CN104328847A - Inner inclined support assembled type concrete shear wall prefabricated part - Google Patents

Inner inclined support assembled type concrete shear wall prefabricated part Download PDF

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Publication number
CN104328847A
CN104328847A CN201410571863.4A CN201410571863A CN104328847A CN 104328847 A CN104328847 A CN 104328847A CN 201410571863 A CN201410571863 A CN 201410571863A CN 104328847 A CN104328847 A CN 104328847A
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China
Prior art keywords
shear wall
muscle
inclined support
bearing diagonal
bars
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CN201410571863.4A
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Chinese (zh)
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CN104328847B (en
Inventor
金峤
赵唯坚
张斌
张德鹏
郭婉楠
温学彬
任国伟
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沈阳建筑大学
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Priority to CN201410571863.4A priority Critical patent/CN104328847B/en
Publication of CN104328847A publication Critical patent/CN104328847A/en
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Publication of CN104328847B publication Critical patent/CN104328847B/en

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Abstract

The invention discloses an inner inclined support assembled type concrete shear wall prefabricated part. The inner inclined support assembled type concrete shear wall prefabricated part has the characteristics of strong tensile and shock resistance, light damage degree and low bearing capability and rigidity attenuation degree and is capable of effectively limiting or postponing the crack propagation. The inner inclined support assembled type concrete shear wall prefabricated part comprises double rows of reinforcement steel bar meshes, inclined support longitudinal bars and a shear wall, wherein the double rows of reinforcement steel bar meshes consisting of horizontally distributed bars and longitudinally distributed bars are arranged in the shear wall; tie bars are tied arranged between the reinforcement steel bar meshes; the inclined support longitudinal bars are arranged between the horizontally distributed bars and the longitudinally distributed bars; two short steel bars are arranged between the parallel inclined support longitudinal bars; the short steel bars are perpendicular to the inclined support longitudinal bars; the lower ends of the inclined support longitudinal bars are bent and then vertically extend to performed holes; the upper ends of the inclined support longitudinal bars are bent and then vertically extend out of the shear wall. According to the inner inclined support assembled type concrete shear wall prefabricated part, on the basis of common assembled type shear wall reinforcements, the inclined support longitudinal bars are additionally arranged to form a core bundle with inclined reinforced concrete, so that the seismic capacity of the assembled concrete structure is greatly enhanced.

Description

Bearing diagonal assembly concrete shear wall prefabricated units in a kind of

Technical field

The present invention relates to building concrete member manufacturing technology field, specifically it is a kind of interior bearing diagonal assembly concrete shear wall prefabricated units.

Background technology

Along with the development at home of assembly concrete component, shear wall structure is as a kind of main structural system, and its ductility and shock resistance are more and more subject to the common concern of builing industry.At present, the arrangement of reinforcement of widely used shear wall is all horizontal and vertical configuration, under the effect of horizontal seismic force, support the main pulling force be subject to concrete inconsistent, the emergence and development of diagonal crack cannot be limited, so the intensity of existing shear wall structure, supporting capacity and shock resistance are short of all to some extent.

Summary of the invention

Object of the present invention is exactly solve the shortcoming and deficiency that existing concrete shear wall exists in configuration aspects, there is provided that a kind of resistance to tension is strong, destructiveness be light, supporting capacity and stiffness degradation slow, can effectively limit or postpone interior bearing diagonal assembly concrete shear wall prefabricated units and the construction method thereof of diagonal crack development.

The object of the present invention is achieved like this, in a kind of, bearing diagonal assembly concrete shear wall prefabricated units comprise, connecting lacing wire, bearing diagonal indulges muscle, welding short steel rod, confined boundary member, shear wall, confined boundary member indulges muscle, confined boundary member stirrup, shear wall cross direction profiles muscle, shear wall genesis analysis muscle and preformed hole, the double arrangement of reinforcement steel mesh reinforcement be made up of shear wall cross direction profiles muscle and shear wall genesis analysis muscle is configured with in shear wall, connecting lacing wire sockets between steel mesh reinforcement, vertically stretch in preformed hole after the lower end bending of shear wall genesis analysis muscle, vertically shear wall is stretched out after the bending of upper end, shear wall cross direction profiles muscle is stretching out body of wall without confined boundary member side, the confined boundary member and the confined boundary member that are provided with belt restraining edge member stirrup in the both sides of shear wall indulge muscle, it is characterized in that: between shear wall cross direction profiles muscle and shear wall genesis analysis muscle, be provided with bearing diagonal indulge muscle, two parallel bearing diagonals are indulged between muscle and are provided with bar dowel, it is vertical that bar dowel and bearing diagonal indulge muscle, it is X-shaped that bearing diagonal indulges muscle, bearing diagonal vertically stretches in preformed hole after indulging the lower end bending of muscle, vertically shear wall is stretched out after the bending of upper end.

Advantage of the present invention is: on the basis of common fabricated shear wall arrangement of reinforcement, add and join bearing diagonal and indulge muscle, form the core bundle of band oblique steel reinforced concrete, longitudinal connection is carried out with upper and lower story shear wall by preformed hole slurry anchor technology, due under action of horizontal seismic, it is consistent that bearing diagonal and concrete are subject to principal tensile stress direction, enhances the resistance to tension in concrete oblique pull district.Therefore bearing diagonal can effectively limit or postpone the development of diagonal crack, bootable horizontal curvature crack from bottom upwards many distributions to consume energy the height in region to increase plastic hinge, thinner and close than common fabricated shear wall crack and range of distribution is wide, destructiveness is lighter, supporting capacity and stiffness degradation slowly, thus enhance the shock resistance of prefabricated concrete structure.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention's element of construction.

Fig. 2 is the revolved sectional view at A-A place of the present invention.

Fig. 3 is the revolved sectional view at B-B place of the present invention.

Detailed description of the invention

embodiment 1:

Fig. 1, Fig. 2 and Fig. 3 give the structural reinforcement schematic diagram of the present invention's element of construction.It is made up of confined boundary member 4 and built-in bearing diagonal shear wall slab 5, and the arrangement of reinforcement of its square confined boundary member 4 is four longitudinal reinforcements 6, longitudinally reinforcing bar equably colligation Rectangle limited edge member stirrup 7.The arrangement of reinforcement of shear wall 5 transversely and vertically arranges shear wall cross direction profiles muscle 8 and shear wall genesis analysis muscle 9 equably respectively in both sides, and colligation is fixed in crosspoint, form two panels steel mesh reinforcement, socket with connecting lacing wire 1 between steel mesh reinforcement, longitudinal reinforcement 9 upper end reserved steel bar is used for carrying out lapping and anchoring, and reserved steel bar length need meet lap length requirement.Bearing diagonal indulge muscle 2 be arranged symmetrically with respectively in shear wall slab two panels steel mesh reinforcement, reinforcing bar bearing diagonal in X-shaped, bearing diagonal is indulged muscle 2 and is fixed in reinforced mesh with bar dowel colligation in the process of assembling reinforcement cage, and requires that bearing diagonal indulges muscle 2 with two panels reinforced mesh apart from equal.The upper and lower side that bearing diagonal indulges muscle 2 is all bent into vertical direction, and certain length is reserved in upper end, carries out lapping and anchoring with upper strata shear wall, and length in reserve need meet lap length requirement.Indulge muscle 2 along bearing diagonal and arrange colligation bar dowel 3, colligation or welding short steel rod 3 and vertical muscle composition steel bar hidden support skeleton.In concreting process, indulge muscle at sleeper, concealed bracings indulges muscle, shear wall slab indulges muscle bottom reserving hole 10, the lower end that bearing diagonal indulges muscle 2 is stretched in reserving hole 10, hole spiral stirrup retrains, the length that vertical muscle stretches into hole should meet lap length requirement, finally confined boundary member, shear wall are built integrally, bearing diagonal assembly concrete shear wall prefabricated units in being formed.Structure of the present invention is through that repetition test obtains, and only in this way just can obtain technique effect of the present invention

Processing method of the present invention is as follows:

1, according to drawing requirement, shear wall cross direction profiles muscle 8 is become reinforced mesh with the colligation of shear wall genesis analysis muscle 9, and two panels reinforced mesh connecting lacing wire is fixed into reinforcing cage, then colligation confined boundary member place stirrup 7.

2, indulge muscle 2 by drawing dimensioned bearing diagonal, and respectively two bearing diagonals are indulged muscle bar dowel 3 colligation shaping.The bearing diagonal that colligation is good is indulged muscle 2 to insert in the good reinforcing cage of colligation, be weldingly fixed in reinforcing cage with bar dowel, and with two panels reinforced mesh apart from equal.

3, after reinforcing cage colligation, require to make template (flat-die) according to scantling, then metal bellows is penetrated bed die reserving hole place by the status requirement that deepen drawing marks, form Bar Anchorage preformed hole, simultaneously by extraction body of wall suitable for reading for metal bellows, for later stage grouting, (wherein bellows vertical section bending section while meeting Bar Anchorage requirement should have certain radian, should there is not bending, the phenomenon such as opening down, to ensure the smoothness of being in the milk, enrich), when metal bellows end opening should stretch out soffit formwork >=2cm to prevent precast unit from producing, metal bellows and bed die produce break-off.Meanwhile, for ensureing the verticality of metal bellows, a core mold tube should be inserted in metal bellows inside, after concreting completes, bellows inner core die pipe can be extracted when its strength grade of concrete >=15Mpa.

Metal bellows performance should meet national sector standard " metal bellows for prestressed concrete " JG/T3013

4, require to pile up cushion block according to protective layer thickness in reinforcing cage bottom, then carry out concreting after reserved embedded part, hole.

Claims (5)

1. bearing diagonal assembly concrete shear wall prefabricated units in a kind, comprise, connecting lacing wire (1), bearing diagonal indulges muscle (2), welding short steel rod (3), confined boundary member (4), shear wall (5), confined boundary member indulges muscle (6), confined boundary member stirrup (7), shear wall cross direction profiles muscle (8), shear wall genesis analysis muscle (9) and preformed hole (10), the double arrangement of reinforcement steel mesh reinforcement be made up of shear wall cross direction profiles muscle (8) and shear wall genesis analysis muscle (9) is configured with in shear wall (5), connecting lacing wire (1) sockets between steel mesh reinforcement, vertically stretch in preformed hole (10) after the lower end bending of shear wall genesis analysis muscle (9), shear wall (5) is vertically stretched out after the bending of upper end, shear wall cross direction profiles muscle (8) is stretching out body of wall without confined boundary member side, the confined boundary member (4) and the confined boundary member that are provided with belt restraining edge member stirrup (7) in the both sides of shear wall (5) indulge muscle (6), it is characterized in that: between shear wall cross direction profiles muscle (8) and shear wall genesis analysis muscle (9), be provided with bearing diagonal indulge muscle (2), two parallel bearing diagonals are indulged between muscle (2) and are provided with bar dowel (3).
2. bearing diagonal assembly concrete shear wall prefabricated units in one according to claim 1, is characterized in that: it is vertical that bar dowel (3) and bearing diagonal indulge muscle (2).
3. bearing diagonal assembly concrete shear wall prefabricated units in one according to claim 1, is characterized in that: it is X-shaped that bearing diagonal indulges muscle (2).
4. bearing diagonal assembly concrete shear wall prefabricated units in one according to claim 1, is characterized in that: bearing diagonal vertically stretches in preformed hole (10) after indulging the lower end bending of muscle (2), vertically stretches out shear wall (5) after the bending of upper end.
5. the construction method of a kind of interior bearing diagonal assembly concrete shear wall prefabricated units as claimed in claim 1, it is characterized in that: shear wall cross direction profiles muscle (8) is become reinforced mesh with shear wall genesis analysis muscle (9) colligation by (a), and two panels reinforced mesh connecting lacing wire is fixed into reinforcing cage, then colligation confined boundary member place stirrup (7);
B () processing bearing diagonal indulges muscle (2); and respectively two bearing diagonals are indulged muscle bar dowel (3) colligation shaping; the bearing diagonal that colligation is good being indulged muscle (2) inserts in the good reinforcing cage of colligation; be weldingly fixed in reinforcing cage with bar dowel, and with two panels reinforced mesh apart from equal;
(c), after reinforcing cage colligation, require to make template according to scantling, then metal bellows is penetrated bed die reserving hole place by the status requirement that deepen drawing marks, form Bar Anchorage preformed hole, simultaneously by extraction body of wall suitable for reading for metal bellows, be in the milk for the later stage, wherein bellows vertical section bending section while meeting Bar Anchorage requirement should have certain radian, should there is not bending, the phenomenon such as opening down, to ensure the smoothness of being in the milk, enrich, when metal bellows end opening should stretch out soffit formwork >=2cm to prevent precast unit from producing, metal bellows and bed die produce break-off, simultaneously, for ensureing the verticality of metal bellows, a core mold tube should be inserted in metal bellows inside, bellows inner core die pipe can be extracted when its strength grade of concrete >=15Mpa after concreting completes, metal bellows performance should meet national sector standard " metal bellows for prestressed concrete " JG/T3013, require to pile up cushion block according to protective layer thickness in reinforcing cage bottom, then carry out concreting after reserved embedded part, hole.
CN201410571863.4A 2014-10-24 2014-10-24 A kind of construction method of interior bearing diagonal assembly concrete shear wall prefabricated components CN104328847B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105220792A (en) * 2015-09-14 2016-01-06 济南轨道交通集团有限公司 A kind of prefabricated concealed bracings energy-consuming shear wall and assemble method thereof
CN105220793A (en) * 2015-09-14 2016-01-06 济南轨道交通集团有限公司 Precast unit and the shear wall module with this component and preparation method thereof
CN105587050A (en) * 2016-03-03 2016-05-18 大连三川建筑科技有限公司 Sectioned grouting structure and method for fabricated shear wall rebar sleeve connection
CN108412086A (en) * 2018-04-28 2018-08-17 中国十七冶集团有限公司 A kind of interior bearing diagonal assembly concrete shear wall prefabricated components
CN109610349A (en) * 2018-12-29 2019-04-12 北京工业大学 A kind of the PC box girder web ruggedized construction and method of built-in tiltedly netting piece
CN110130534A (en) * 2019-05-24 2019-08-16 中国十七冶集团有限公司 A kind of novel energy-consumption precast shear wall and its processing installation method

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CN101435233A (en) * 2008-12-12 2009-05-20 北京工业大学 Steel tube concrete - punching steel plate - concrete combined shear wall and manufacturing method thereof
CN102808450A (en) * 2012-08-28 2012-12-05 初明进 Assembled monolithic shear wall building structure and construction method thereof
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CN203129359U (en) * 2013-01-22 2013-08-14 中国中建设计集团有限公司 Single row reinforced concrete shear wall with cross inclined ribs
CN103437458A (en) * 2013-09-06 2013-12-11 南京工业大学 Precast concrete double-board shear wall with internal inclined braces and construction method for same
CN204199484U (en) * 2014-10-24 2015-03-11 沈阳建筑大学 Bearing diagonal assembly concrete shear wall prefabricated units in a kind of

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Publication number Priority date Publication date Assignee Title
CN2775170Y (en) * 2005-03-07 2006-04-26 北京工业大学 Built-in lattice type steel bar hidden support shear wall
CN101424105A (en) * 2008-12-05 2009-05-06 北京工业大学 Oblique steel support concrete shear wall composite coupling beams and production method thereof
CN101424104A (en) * 2008-12-05 2009-05-06 北京工业大学 Thickness changeable shear wall with oblique reinforcing bar transition layer and construction method thereof
CN101435233A (en) * 2008-12-12 2009-05-20 北京工业大学 Steel tube concrete - punching steel plate - concrete combined shear wall and manufacturing method thereof
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105220792A (en) * 2015-09-14 2016-01-06 济南轨道交通集团有限公司 A kind of prefabricated concealed bracings energy-consuming shear wall and assemble method thereof
CN105220793A (en) * 2015-09-14 2016-01-06 济南轨道交通集团有限公司 Precast unit and the shear wall module with this component and preparation method thereof
CN105220792B (en) * 2015-09-14 2017-10-03 济南轨道交通集团有限公司 A kind of prefabricated concealed bracings energy-consuming shear wall and its assemble method
CN105220793B (en) * 2015-09-14 2017-12-15 济南轨道交通集团有限公司 Precast concrete and shear wall module and preparation method thereof with the component
CN105587050A (en) * 2016-03-03 2016-05-18 大连三川建筑科技有限公司 Sectioned grouting structure and method for fabricated shear wall rebar sleeve connection
CN108412086A (en) * 2018-04-28 2018-08-17 中国十七冶集团有限公司 A kind of interior bearing diagonal assembly concrete shear wall prefabricated components
CN109610349A (en) * 2018-12-29 2019-04-12 北京工业大学 A kind of the PC box girder web ruggedized construction and method of built-in tiltedly netting piece
CN110130534A (en) * 2019-05-24 2019-08-16 中国十七冶集团有限公司 A kind of novel energy-consumption precast shear wall and its processing installation method

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