CN102936930A - Built-in type steel column-lattice beam concrete combined shear wall and production method thereof - Google Patents
Built-in type steel column-lattice beam concrete combined shear wall and production method thereof Download PDFInfo
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- CN102936930A CN102936930A CN2012101681792A CN201210168179A CN102936930A CN 102936930 A CN102936930 A CN 102936930A CN 2012101681792 A CN2012101681792 A CN 2012101681792A CN 201210168179 A CN201210168179 A CN 201210168179A CN 102936930 A CN102936930 A CN 102936930A
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Abstract
The invention discloses a built-in steel column-lattice beam concrete combined shear wall and a production method thereof and belongs to the field of steel-concrete combined shear walls. The shear wall consists of profiled bar frame posts, profiled bar core posts, lattice beams and a reinforced concrete shear wall body, wherein the cross section of the wall body is in an I shape, profiled bar frame posts are arranged at two ends of the reinforced concrete shear wall body, a plurality of profiled bar core posts are arranged between two ends of the reinforced concrete shear wall body in parallel, lattice beams are arranged between profiled bar frame posts and profiled bar core posts and among profiled bar core posts along the height direction of the reinforced concrete shear wall body horizontally in parallel, lattice beams are welded on intersection lines of profiled bar frame posts and profiled bar core posts, shear wall reinforcements are bonded, concrete is poured, and the built-in steel column-lattice beam concrete combined shear wall is formed. The bearing capability of the shear wall is improved, the attenuation of the bearing force and the rigidity is slow, the anti-seismic performance in the later period is stable, the tensibility and the dissipation capacity of the shear wall are improved through a plurality of protective lines, the anti-seismic performance is good, the construction is facilitated, and the shear wall is applied to high-level or large complex multi-story buildings.
Description
Technical field
The present invention is the close beam combined concrete shear wall of a kind of built-in steel column-lattice and preparation method, belong to a kind of earthquake resistant structure and consume earthquake input structure energy, improve Novel steel-combined concrete shear wall of structural seismic performance and preparation method thereof, belong to steel-combined concrete shear wall field.
Background technology
At present, along with the needs of development and the mankind's activity of social production, modern high-rise, super highrise building is more and more, and is also more and more higher to the requirement of shear wall anti-seismic performance.Shear wall and be the most key vertical system of high-rise construction earthquake resistance by the Core Walls Structure that shear wall forms 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 brittle fracture occurs easily, directly affects 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 vital effect for highrise building safe and reliable.The good shear wall of development anti-seismic performance is the key technology of Seismic Design of Building.In order to improve the anti-seismic performance of shear wall, research to compound shear wall is more and more, such as 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 comprised of steel plate and concrete panel; Another kind is " band edge frame combined shear power wall ", and this its wallboard of class 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 intensity and the ductility of member, reduces sectional dimension of members, and fireproof performance is good.The steel-concrete compound shear wall has larger elasticity initial stiffness, large deformation ability and good plastic property, the stable characteristics such as hysteretic characteristic, and can effectively overcome the ordinary reinforced concrete shear wall from the shortcoming such as great, that the bight concrete is easy to crack, frangible, be a kind of high-rise Lateral Resistant System that has very much development prospect.
Summary of the invention
The object of the present invention is to provide a kind of Novel steel-combined concrete shear wall that consumes earthquake input structure energy, improves structural seismic performance, be mainly used in shear wall structure or the tubular construction of highrise building or large complicated multistory building, to solve the problem of its bearing capacity, ductility, power consumption deficiency under geological process.
The technical solution used in the present invention is as follows:
The close beam combined concrete shear wall of built-in steel column-lattice, its wall section is yi word pattern, it comprises shaped steel frame columns 1, shaped steel stem stem 2, the close beam 3 of lattice and reinforced concrete shear wall body; It is characterized in that: at reinforced concrete shear wall body two ends shaped steel frame columns 1 is set, shaped steel frame columns 1 along the size of reinforced concrete shear wall body thickness direction less than the reinforced concrete shear wall body thickness; In the upper and lower position of shaped steel frame columns 1 upper side frame beam 9 and lower frame beam 8 are set respectively; The direction that is parallel to shaped steel frame columns 1 in reinforced concrete shear wall body inside arranges shaped steel stem stem 2; The close beam 3 of lattice of horizontal parallel is set along reinforced concrete shear wall height direction between shaped steel frame columns 1 and 2 of shaped steel stem stems and shaped steel stem stem 2; Implement welding on the close beam 3 of lattice and shaped steel frame columns 1, shaped steel stem stem 2 meld line; The clear distance that the close beam 3 of lattice is up and down lattice girder is not more than the lattice girder series of deck-molding; By the steel mesh reinforcement that horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6 form, the gap 4 of passing the close beam 3 of lattice with steel tie 7 sockets the steel mesh reinforcement of both sides in the close beam of shaped steel frame columns 1, shaped steel stem stem 2 and lattice 3 both sides configurations; Be shaped at shaped steel frame columns 1, shaped steel stem stem 2, upper side frame beam 9, lower frame beam 8 and reinforced concrete shear wall body place disturbing concrete, namely consist of the close beam combined concrete shear wall of built-in steel column-lattice.
Shaped steel in the described shaped steel folding frame post 1 adopts i iron, channel-section steel, and its size in the thickness of wall body direction is not more than thickness of wall body; 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 the thickness of wall body direction is less than the thickness of body of wall.
The close beam 3 of described lattice is plane frame, or is space truss; The employing steel are made, and its intensity is not more than the steel strength of shaped steel folding frame post 1 and shaped steel stem stem 2; Between shaped steel frame columns 1 and 2 of shaped steel stem stems and shaped steel stem stem 2, be arranged in parallel along reinforced concrete shear wall height direction; Implement welding on the close beam 3 of lattice and shaped steel frame columns 1, shaped steel stem stem 2 meld line; Its depth-width ratio is less than or equal to 1, and the clear distance of the close beam of adjacent lattice about in the of 3 is not more than deck-molding.
Described vertical distribution reinforcement 6 upper ends, lower end are stretched into respectively in upper side frame beam 9 and the lower frame beam 8 and are rigidly connected.Dispose the steel mesh reinforcement that is formed by horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6 in the close beam of shaped steel frame columns 1, shaped steel stem stem 2 and lattice 3 both sides.
The space 4 of described steel tie 7 by 3 on the close beam of lattice up and down sockets the reinforced mesh that horizontal distribution reinforcing bar 5 and the vertical distribution reinforcement 6 of wallboard both sides forms, or the space of passing in the close beam 3 of lattice sockets the steel mesh reinforcement of both sides.
Described upper side frame beam 9 and lower frame beam 8 are reinforced concrete beam, or are girder with rolled steel section en cased in concrete, and the cross section is rectangle, concrete cast in situs.
The present invention is with the close beam advantage combination of steel column, reinforced concrete wall panel and lattice, when giving full play to steel column and reinforced concrete wall panel antihunt action, also gives full play to the stronger energy dissipation ability of lattice Mi Liang.The lattice Mi Liang of this novel compound shear wall has with lower stress and functional characteristics: the plasticity energy dissipation ability of mild steel can be given full play to by the flexural deformation in its plane and shear strain in lattice Mi Liang power consumption unit; After reinforced concrete wall panel is adopted in lattice Mi Liang both sides, concrete panel has retrained flexing outside the plane of lattice Mi Liang effectively, can make lattice Mi Liang within the longer period effectively by 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 lattice can be used as lattice 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 lattice Mi Liang, and co-operation is had complementary advantages; Owing to the existence of lattice Mi Liang, delayed cracking and the crack progressing of both sides concrete panels, improved the anti-earthquake ductility of concrete panel.
The close beam combined concrete shear wall of built-in steel column-lattice of the present invention has multiple seismic-proof under geological process.After reinforced concrete wall panel is adopted in shaped steel frame columns, shaped steel stem stem and lattice Mi Liang both sides, suppress well destabilization problems outside the plane of steel plate, and greatly improved vertical bearing capacity, ductility and the energy dissipation capacity of concrete wall plate portion as the antidetonation the first line of defence.After reinforced concrete wall panel destroys in earthquake, the trussed construction that lattice Mi Liang and body of wall inner steel core post, upper and lower frame beam, shaped steel frame post form is a geometrically stable system, thereby the resistance to overturning that keeps structure, at this moment, externally under the load action, lattice Mi Liang as shear-carrying capacity second defence line begins to play a role, because its intensity is low than shaped steel stem stem post jamb, can surrender prior to the shaped steel stem stem, be subject to the effect take shearing action as primary load, earthquake energy is until surrender; After the lattice Mi Liang surrender, structure begins to become a frame system that is comprised 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 the bearing capacity and stiffness decay is 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 combined concrete shear wall of built-in steel column-lattice is joined steel and arrangement of reinforcement
Fig. 2 is the compound shear wall elevational schematic view
Fig. 3 is compound shear wall body of wall horizontal sectional drawing
Accompanying drawing code name explanation: 1-shaped steel frame columns, 2-shaped steel stem stem, 3-lattice Mi Liang, 4-gap.5-horizontal distribution reinforcing bar, the vertical distribution reinforcement of 6-, the 7-connecting lacing wire, 8-lower frame beam, 9-upper side frame beam,
The specific embodiment
The present invention will be further described below in conjunction with specific embodiment:
Structural representation such as Fig. 1, Fig. 2 and shown in Figure 3 of an element of construction of the close beam combined concrete shear wall of built-in steel column-lattice.
The close beam combined concrete shear wall of above-mentioned built-in steel column-lattice, its production order is as follows:
1) makes shaped steel frame columns 1 and shaped steel stem stem 2;
2) reinforcing bar of colligation shear force wall reinforcing steel bar concrete foundation beam or lower frame beam 8, and in the reinforcing cage with shaped steel frame columns 1, shaped steel stem stem 2, the vertical distribution reinforcement 6 insertion lower frame beams 8 of shear wall, the concrete of cast lower frame beam 8, after concrete curing is fixed, make lower frame beam 8 and the bottom of shaped steel frame columns 1, shaped steel stem stem 2, the vertical distribution reinforcement 6 of shear wall realize being rigidly connected;
3) make the close beam 3 of lattice, between 2 of shaped steel frame columns 1 and shaped steel stem stems and shaped steel stem stem 2, arrange the parallel close beam 3 of lattice along the reinforced concrete shear wall short transverse; Implement welding on the close beam 3 of lattice and shaped steel frame columns 1, shaped steel stem stem 2 meld line; The close beam of lattice about in the of 3 clear distance be not more than deck-molding;
4) steel mesh reinforcement that is formed by horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6 in the configuration of the close beam of shaped steel frame columns 1, shaped steel stem stem 2 and lattice 3 both sides, pass the up and down gap 4 of the close beam 3 of lattice with steel tie 7, or the gap of passing in the close beam 3 of lattice sockets the steel mesh reinforcement of both sides;
5) make upper side frame beam 9, insert upper side frame beam 9 with the vertical distribution reinforcement 6 of shaped steel frame columns 1, shaped steel stem stem 2 and wallboard, reliably connect;
6) reserve thickness of concrete cover in the close beam of shaped steel frame columns 1, shaped steel stem stem 2 and lattice 3 both sides by spacer, prop up afterwards the template that fluid concrete is used;
7) build the concrete of shaped steel frame columns 1, shaped steel stem stem 2, shear wall wallboard, upper side frame Liang9Chu, namely form the close beam combined concrete shear wall of built-in steel column-lattice after the moulding.
Manufacturing process Shaped Steel frame columns 1, shaped steel stem stem 2 are less than the thickness of body of wall in the size of reinforced concrete shear wall body thickness direction, so that the colligation of both sides reinforcing bar and reservation concrete cover, but its size can not affect to its inner concreting; The intensity of the close beam 3 of lattice is not more than the intensity of shaped steel frame columns 1, shaped steel stem stem 2 steel plates, prevents that it is subjected to curved destruction in loading process, produces flexing outside the plane, to reach preferably energy consumption effect.
More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.
Claims (7)
1. the close beam combined concrete shear wall of built-in steel column-lattice, its wall section is yi word pattern, it comprises shaped steel frame columns (1), shaped steel stem stem (2), lattice Mi Liang (3) and reinforced concrete shear wall body; It is characterized in that: at reinforced concrete shear wall body two ends shaped steel frame columns (1) is set, shaped steel frame columns (1) along the size of reinforced concrete shear wall body thickness direction less than the reinforced concrete shear wall body thickness; Upper side frame beam (9) and lower frame beam (8) are set respectively in the upper and lower position of shaped steel frame columns (1); The direction that is parallel to shaped steel frame columns (1) in reinforced concrete shear wall body inside arranges shaped steel stem stem (2); Between shaped steel frame columns (1) and shaped steel stem stem (2) and the lattice Mi Liang (3) that horizontal parallel is set along reinforced concrete shear wall height direction between the shaped steel stem stem (2); Implement welding on lattice Mi Liang (3) and shaped steel frame columns (1), shaped steel stem stem (2) meld line; Lattice Mi Liang (3) is the lattice girder series that the clear distance of up and down lattice girder is not more than deck-molding; By horizontal distribution reinforcing bar (5) and the vertical steel mesh reinforcement that forms of distribution reinforcement (6), the gap (4) of passing lattice Mi Liang (3) with steel tie (7) sockets the steel mesh reinforcement of both sides in shaped steel frame columns (1), shaped steel stem stem (2) and the configuration of lattice Mi Liang (3) both sides; Be shaped at shaped steel frame columns (1), shaped steel stem stem (2), upper side frame beam (9), lower frame beam (8) and reinforced concrete shear wall body place disturbing concrete, namely consist of built-in " steel column-lattice Mi Liang " combined concrete shear wall.
2. require the close beam combined concrete shear wall of described built-in steel column-lattice 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 combined concrete shear wall of described built-in steel column-lattice according to right 1, it is characterized in that: described shaped steel stem stem (2) adopts i iron, channel-section steel, and its size in the thickness of wall body direction is less than the thickness of body of wall.
4. require the close beam combined concrete shear wall of described built-in steel column-lattice according to right 1, it is characterized in that: described lattice Mi Liang (3) is plane frame, or is space truss; The employing steel are made, and its intensity is not more than the steel strength of shaped steel folding frame post (1) and shaped steel stem stem (2); Be arranged in parallel along reinforced concrete shear wall height direction between shaped steel frame columns (1) and shaped steel stem stem (2) and between the shaped steel stem stem (2); Implement welding on lattice Mi Liang (3) and shaped steel frame columns (1), shaped steel stem stem (2) meld line; Its depth-width ratio is less than or equal to 1, and adjacent lattice Mi Liang (3) clear distance up and down is not more than deck-molding.
5. require the close beam combined concrete shear wall of described built-in steel column-lattice according to right 1, it is characterized in that: described vertical distribution reinforcement (6) upper end, lower end are stretched into respectively in upper side frame beam (9) and the lower frame beam (8) and are rigidly connected.Dispose the steel mesh reinforcement that is formed by horizontal distribution reinforcing bar (5) and vertical distribution reinforcement (6) in shaped steel frame columns (1), shaped steel stem stem (2) and lattice Mi Liang (3) both sides.
6. require the close beam combined concrete shear wall of described built-in steel column-lattice according to right 1, it is characterized in that: described upper side frame beam (9) and lower frame beam (8) are reinforced concrete beam, or be girder with rolled steel section en cased in concrete, the cross section is rectangle, concrete cast in situs.
7. according to claim 1 to the way of the close beam combined concrete shear wall of the described built-in steel column-lattice of claim 6 any one claim, it is characterized in that: its production order is as follows:
1) makes shaped steel frame columns (1) and shaped steel stem stem (2);
2) reinforcing bar of colligation shear force wall reinforcing steel bar concrete foundation beam or lower frame beam (8), and in the reinforcing cage with shaped steel frame columns (1), shaped steel stem stem (2), the vertical distribution reinforcement of shear wall (6) insertion lower frame beam (8), the concrete of cast lower frame beam (8), after concrete curing is fixed, make lower frame beam (8) and the bottom of shaped steel frame columns (1), shaped steel stem stem (2), the vertical distribution reinforcement of shear wall (6) realize being rigidly connected;
3) make lattice Mi Liang (3), between shaped steel frame columns (1) and shaped steel stem stem (2) and between the shaped steel stem stem (2) along the parallel lattice Mi Liang (3) of reinforced concrete shear wall height direction layout; Implement welding on lattice Mi Liang (3) and shaped steel frame columns (1), shaped steel stem stem (2) meld line; The clear distance that the close beam 3 of lattice is up and down lattice girder is not more than the lattice girder series of deck-molding;
4) steel mesh reinforcement that is formed by horizontal distribution reinforcing bar (5) and vertical distribution reinforcement (6) in shaped steel frame columns (1), shaped steel stem stem (2) and the configuration of lattice Mi Liang (3) both sides, pass the up and down gap (4) of lattice Mi Liang (3) with steel tie (7), or the gap of passing among the lattice Mi Liang (3) sockets the steel mesh reinforcement of both sides;
5) make upper side frame beam (9), insert upper side frame beam (9) with shaped steel frame columns (1), shaped steel stem stem (2) and the vertical distribution reinforcement of wallboard (6), reliably connect;
6) reserve thickness of concrete cover in shaped steel frame columns (1), shaped steel stem stem (2) and lattice Mi Liang (3) both sides by spacer, prop up afterwards the template that fluid concrete is used;
7) build the concrete that shaped steel frame columns (1), shaped steel stem stem (2), shear wall wallboard, upper side frame beam (9) are located, namely form the close beam combined concrete shear wall of built-in steel column-lattice after the moulding.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060192A (en) * | 2017-05-04 | 2017-08-18 | 浙江绿筑集成科技有限公司 | A kind of steel plate combined shear wall being made up of H profile steel and steel plate and preparation method |
| CN108547397A (en) * | 2018-04-28 | 2018-09-18 | 重庆建工集团股份有限公司 | Cold bending thin wall type covering Combined anti-seismic wall structure |
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| US6385930B1 (en) * | 1999-07-16 | 2002-05-14 | Carl-Erik Broms | Concrete structure and method of making it |
| CN1888339A (en) * | 2006-07-17 | 2007-01-03 | 福州大学 | Combined shear wall |
| CN201358530Y (en) * | 2008-12-19 | 2009-12-09 | 北京工业大学 | Profiled-steel-concrete-punched-steel-plate-concrete combination shear wall |
| CN101761154A (en) * | 2009-12-30 | 2010-06-30 | 北京工业大学 | Shear wall with inbuilt continuous-row steel tube concrete core column and soft steel energy consumption bond and manufacturing method thereof |
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2012
- 2012-05-25 CN CN201210168179.2A patent/CN102936930B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6385930B1 (en) * | 1999-07-16 | 2002-05-14 | Carl-Erik Broms | Concrete structure and method of making it |
| CN1888339A (en) * | 2006-07-17 | 2007-01-03 | 福州大学 | Combined shear wall |
| CN201358530Y (en) * | 2008-12-19 | 2009-12-09 | 北京工业大学 | Profiled-steel-concrete-punched-steel-plate-concrete combination shear wall |
| CN101761154A (en) * | 2009-12-30 | 2010-06-30 | 北京工业大学 | Shear wall with inbuilt continuous-row steel tube concrete core column and soft steel energy consumption bond and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107060192A (en) * | 2017-05-04 | 2017-08-18 | 浙江绿筑集成科技有限公司 | A kind of steel plate combined shear wall being made up of H profile steel and steel plate and preparation method |
| CN108547397A (en) * | 2018-04-28 | 2018-09-18 | 重庆建工集团股份有限公司 | Cold bending thin wall type covering Combined anti-seismic wall structure |
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