CN101718118A - Structure joint of novel reinforced concrete column-steel beam combined framework - Google Patents

Structure joint of novel reinforced concrete column-steel beam combined framework Download PDF

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Publication number
CN101718118A
CN101718118A CN200910208481A CN200910208481A CN101718118A CN 101718118 A CN101718118 A CN 101718118A CN 200910208481 A CN200910208481 A CN 200910208481A CN 200910208481 A CN200910208481 A CN 200910208481A CN 101718118 A CN101718118 A CN 101718118A
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China
Prior art keywords
steel plate
steel
square
concrete column
joint
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CN200910208481A
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Chinese (zh)
Inventor
郭子雄
朱奇云
黄群贤
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Huaqiao University
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Huaqiao University
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Priority to CN200910208481A priority Critical patent/CN101718118A/en
Publication of CN101718118A publication Critical patent/CN101718118A/en
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Abstract

The invention discloses a structure joint of a novel reinforced concrete column-steel beam (RCS) combined framework, which comprises a steel beam, a reinforced concrete column and high-strength connecting bolts, wherein the reinforced concrete column comprises a square-shaped steel plate barrel, longitudinal steel bars and a plurality of stiffened steel plates which are arranged in the square-shaped steel plate barrel and divide the square-shaped steel plate barrel into a plurality of cells in a cross sectional direction; the stiffened steel plates and the square-shaped steel plate barrel are welded into a whole; the longitudinal steel bars passes through the cells respectively; concrete is cast in the cells respectively; and the steel beam is connected to the outer barrel wall of the square-shaped steel plate barrel by connecting end plates and the high-strength connecting bolts. Compared with the prior art, the invention provides extremely high shear capacity for the square-shaped steel plate barrel and the stiffened steel plates in the square-shaped steel plate barrel in the joint area, thereby truly meeting the requirements for high-strength joints in the earthquake-resisting design. The joint dispenses with penetrating steel beams and penetrating connecting bolts and stirrups arranged in the core area of the joint. The joint has the advantages of simple structure and high construction operability, directly solves the difficult engineering problems of reinforcement binding and concrete casting in the core area of the RCS joint and has high practicability in engineering.

Description

Structure joint of novel reinforced concrete column-steel beam combined framework
Technical field
The present invention relates to a kind of concrete column-steel beam composite frame structure form of architecture joints, can be applicable to adopt the industry and the civilian construction of concrete column-steel beam combined structure system.
Background technology
Concrete column-steel beam (Reinforced concrete column-steel beam, RCS) combining structure is steel and concrete a kind of combining structure form, this structure has been given full play to steel and two kinds of materials of concrete advantage separately, its combination property is better than conventional steel tendon concrete frame structure and steel framed structure, is called as the form of structure of " low-cost high-efficiency ".Its main advantage is mainly reflected in: the span of (1) steel-concrete composite floor system system is big, from heavy and light, has bigger technical advantage in large span industrial premises and public building; (2) save superstructure concrete blinding and support, accelerating construction progress; (3) easy formation strong column and weak beam type failure mechanism under the violent earthquake effect, and damaged beam can conveniently be replaced and reuse, and is a kind of structural system of sustainable development.
In the RCS frame construction girder steel and reinforced concrete post can be respectively by corresponding norm of steel structure and the design of steel concrete standard, and the design of RCS node does not have standard and can comply with.Chinese scholars has been carried out many research work at the RCS node, develops through node of some girder steels and the through joint structure of concrete column.Wherein, the through joint cores construction measure of girder steel is more, the disturbing concrete difficulty, and the vertical muscle of post passes through the core space girder steel edge of a wing and the tie muscle passes through constructing operation complexity such as core space steel beam web plate; The screw rod traversed node core space of the through node of the bolted post of end plate, cause following problem easily: (1) a large amount of transverse and longitudinals are reserved screw hole and have been weakened node area anti-shear concrete ability, and joint behavior be cannot say for sure to demonstrate,prove; (2) screw rod of perforation column section is longer, and node rigidity is difficult to satisfy the rigid joint requirement; (3) partial pressing's destruction appears in concrete column and girder steel end plate contact surface easily.The existence of these problems has seriously restricted the application of RCS combining structure in engineering practice.
Summary of the invention
The purpose of this invention is to provide all more superior structure joint of novel reinforced concrete column-steel beam combined framework of a kind of shear behavior, rigidity and bearing capacity.
Technical solution of the present invention is as follows: structure joint of novel reinforced concrete column-steel beam combined framework comprises girder steel, concrete column, connection end plate and high-strength connecting bolt; Above-mentioned concrete column comprises square plate bucket, longitudinal reinforcement and the plural piece steel plate of putting more energy into, the above-mentioned steel plate of respectively putting more energy into is arranged at the interior cross-directional with above-mentioned square plate bucket of above-mentioned square plate bucket and is separated into a plurality of lattices, and above-mentioned steel plate and the above-mentioned square plate bucket of respectively putting more energy into is welded into an integral body, above-mentioned longitudinal reinforcement is passed by above-mentioned each lattice respectively, and is cast with concrete respectively in above-mentioned each lattice; Above-mentioned girder steel is connected on the outer barrel wall of above-mentioned square plate bucket by above-mentioned connection end plate and high-strength connecting bolt.
Offer through hole respectively on the above-mentioned steel plate of respectively putting more energy into, with enhancing put more energy into steel plate and concrete bonding of intranodal and shearing transmission.
Be welded with peg respectively on the above-mentioned steel plate of respectively putting more energy into, with enhancing put more energy into steel plate and concrete bonding of intranodal and shearing transmission.
After adopting such scheme, the present invention has following advantage: the steel plate of putting more energy in square plate bucket of (1) node area and the bucket provides great shear-carrying capacity, and the core space concrete is formed operative constraint, can really realize the strong node requirement in the seismic design.(2) joint cores need not to dispose stirrup, also need not girder steel and passes through, and can directly solve traditional RCS node center pillar stirrup and install and a casting and compacting of concrete difficult problem.(3) the square plate bucket with its intersect around girder steel end plate can be connected by high-strength bolt, also can strengthen by welding, can effectively guarantee the quality that connects to make that the rigidity of node and bearing capacity are all more superior.(4) cutting of joint cores steel plate workpiece and welding job are all finished in factory, reduce the field Welding workload, and quality is easy to control.(5) girder steel and concrete column all can adopt industrialized standard production in factory, realize the whole site assembly of RCS structure, and construction speed increases substantially.(6) damaged girder steel can conveniently be replaced and reuse under the violent earthquake effect, is a kind of structural system of sustainable development.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A cut-away view of Fig. 1.
The specific embodiment
Concrete column-steel beam combining structure frame joint of the present invention, as Fig. 1, shown in 2, comprise girder steel 1, concrete column 2, connect end plate 3 and high-strength connecting bolt 4, concrete column 2 comprises square plate bucket 21, longitudinal reinforcement 22 and the plural piece steel plate 23 of putting more energy into, the steel plate 23 of respectively putting more energy into is arranged in the square plate bucket 21 crisscrossly, the cross-directional of square plate bucket 21 is separated into a plurality of lattices 231, and the steel plate 23 of respectively putting more energy into is welded into an integral body with square plate bucket 21, longitudinal reinforcement 22 is passed by each lattice 231 respectively, and each lattice interior 231 is cast with concrete respectively; Around the square plate bucket 21 the bucket wall and is connected end plate 3 on offer corresponding bolt hole respectively, an end of girder steel 1 is respectively by connecting end plate 3 and 4 lockings of high-strength connecting bolt on barrel wall all around of square plate bucket 21.Girder steel 1 also can be connected by the mode of welding on the wall of bucket all around of square plate bucket 21.
Respectively putting more energy into offers through hole 232 respectively on the steel plate 23, with enhancing the put more energy into bonding and the shearing transmission of steel plate 23 and intranodal concrete 24.Also can on the steel plate 23 of respectively putting more energy into, be welded with peg respectively, can strengthen put more energy into steel plate and concrete bonding of intranodal and shearing transmission equally.

Claims (3)

1. structure joint of novel reinforced concrete column-steel beam combined framework comprises girder steel, concrete column and node steel plate bucket; It is characterized in that: above-mentioned node steel plate bucket is square or rectangle, its out-to-out is identical with concrete column, the two-way steel plate of putting more energy into that is provided with in the steel plate bucket, respectively put more energy into steel plate and above-mentioned steel plate bucket is welded into an integral body, the longitudinal reinforcement of above-mentioned concrete column is passed by the steel plate bucket respectively, and is cast with concrete respectively in above-mentioned each lattice; Above-mentioned girder steel is connected on the outer barrel wall of above-mentioned square plate bucket by connecting end plate and high-strength connecting bolt.
2. structure joint of novel reinforced concrete column-steel beam combined framework according to claim 1 is characterized in that: offer the circular hole that guarantees concrete and stiffener on the above-mentioned steel plate of respectively putting more energy into respectively.
3. structure joint of novel reinforced concrete column-steel beam combined framework according to claim 1 is characterized in that: be welded with peg respectively on the above-mentioned steel plate of respectively putting more energy into.
CN200910208481A 2009-10-27 2009-10-27 Structure joint of novel reinforced concrete column-steel beam combined framework Pending CN101718118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910208481A CN101718118A (en) 2009-10-27 2009-10-27 Structure joint of novel reinforced concrete column-steel beam combined framework

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910208481A CN101718118A (en) 2009-10-27 2009-10-27 Structure joint of novel reinforced concrete column-steel beam combined framework

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Publication Number Publication Date
CN101718118A true CN101718118A (en) 2010-06-02

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101892710A (en) * 2010-07-14 2010-11-24 清华大学 Structure node for steel girder and reinforced column and construction method thereof
CN102864842A (en) * 2012-10-26 2013-01-09 上海中锦建设集团股份有限公司 Core anchoring barrel type node system of reinforced concrete frame structure and application of core anchoring barrel type node system
CN102966182A (en) * 2012-11-01 2013-03-13 上海蓝科钢结构技术开发有限责任公司 Concrete member and steel support H-shaped embedded connection joint
CN103195174A (en) * 2013-04-22 2013-07-10 中国建筑东北设计研究院有限公司 Steel reinforced concrete beam column joint with weld steel plates in core area
CN104196261A (en) * 2014-09-19 2014-12-10 山东省建筑科学研究院 Connection joint for existing concrete column and added steel beams
CN104712062A (en) * 2013-12-17 2015-06-17 张菊 Assembly type steel reinforced concrete column and steel girder friction type joint and implementation method thereof
CN107130717A (en) * 2017-05-22 2017-09-05 郎佃富 A kind of hollow floor steel girt strip

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101892710A (en) * 2010-07-14 2010-11-24 清华大学 Structure node for steel girder and reinforced column and construction method thereof
CN101892710B (en) * 2010-07-14 2012-02-08 清华大学 Structure node for steel girder and reinforced column and construction method thereof
CN102864842A (en) * 2012-10-26 2013-01-09 上海中锦建设集团股份有限公司 Core anchoring barrel type node system of reinforced concrete frame structure and application of core anchoring barrel type node system
CN102864842B (en) * 2012-10-26 2014-07-16 上海中锦建设集团股份有限公司 Core anchoring barrel type node system of reinforced concrete frame structure and application of core anchoring barrel type node system
CN102966182A (en) * 2012-11-01 2013-03-13 上海蓝科钢结构技术开发有限责任公司 Concrete member and steel support H-shaped embedded connection joint
CN102966182B (en) * 2012-11-01 2016-03-30 上海蓝科建筑减震科技股份有限公司 A kind of concrete component and the pre-buried connected node of bracing members H type
CN103195174A (en) * 2013-04-22 2013-07-10 中国建筑东北设计研究院有限公司 Steel reinforced concrete beam column joint with weld steel plates in core area
CN104712062A (en) * 2013-12-17 2015-06-17 张菊 Assembly type steel reinforced concrete column and steel girder friction type joint and implementation method thereof
CN104196261A (en) * 2014-09-19 2014-12-10 山东省建筑科学研究院 Connection joint for existing concrete column and added steel beams
CN107130717A (en) * 2017-05-22 2017-09-05 郎佃富 A kind of hollow floor steel girt strip

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Application publication date: 20100602