CN103074959A - Steel plate and high-strength concrete combination connecting beam - Google Patents

Steel plate and high-strength concrete combination connecting beam Download PDF

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Publication number
CN103074959A
CN103074959A CN2013100311928A CN201310031192A CN103074959A CN 103074959 A CN103074959 A CN 103074959A CN 2013100311928 A CN2013100311928 A CN 2013100311928A CN 201310031192 A CN201310031192 A CN 201310031192A CN 103074959 A CN103074959 A CN 103074959A
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China
Prior art keywords
steel plate
coupling
strength concrete
concrete
encased
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CN2013100311928A
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CN103074959B (en
Inventor
马恺泽
郭辉
鄢红良
刘伯权
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Changan University
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Changan University
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Publication of CN103074959B publication Critical patent/CN103074959B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention provides a steel plate and high-strength concrete combination connecting beam which comprises wrapping steel plates and high-strength concrete poured among the wrapping steel plates. According to the steel plate and high-strength concrete combination connecting beam, the steel plates are arranged outside a concrete connecting beam to substitute shear reinforcements to resist a shearing force with the concrete, and the shear resistance of the connecting beam is improved. In addition, the wrapping steel plates have an effective constraint effect on the high-strength concrete, the brittleness of the high-strength concrete can be improved, and the carrying capacity and deformability of the connecting beam are improved, so that the earthquake resistance of a coupled shear wall structure system is ensured, and the cross section of the connecting beam is decreased. As the wrapping steel plates serve as templates, the construction is more convenient and quicker.

Description

A kind of steel plate high-strength concrete composite coupling beams
Technical field
The invention belongs to Steel concrete combining structure and combination construction technical field, relate to a kind of Shear-wall Connecting Beam Used, particularly a kind of steel plate high-strength concrete composite coupling beams.
Background technology
Coupling beam refers to the beam of connection wall limb and wall limb in shear wall structure system, and it is important energy dissipation member in highrise building.Under horizontal earthquake action, coupling beam can play the effect of regulating the anti-side rigidity of shear wall and bearing capacity and assurance ductility of sheer wall by the surrender of self, thereby reaches the purpose that consumes the earthquake ability.The intensity of coupling beam, rigidity and deformability have significantly impact to the anti-seismic performance of structure.
The destruction of coupling beam in the wall of High-building under horizontal loads can be divided into brittle fracture and ductile fracture.Coupling beam has just been lost bearing capacity when brittle fracture occurs, when all shear failure occuring along all coupling beams of wall overall height, each wall limb has been lost the effect of contraction of coupling beam to it, will become the independent wall of monolithic.This can make the lateral rigidity of structure greatly reduce, and distortion strengthens, and wall limb moment of flexure strengthens, and finally may cause collapsing of structure.Coupling beam cross fracture can occur under geological process, and at beam-ends formation plastic hinge, the rigidity of structure reduces, distortion strengthens, thereby absorb a large amount of seismic energies, still can continue to transmit bending and shearing by plastic hinge simultaneously, the wall limb is played certain effect of contraction, make shear wall keep enough Rigidity and strengths.In this course, coupling beam has played a kind of effect of power consumption, and to reducing wall limb internal force, delaying the surrender of wall limb has important effect.But under the earthquake repeated action, the crack of coupling beam is understood development, widened, until concrete compression destroys.
Therefore, the design of coupling beam need to take certain corrective measure to guarantee that coupling beam has certain rigidity and combines with the wall limb that effectively connects, strengthen the globality of shear wall system, require simultaneously coupling beam that shear failure does not occur, namely require the design of wall limb and coupling beam to meet the principle of strong shear capacity and weak bending capacity, and the surrender of coupling beam will early than the surrender of wall limb, also require coupling beam to have good ductility and energy dissipation capacity.
Summary of the invention
The object of the present invention is to provide a kind of steel plate high-strength concrete composite coupling beams, this composite coupling beams can be good at overcoming the defective that existing coupling beam occurs, can satisfy the requirement of bearing capacity and deformability, have simple structure, easy construction, the reliable advantage of connection.
For achieving the above object, the present invention has adopted following technical scheme:
This composite coupling beams comprises encased steel plate and builds strong concrete between encased steel plate.
Be provided with some row's pegs on the surface of described encased steel plate opposite side.
Described encased steel plate is to enclose the coupling beam outsourcing template that forms by the encased steel plate unit that is oppositely arranged, and strong concrete is wrapped in the coupling beam outsourcing template.
Described coupling beam outsourcing template is comprised of four encased steel plate unit.
The steel ratio of described composite coupling beams is 0.04-0.2.
The invention has the beneficial effects as follows:
Steel plate high-strength concrete composite coupling beams of the present invention is by jointly resisting shearing at the alternative shear reinforcement of concrete coupling beam outside configuration steel plate and concrete, improve supporting capacity and the deformability of coupling beam, and avoid distress in concrete to expose, but the working range of prolongation structure normal operating condition improves coupling beam functional performance and durability.This external application encased steel plate is constructed convenient quick as template; Steel plate high-strength concrete composite coupling beams of the present invention is by configuring peg between steel plate, make this novel composite coupling beams can guarantee that steel plate and concrete better are coupled, collaborative work prevents coupling beam generation brittle fracture, thereby reaches the ductility of raising coupling beam and the purpose of energy consumption ability.
Steel plate high-strength concrete composite coupling beams of the present invention can be applied strong concrete in the building in high level, super highrise building and high earthquake intensity area, particularly high level and the super highrise building in the above area of seismic fortification intensity 8 degree.
Description of drawings
Fig. 1 is one of steel plate high-strength concrete composite coupling beams structural representation of the present invention;
Fig. 2 is two of steel plate high-strength concrete composite coupling beams structural representation of the present invention;
Among the figure: 1 expression encased steel plate unit, 2 expression strong concretes, 3 expression pegs.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Referring to Fig. 1-Fig. 2, composite coupling beams of the present invention comprises encased steel plate and builds strong concrete 2 between encased steel plate; Be provided with some row's pegs 3 on the surface of described encased steel plate opposite side, by strengthening interaction between concrete and the steel plate peg is set between the steel plate; Described encased steel plate is by the encased steel plate unit 1(steel sheet that is oppositely arranged) enclose the coupling beam outsourcing template that forms, strong concrete 2 is wrapped in the coupling beam outsourcing template; Described coupling beam outsourcing template is comprised of four encased steel plate unit 1; The steel ratio of described composite coupling beams is 0.04-0.2.
Embodiment
A kind of is encased steel plate-Combined concrete coupling beam by the novel steel-concrete composite coupling beams that steel plate is set in both sides, concreting coupling beam in the encased steel plate, and concrete is strengthened being connected by peg with steel plate.Described welding of peg is in the inboard of double-layer plate, and is vertical with steel plate, and is evenly arranged some rows along the steel plate short transverse.Described encased steel plate is enclosed by four block plates of four sides and forms, and forms an outsourcing template, and concrete is wrapped in the outsourcing template.Concrete adopts strong concrete (more than the C6).
This novel composite coupling beams is conducive to bring into play the ductility of structure by providing flexural strength and shear strength at the alternative close longitudinal reinforcement of joining of coupling beam outside configuration steel plate and transverse reinforcement, avoids brittle fracture.Join what of steel rate, determined to a certain extent the failure mode of member, therefore the steel rate of joining of cross-section of coupling beam can not be too low, can not be too high, and the present invention (JGJ138-2001) stipulates according to " reinforced concrete composite structure design specifications ": steel ratio α is in the 0.04-0.2 scope.
The steel plate of encased steel plate-Combined concrete coupling beam is formed by the Plate Welding of dimension as required, produce in specialized steel structure company in advance, then transport to the job site, after the welding of assigned address and shear wall was in place, encased steel plate can be as the template of construction stage concreting, thereby saved the making of template, make construction simple and convenient when saving consumptive material in large quantities, can accelerating construction progress, improve efficiency of construction, create how better Social benefit and economic benefit.

Claims (5)

1. steel plate high-strength concrete composite coupling beams is characterized in that: this composite coupling beams comprises encased steel plate and builds strong concrete (2) between encased steel plate.
2. described a kind of steel plate high-strength concrete composite coupling beams according to claim 1 is characterized in that: be provided with some row's pegs (3) on the surface of described encased steel plate opposite side.
3. described a kind of steel plate high-strength concrete composite coupling beams according to claim 1, it is characterized in that: described encased steel plate is to enclose the coupling beam outsourcing template that forms by the encased steel plate unit (1) that is oppositely arranged, and strong concrete (2) is wrapped in the coupling beam outsourcing template.
4. described a kind of steel plate high-strength concrete composite coupling beams according to claim 3, it is characterized in that: described coupling beam outsourcing template is comprised of four encased steel plate unit (1).
5. described a kind of steel plate high-strength concrete composite coupling beams according to claim 1, it is characterized in that: the steel ratio of described composite coupling beams is 0.04-0.2.
CN201310031192.8A 2013-01-28 2013-01-28 A kind of steel plate high-strength concrete composite coupling beams Expired - Fee Related CN103074959B (en)

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CN201310031192.8A CN103074959B (en) 2013-01-28 2013-01-28 A kind of steel plate high-strength concrete composite coupling beams

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Application Number Priority Date Filing Date Title
CN201310031192.8A CN103074959B (en) 2013-01-28 2013-01-28 A kind of steel plate high-strength concrete composite coupling beams

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CN103074959B CN103074959B (en) 2016-02-10

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104251038A (en) * 2013-06-29 2014-12-31 清华大学 Encased steel plate-concrete composite coupling beam and construction method thereof
CN104563333A (en) * 2014-12-30 2015-04-29 长安大学 Exterior steel plate and in-fill concrete combined shear wall
CN105133751A (en) * 2015-08-04 2015-12-09 田淑明 Steel plate concrete compound shear wall anti-shear connector design method
CN105178170A (en) * 2015-07-23 2015-12-23 苏交科集团股份有限公司 Bottom plate connecting structure of corrugated steel web
CN105442860A (en) * 2015-11-16 2016-03-30 重庆大学 Method for reinforcing reinforced concrete coupling beam through corrugated steel plate assemblies
CN106437778A (en) * 2016-09-28 2017-02-22 安徽马钢张庄矿业有限责任公司 Fixing method for preventing lining of ore discharging pit from falling off
CN108612258A (en) * 2018-05-21 2018-10-02 同济大学 Axial rib corrugated web steel-concrete composite coupling beams

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04222742A (en) * 1990-12-26 1992-08-12 Takenaka Komuten Co Ltd Composite beam
JPH04254646A (en) * 1991-02-05 1992-09-09 Kajima Corp Steel framed reinforced concrete beam
CN201972268U (en) * 2010-12-10 2011-09-14 清华大学 Combined shear wall of steel pipe concrete columns and double steel plates
CN202055371U (en) * 2011-04-14 2011-11-30 西安建筑科技大学 Shear wall combined structure of flexible connection steel frame filled with engineering fiber reinforced cementitious composites
CN102425267A (en) * 2011-08-26 2012-04-25 中国建筑东北设计研究院有限公司 Perforated steel plate concrete shear wall connecting beam provided with stud
CN202370119U (en) * 2012-04-23 2012-08-08 上海联创建筑设计有限公司 Steel concrete connecting beam
CN202577759U (en) * 2012-04-27 2012-12-05 中国矿业大学 Steel-concrete combined energy-consuming connecting beam
CN203080799U (en) * 2013-01-28 2013-07-24 长安大学 Coupling beam combining steel plates and high-strength concrete

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04222742A (en) * 1990-12-26 1992-08-12 Takenaka Komuten Co Ltd Composite beam
JPH04254646A (en) * 1991-02-05 1992-09-09 Kajima Corp Steel framed reinforced concrete beam
CN201972268U (en) * 2010-12-10 2011-09-14 清华大学 Combined shear wall of steel pipe concrete columns and double steel plates
CN202055371U (en) * 2011-04-14 2011-11-30 西安建筑科技大学 Shear wall combined structure of flexible connection steel frame filled with engineering fiber reinforced cementitious composites
CN102425267A (en) * 2011-08-26 2012-04-25 中国建筑东北设计研究院有限公司 Perforated steel plate concrete shear wall connecting beam provided with stud
CN202370119U (en) * 2012-04-23 2012-08-08 上海联创建筑设计有限公司 Steel concrete connecting beam
CN202577759U (en) * 2012-04-27 2012-12-05 中国矿业大学 Steel-concrete combined energy-consuming connecting beam
CN203080799U (en) * 2013-01-28 2013-07-24 长安大学 Coupling beam combining steel plates and high-strength concrete

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104251038A (en) * 2013-06-29 2014-12-31 清华大学 Encased steel plate-concrete composite coupling beam and construction method thereof
CN104563333A (en) * 2014-12-30 2015-04-29 长安大学 Exterior steel plate and in-fill concrete combined shear wall
CN105178170A (en) * 2015-07-23 2015-12-23 苏交科集团股份有限公司 Bottom plate connecting structure of corrugated steel web
CN105133751A (en) * 2015-08-04 2015-12-09 田淑明 Steel plate concrete compound shear wall anti-shear connector design method
CN105133751B (en) * 2015-08-04 2017-06-16 田淑明 Steel plate concrete combined shear wall shear connector method for designing
CN105442860A (en) * 2015-11-16 2016-03-30 重庆大学 Method for reinforcing reinforced concrete coupling beam through corrugated steel plate assemblies
CN106437778A (en) * 2016-09-28 2017-02-22 安徽马钢张庄矿业有限责任公司 Fixing method for preventing lining of ore discharging pit from falling off
CN108612258A (en) * 2018-05-21 2018-10-02 同济大学 Axial rib corrugated web steel-concrete composite coupling beams

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