel pipe, what the power stream of each parts of tie point transmitted utilization all is that current material is reinforcing bar and concrete, thereby saved the consumption of shaped steel and steel plate, and make the utility model cost be lower than existing steel tubular beam rod structure, only suitable with existing steel concrete cost.
2. because the transmission of beam-ends shearing is to be undertaken by collar tie beam and reinforcing bar that plays the shearing resistance effect or the shaped steel of being located at outer wall of steel pipe, make the utility model power transmission measure safe and reliable, force path is clearly succinct, makes simplicity of design, easy construction.
3. owing to reduced the welding job amount significantly, particularly there is not field Welding work, except the intensity and the ductility that can improve tie point, reduce junction under the macroseism because outside the brittle fracture that welding causes, good mechanical performance of the present utility model, both be higher than existing square steel pipe post and beam structure, also be higher than existing reinforced concrete structure.
Accompanying drawing is an embodiment of the present utility model
Fig. 1 is a plane structure schematic diagram of the present utility model
Fig. 2. be I-I schematic diagram of the present utility model
Fig. 3. be A point enlarged diagram of the present utility model
In conjunction with the accompanying drawings the utility model is further described
The utility model is made up of square steel pipe (1), the vertical muscle (2) of collar tie beam, collar tie beam stirrup (3), Vierendeel girder vertical muscle (4), little side's stirrup (5), the reinforcing bar (6) that plays the shearing resistance effect, octagon reinforced concrete circle beam (7), lacing wire (8), bearing rod (9), Vierendeel girder stirrup (10).Which floor flooring height to be one section by and to make square steel pipe (1) pipeline section, the one shear reinforcement ring (6) of on the outside tube wall of the square steel pipe (1) at height of node place, burn-oning earlier, then with square steel pipe (1) hoisted in position that processes, connect with the preceding paragraph square steel pipe (1), carry out the steel pipe tie-in weld, then with collar tie beam vertical muscle (2), collar tie beam stirrup (3) and little side's stirrup (5), lacing wire (8), bearing rod (9) are bundled into the reinforcing cage of octagon reinforced concrete circle beam (7) in advance, and hoisted in position, Vierendeel girder is indulged muscle (4) bending and is anchored into wherein; Arrange Vierendeel girder stirrup (10) again; Carry out the form work engineering of Vierendeel girder and collar tie beam and floor reinforcing bar at last and make, and the Concrete Construction engineering.

Claims (2)

1. external square steel pipe concrete beam, column jointing gusset, it is characterized in that: the outer wall of the square steel pipe of beam column junction (1) is provided with horizontal reinforcement or shaped steel (6), the periphery of square steel pipe (1) is provided with octagon reinforced concrete circle beam (7), and Vierendeel girder is indulged muscle (4) bending and anchored into wherein.
2. node according to claim 1 is characterized in that: the inside of described octagon reinforced concrete circle beam (7) is furnished with the vertical muscle (2) of horizontal octagon collar tie beam, collar tie beam stirrup (3), reaches the bearing rod (9) and the lacing wire (8) that are furnished with along square steel pipe (1) outer wall.
CN 99226873 1999-06-04 1999-06-04 External mounted square steel tube concrete beam and column connecting node Expired - Fee Related CN2385010Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99226873 CN2385010Y (en) 1999-06-04 1999-06-04 External mounted square steel tube concrete beam and column connecting node

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99226873 CN2385010Y (en) 1999-06-04 1999-06-04 External mounted square steel tube concrete beam and column connecting node

Publications (1)

Publication Number Publication Date
CN2385010Y true CN2385010Y (en) 2000-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99226873 Expired - Fee Related CN2385010Y (en) 1999-06-04 1999-06-04 External mounted square steel tube concrete beam and column connecting node

Country Status (1)

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CN (1) CN2385010Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300421C (en) * 2002-12-30 2007-02-14 丘民世 Prestress combined beam, continuous prestress combined beam structure and producing connection method
CN100434601C (en) * 2006-07-17 2008-11-19 福州大学 Combined shear wall
CN102071747A (en) * 2010-12-17 2011-05-25 华南理工大学建筑设计研究院 Joint of square steel tube concrete column and reinforced concrete floor and production method thereof
CN101492918B (en) * 2008-01-24 2012-02-01 华东建筑设计研究院有限公司 Beam column node for base pit engineering of topdown construction method
CN102817414A (en) * 2012-08-03 2012-12-12 东南大学 Space truss type beam column connecting structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300421C (en) * 2002-12-30 2007-02-14 丘民世 Prestress combined beam, continuous prestress combined beam structure and producing connection method
CN100434601C (en) * 2006-07-17 2008-11-19 福州大学 Combined shear wall
CN101492918B (en) * 2008-01-24 2012-02-01 华东建筑设计研究院有限公司 Beam column node for base pit engineering of topdown construction method
CN102071747A (en) * 2010-12-17 2011-05-25 华南理工大学建筑设计研究院 Joint of square steel tube concrete column and reinforced concrete floor and production method thereof
CN102817414A (en) * 2012-08-03 2012-12-12 东南大学 Space truss type beam column connecting structure
CN102817414B (en) * 2012-08-03 2014-07-09 东南大学 Space truss type beam column connecting structure

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee