CN102704596A - Combined shear wall with concrete wrapped steel plate dense beam embedded between profile steel overlapped columns and externally wrapping concrete and manufacturing method - Google Patents

Combined shear wall with concrete wrapped steel plate dense beam embedded between profile steel overlapped columns and externally wrapping concrete and manufacturing method Download PDF

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Publication number
CN102704596A
CN102704596A CN2012101680395A CN201210168039A CN102704596A CN 102704596 A CN102704596 A CN 102704596A CN 2012101680395 A CN2012101680395 A CN 2012101680395A CN 201210168039 A CN201210168039 A CN 201210168039A CN 102704596 A CN102704596 A CN 102704596A
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steel
shaped steel
stem
steel plate
shear
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董宏英
刘恒超
曹万林
张建伟
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Beijing University of Technology
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Beijing University of Technology
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Abstract

The invention provides a combined shear wall with steel plate dense beams embedded between profile steel overlapped columns and externally wrapping concrete and a manufacturing method, belonging to the field of steel-concrete combined shear walls. The combined shear wall comprises profile steel overlapped side frame columns, profile steel core columns, steel plate dense beams and a reinforced concrete shear wall body, wherein the cross section of the wall is I-shaped. Profile steel overlapped side frame columns are arranged at two ends of the reinforced concrete shear wall body; a plurality of profile steel core columns in parallel are arranged between the profile steel overlapped side frame columns; horizontal steel plate dense beams in parallel are arranged between the profile steel overlapped side frame columns and the profile steel core columns and between the profile steel core columns along the height direction of the reinforced concrete shear wall body; the steel plate dense beams, the profile steel overlapped side frame columns and the profile steel core columns are welded at the cross line; the shear wall reinforcing steel bars are strapped; and the concrete is cast so as to form the combined shear wall with steel plate dense beams embedded between the profile steel overlapped columns and externally wrapping concrete. According to the combined shear wall, the bearing ability is improved; with multiple defense lines, the ductility and the energy consumption property of the shear wall are improved and the quake resistance is superior; and the combined shear wall is convenient to construct and easy to operate and can be used in high-stored or large complex multilayered buildings.

Description

The embedding steel plate close beam external wrapping concrete compound shear wall and the practice thereof between the shaped steel superposed column
Technical field
The present invention is the embedding steel plate close beam external wrapping concrete compound shear wall and the practice thereof between a kind of shaped steel superposed column; Belong to a kind of earthquake resistant structure and consume earthquake input structure energy, improve new steel-combined concrete shear wall of structural seismic performance and preparation method thereof, belong to steel-concrete compound shear wall field.
Background technology
At present, along with the needs of development of social production and mankind's activity, modern high level, super highrise building get more and more, and be also increasingly high to the requirement of shear wall anti-seismic performance.Shear wall and be the most key vertical system of highrise building antidetonation by the core tube that shear wall is formed is being born the geological process of the structure overwhelming majority.Existing ordinary reinforced concrete shear wall deformability under geological process is poor, and ductility is poor, and easy brittle destruction af-ter directly influences the anti-seismic performance of highrise building, and this is very unfavorable to integrally-built anti-seismic performance.
Shear wall is the core lateral resisting parts in the high building structure, and its anti-seismic performance has crucial effects for highrise building safe and reliable.The good shear wall of development anti-seismic performance is a building aseismicity key for design technology.In order to improve the anti-seismic performance of shear wall; Research to compound shear wall is more and more; Like various types of shear wall and compound shear walls of cracking; At present for compound shear wall research more mainly contain two types: a kind of is " assembled wall board shear wall ", and its wallboard is made up of steel plate and concrete panel; Another kind is " a band edge frame combined shear power wall ", and its wallboard of this type compound shear wall generally adopts steel concrete, and frame adopts steel reinforced concrete.In addition, wallboard also can adopt steel plate, and frame adopts steel concrete; Frame and assembled wall board also can make up together.
The steel-concrete compound shear wall has the advantage of steel member and concrete component simultaneously, can effectively increase the intensity and the ductility of member, reduces the member section size, and fireproof performance is good.The steel-concrete compound shear wall has bigger elasticity initial stiffness, large deformation ability and good plastic property, stable characteristics such as hysteretic characteristic; And can overcome the ordinary reinforced concrete shear wall effectively from shortcoming such as great, that the bight concrete is easy to crack, frangible, be a kind of high-rise lateral resisting system that has very much development prospect.
Summary of the invention
The object of the present invention is to provide a kind of new steel-combined concrete shear wall that consumes earthquake input structure energy, improves structural seismic performance; Be mainly used in the shear wall structure or the tubular construction of highrise building or large complicated multistory building, to solve its bearing capacity, ductility, not enough problem of power consumption under geological process.
The technical scheme that the present invention adopts is following:
The close beam external wrapping concrete of embedding steel plate compound shear wall between the shaped steel superposed column, it comprises shaped steel folding frame post 1, shaped steel stem stem 2, the close beam 3 of steel plate and reinforced concrete shear wall body; At reinforced concrete shear wall body two ends shaped steel folding frame post 1 is set; Steel folding frame post 1 along the size of reinforced concrete shear wall body thickness direction greater than thickness of wall body; Upper/lower terminal at shaped steel folding frame post 1 is provided with upper side frame beam 8 and lower frame beam 7 respectively; The direction that is parallel to shaped steel folding frame post 1 in reinforced concrete shear wall body inside is provided with shaped steel stem stem 2; The close beam 3 of steel plate of horizontal parallel is set along reinforced concrete shear wall height degree direction between shaped steel folding frame post 1 and 2 of shaped steel stem stems and shaped steel stem stem 2; Implement welding on close beam 3 of steel plate and shaped steel folding frame post 1, shaped steel stem stem 2 meld line; The clear distance that the close beam 3 of steel plate is a plate girder up and down is not more than the plate girder series of deck-molding; Welding is in order to the reinforcing bar connection rib 9 of fixing body of wall horizontal distribution reinforcing bar 4 on the steel plate of shaped steel folding frame post 1; At the steel mesh reinforcement that shaped steel stem stem 2 and the configuration of the close beam of steel plate 3 both sides are made up of horizontal distribution reinforcing bar 4 and vertical distribution reinforcement 5, use to socket gap 10 that reinforcing bar 6 passes the close beam 3 of steel plate the steel mesh reinforcement of both sides is socketed; The formwork disturbing concrete is shaped, and promptly constitutes the close beam external wrapping concrete of embedding steel plate compound shear wall between the shaped steel superposed column.Shaped steel stem stem 2 is less than the thickness of body of wall in the size of reinforced concrete shear wall body thickness direction; Shaped steel folding frame post 1 in the size of reinforced concrete shear wall body thickness direction greater than the concrete wall body thickness; The steel strength of the close beam 3 of steel plate otherwise greater than the steel strength of shaped steel folding frame post 1, shaped steel stem stem 2.
Shaped steel in the described shaped steel folding frame post 1 adopts i iron, channel-section steel, and shaped steel is arranged vertical reinforcement and stirrup outward, to form shaped steel folding frame post.
Described shaped steel stem stem 2 adopts i iron, channel-section steel, and its size in reinforced concrete shear wall body thickness direction is less than the thickness of body of wall.
The close beam 3 of described steel plate is arranged in parallel along reinforced concrete shear wall height degree direction between shaped steel folding frame post 1 and 2 of shaped steel stem stems and shaped steel stem stem 2; Implement welding on close beam 3 of steel plate and shaped steel folding frame post 1, shaped steel stem stem 2 meld line; Its intensity is not more than the intensity of shaped steel folding frame post 1, shaped steel stem stem 2 steel plates; Its thickness is lower than the steel plate thickness of shaped steel stem stem 2; Its depth-width ratio is smaller or equal to 1, and the clear distance of the close beam 3 of neighbouring steel plate is not more than deck-molding.
Said reinforcing bar connects the steel plate employing of rib 9 and the steel plate same intensity steel in the shaped steel folding frame post 1, and should weld with shaped steel folding frame post 1 steel plate.
The steel bar vertical that is provided with on described horizontal distribution reinforcing bar 4 and the shaped steel folding frame post 1 is connected rib 9 and welds; Vertical distribution reinforcement 5 upper ends, lower end are stretched into respectively in upper side frame beam 8 and the lower frame beam 7 and are rigidly connected.
The reinforced mesh that the horizontal distribution reinforcing bar 4 of wallboard both sides and vertical distribution reinforcement 5 are formed in the space 10 of described steel tie 6 through 3 on the close beam of last lower steel plate sockets, or the reservation circular hole that passes close beam 3 medium positions of steel plate sockets the steel mesh reinforcement of both sides.
Said upper side frame beam 8 is a reinforced concrete beam with lower frame beam 7, or is girder with rolled steel section en cased in concrete, and the cross section is a rectangle, concrete cast in situs.
The present invention is with the close beam advantage combination of shaped steel superposed column, reinforced concrete wall panel and steel plate, when giving full play to shaped steel superposed column and reinforced concrete wall panel antihunt action, also gives full play to the stronger energy dissipation ability of steel plate Mi Liang.The steel plate Mi Liang of this novel combination shear wall has with lower stress and functional characteristics: steel plate Mi Liang power consumption unit can be given full play to the plasticity energy dissipation ability of mild steel through flexural deformation in its plane and shear strain; After reinforced concrete wall panel is adopted in steel plate Mi Liang both sides; Concrete panel has retrained flexing outside the plane of steel plate Mi Liang effectively; Can make steel plate Mi Liang in the longer period effectively through the plane in plastic strain consume the energy of earthquake input structure, improve the anti-seismic performance of structure; Simultaneously, the gap between the close beam of this steel plate can be used as steel plate Mi Liang both sides reinforced concrete wall panel and sockets the build joint that reinforcing bar passes, and like this, the both sides concrete panel has formed an integral body with being added in middle steel plate Mi Liang, and co-operation is had complementary advantages; Because the existence of steel plate Mi Liang has delayed the cracking and the crack development of both sides concrete panels, has improved the anti-earthquake ductility of concrete panel.
The close beam external wrapping concrete of embedding steel plate compound shear wall has the multiple tracks anti-vibration defense lines between shaped steel superposed column of the present invention under geological process.After reinforced concrete wall panel is adopted in shaped steel stem stem and steel plate Mi Liang both sides, suppressed destabilization problems outside the plane of steel plate well, and improved vertical bearing capacity, ductility and the energy dissipation capacity of concrete wall plate portion greatly as the antidetonation the first line of defence.After reinforced concrete wall panel destroys in earthquake; The trussed construction that steel plate Mi Liang and body of wall inner steel core post, upper and lower frame beam, shaped steel folding frame post form is a geometrically stable system, thereby keeps the resistance to overturning of structure, at this moment; Externally under the load action; Steel plate Mi Liang as defence line, shear-carrying capacity second road begins to play a role, because its intensity is low than shaped steel stem stem steel plate, can surrender prior to the shaped steel stem stem; Receiving with the shearing action is the effect of primary load, and earthquake energy is until surrender; After the steel plate Mi Liang surrender, structure begins to become a frame system of being made up of shaped steel stem stem and Vierendeel girder, post and continues bearing load, and this is the three lines of defence of this compound shear wall.Compare with common steel tube concrete frame shear wall and steel plate shear force wall, supporting capacity improves, and bearing capacity and stiffness degradation are slack-off, and the later stage anti-seismic performance is relatively stable, and multiple defence line also makes ductility of sheer wall and energy-dissipating property be improved.
Because shear wall is the core lateral resisting parts of building structure, has improved the shock resistance of shear wall, has also just improved the shock resistance of structural entity, when building meets with violent earthquake, can alleviate its earthquake, prevent that it from collapsing.
Description of drawings
Fig. 1 is that the close beam external wrapping concrete of embedding steel plate compound shear wall is joined steel and arrangement of reinforcement between the shaped steel superposed column
Fig. 2 is the compound shear wall elevational schematic view
Fig. 3 is a compound shear wall body of wall horizontal sectional drawing
The explanation of accompanying drawing code name: 1-shaped steel folding frame post, 2-shaped steel stem stem, 3-steel plate Mi Liang, 4-horizontal distribution reinforcing bar, the vertical distribution reinforcement of 5-, the 6-tension rib, 7-lower frame beam, 8-upper side frame beam, the 9-reinforcing bar connects rib, 10-gap.
The specific embodiment
Below in conjunction with specific embodiment the present invention is further specified:
The structural representation of an element of construction of the close beam external wrapping concrete of embedding steel plate compound shear wall such as Fig. 1, Fig. 2 and shown in Figure 3 between the shaped steel superposed column.
The close beam external wrapping concrete of embedding steel plate compound shear wall between above-mentioned shaped steel superposed column, its production order is following:
1) makes shaped steel folding frame post 1 and shaped steel stem stem 2; The reinforcing bar that on the steel plate of shaped steel folding frame post 1, is welded to connect body of wall horizontal distribution reinforcing bar 4 ends connects rib 9;
2) reinforcing bar of colligation shear force wall reinforcing steel bar concrete foundation beam or lower frame beam 7; And in the reinforcing cage with shaped steel folding frame post 1, shaped steel stem stem 2, the vertical distribution reinforcement 5 insertion lower frame beams 7 of shear wall; The concrete of cast lower frame beam 7; After concrete curing is fixed, make the lower frame beam 7 and the bottom of shaped steel folding frame post 1, shaped steel stem stem 2, the vertical distribution reinforcement 5 of shear wall realize being rigidly connected;
3) make the close beam 3 of steel plate, between 2 of shaped steel folding frame post 1 and shaped steel stem stems and shaped steel stem stem 2, arrange the parallel close beam 3 of steel plate along reinforced concrete shear wall height degree direction; Implement welding on close beam 3 of steel plate and shaped steel folding frame post 1, shaped steel stem stem 2 meld line; The depth-width ratio of the close beam 3 of steel plate is not more than 1, and the clear distance between the close beam 3 of last lower steel plate is not more than the deck-molding of the close beam 3 of steel plate;
4) steel mesh reinforcement of forming by horizontal distribution reinforcing bar 4 and vertical distribution reinforcement 5 in shaped steel stem stem 2 and the configuration of the close beam of steel plate 3 both sides; The gap 10 of passing the close beam 3 of lower steel plate with steel tie 6 sockets the steel mesh reinforcement of both sides, or the reservation circular hole that passes close beam 3 medium positions of steel plate sockets the steel mesh reinforcement of both sides;
5) make upper side frame beam 8, the vertical distribution reinforcement 5 of shaped steel folding frame post 1, shaped steel stem stem 2 and wallboard is inserted upper side frame beam 8, reliably connect;
6) reserve thickness of concrete cover in shear wall wallboard both sides through spacer, prop up the template that fluid concrete is used afterwards;
7), promptly form the close beam external wrapping concrete of embedding steel plate compound shear wall between the shaped steel superposed column after the moulding at shaped steel folding frame post 1, shaped steel stem stem 2, shear wall wallboard, upper side frame beam 8 place's concretings.
More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.

Claims (8)

1. the close beam external wrapping concrete of embedding steel plate compound shear wall between the shaped steel superposed column, wall section is an I shape, it comprises shaped steel folding frame post (1), shaped steel stem stem (2), steel plate Mi Liang (3) and reinforced concrete shear wall body; It is characterized in that: shaped steel folding frame post (1) is set at reinforced concrete shear wall body two ends; Steel folding frame post (1) along the size of reinforced concrete shear wall body thickness direction greater than thickness of wall body; Upper/lower terminal at shaped steel folding frame post (1) is provided with upper side frame beam (8) and lower frame beam (7) respectively; The direction that is parallel to shaped steel folding frame post (1) in reinforced concrete shear wall body inside is provided with shaped steel stem stem (2); At the steel plate Mi Liang (3) that horizontal parallel is set along reinforced concrete shear wall height degree direction between shaped steel folding frame post (1) and the shaped steel stem stem (2) and between the shaped steel stem stem (2); Implement welding on steel plate Mi Liang (3) and shaped steel folding frame post (1), shaped steel stem stem (2) meld line; Steel plate Mi Liang (3) is the plate girder series that the clear distance of plate girder up and down is not more than deck-molding; Welding is in order to the reinforcing bar connection rib (9) of fixing body of wall horizontal distribution reinforcing bar (4) on the steel plate of shaped steel folding frame post (1); The steel mesh reinforcement that configuration is made up of horizontal distribution reinforcing bar (4) and vertical distribution reinforcement (5) in shaped steel stem stem (2) and steel plate Mi Liang (3) both sides, the gap (10) of passing steel plate Mi Liang (3) with steel tie (6) sockets the steel mesh reinforcement of both sides; The formwork disturbing concrete is shaped, and promptly constitutes the close beam external wrapping concrete of embedding steel plate compound shear wall between the shaped steel superposed column; Shaped steel stem stem (2) is at the size of the reinforced concrete shear wall body thickness direction thickness less than body of wall; Shaped steel folding frame post (1) in the size of reinforced concrete shear wall body thickness direction greater than the concrete wall body thickness; The steel strength of steel plate Mi Liang (3) otherwise greater than the steel strength of shaped steel folding frame post (1), shaped steel stem stem (2).
2. require the close beam external wrapping concrete of embedding steel plate compound shear wall between said shaped steel superposed column according to right 1; It is characterized in that: the shaped steel in the described shaped steel folding frame post (1) adopts i iron, channel-section steel; Shaped steel is arranged vertical reinforcement and stirrup outward, to form shaped steel folding frame post.
3. require the close beam external wrapping concrete of embedding steel plate compound shear wall between said shaped steel superposed column according to right 1, it is characterized in that: described shaped steel stem stem (2) adopts i iron, channel-section steel.
4. require the close beam external wrapping concrete of embedding steel plate compound shear wall between said shaped steel superposed column according to right 1, it is characterized in that: described steel plate Mi Liang (3) is being arranged in parallel along reinforced concrete shear wall height degree direction between shaped steel folding frame post (1) and shaped steel stem stem (2) and between the shaped steel stem stem (2); Implement welding on steel plate Mi Liang (3) and shaped steel folding frame post (1), shaped steel stem stem (2) meld line; The intensity of steel plate Mi Liang (3) is not more than the intensity of shaped steel folding frame post (1), shaped steel stem stem (2) light plate; The thickness of steel plate Mi Liang (3) is lower than the steel plate thickness of shaped steel stem stem (2); The depth-width ratio of steel plate Mi Liang (3) is smaller or equal to 1, and the clear distance of neighbouring steel plate Mi Liang (3) is not more than the deck-molding of steel plate Mi Liang (3).
5. require the close beam external wrapping concrete of embedding steel plate compound shear wall between said shaped steel superposed column according to right 1; It is characterized in that: said reinforcing bar connects the steel plate employing of rib (9) and the steel plate same intensity steel in the shaped steel folding frame post (1), and should weld with shaped steel folding frame post (1) steel plate.
6. require the close beam external wrapping concrete of embedding steel plate compound shear wall between said shaped steel superposed column according to right 1, it is characterized in that: described horizontal distribution reinforcing bar (4) is gone up the steel bar vertical that is provided with shaped steel folding frame post (1) and is connected rib (9) welding; Vertical distribution reinforcement (5) upper end, lower end are stretched into respectively in upper side frame beam (8) and the lower frame beam (7) and are rigidly connected.
7. require the close beam external wrapping concrete of embedding steel plate compound shear wall between said shaped steel superposed column according to right 1; It is characterized in that: said upper side frame beam (8) and lower frame beam (7) are reinforced concrete beam; Or be girder with rolled steel section en cased in concrete, the cross section is a rectangle, concrete cast in situs.
8. according to the way of the close beam external wrapping concrete of embedding steel plate compound shear wall between the described shaped steel superposed column of any claim of claim 1 to claim 7, it is characterized in that: its production order is following:
1) makes shaped steel folding frame post (1) and shaped steel stem stem (2); The reinforcing bar that on the steel plate of shaped steel folding frame post (1), is welded to connect body of wall horizontal distribution reinforcing bar (4) end connects rib (9);
2) reinforcing bar of colligation shear force wall reinforcing steel bar concrete foundation beam or lower frame beam (7); And in the reinforcing cage with shaped steel folding frame post (1), shaped steel stem stem (2), the vertical distribution reinforcement of shear wall (5) insertion lower frame beam (7); The concrete of cast lower frame beam (7); After concrete curing is fixed, make the lower frame beam (7) and the bottom of shaped steel folding frame post (1), shaped steel stem stem (2), the vertical distribution reinforcement of shear wall (5) realize being rigidly connected;
3) make steel plate Mi Liang (3), between shaped steel folding frame post (1) and shaped steel stem stem (2) and between the shaped steel stem stem (2) along the parallel steel plate Mi Liang (3) of reinforced concrete shear wall height degree direction layout; Implement welding on steel plate Mi Liang (3) and shaped steel folding frame post (1), shaped steel stem stem (2) meld line; The depth-width ratio of steel plate Mi Liang (3) is not more than 1, and the clear distance between the last lower steel plate Mi Liang (3) is not more than the deck-molding of steel plate Mi Liang (3);
4) dispose the steel mesh reinforcement of forming by horizontal distribution reinforcing bar (4) and vertical distribution reinforcement (5) at shaped steel stem stem (2) and steel plate Mi Liang (3) both sides; The gap (10) of passing lower steel plate Mi Liang (3) with steel tie (6) sockets the steel mesh reinforcement of both sides, or the reservation circular hole that passes steel plate Mi Liang (3) medium position sockets the steel mesh reinforcement of both sides;
5) make upper side frame beam (8), shaped steel folding frame post (1), shaped steel stem stem (2) and the vertical distribution reinforcement of wallboard (5) are inserted upper side frame beam (8), reliably connect;
6) reserve thickness of concrete cover in shear wall wallboard both sides through spacer, prop up the template that fluid concrete is used afterwards;
7) locate concreting at shaped steel folding frame post (1), shaped steel stem stem (2), shear wall wallboard, upper side frame beam (8), promptly form the close beam external wrapping concrete of embedding steel plate compound shear wall between the shaped steel superposed column after the moulding.
CN2012101680395A 2012-05-25 2012-05-25 Combined shear wall with concrete wrapped steel plate dense beam embedded between profile steel overlapped columns and externally wrapping concrete and manufacturing method Pending CN102704596A (en)

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CN103397696A (en) * 2013-08-16 2013-11-20 威海建设集团股份有限公司 Building adopting aseismatic precasted reinforcing steel truss shear wall composite structure
CN103711231A (en) * 2014-01-14 2014-04-09 北京工业大学 Combined shear wall formed by steel pipe concrete frame, double-steel-plate shear wall and inside welded concealed bracing mild steel plates under equivalent steel
CN107587630A (en) * 2017-09-05 2018-01-16 山东绿昱建筑科技有限公司 A kind of lightweight aggregate partition wall and its with main body simultaneously construction technology

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CN103397696A (en) * 2013-08-16 2013-11-20 威海建设集团股份有限公司 Building adopting aseismatic precasted reinforcing steel truss shear wall composite structure
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CN107587630A (en) * 2017-09-05 2018-01-16 山东绿昱建筑科技有限公司 A kind of lightweight aggregate partition wall and its with main body simultaneously construction technology

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Application publication date: 20121003