CN202380606U - Bottom dual-overlapped shear wall comprising hidden steel plates in steel reinforced concrete frame - Google Patents
Bottom dual-overlapped shear wall comprising hidden steel plates in steel reinforced concrete frame Download PDFInfo
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- CN202380606U CN202380606U CN2011204822223U CN201120482222U CN202380606U CN 202380606 U CN202380606 U CN 202380606U CN 2011204822223 U CN2011204822223 U CN 2011204822223U CN 201120482222 U CN201120482222 U CN 201120482222U CN 202380606 U CN202380606 U CN 202380606U
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Abstract
The utility model relates to a bottom dual-overlapped shear wall comprising hidden steel plates in a steel reinforced concrete frame. The shear wall comprises steel reinforced concrete overlapped frame columns, soft steel energy consumption steel plates and shear wall steel plates. The shear wall is a dual overlapped column, wherein the external soft steel energy consumption steel plates and steel pipe concrete columns are overlapped, and the steel pipe concrete columns and reinforced concrete columns are overlapped, and the shear wall is a multiple combination body including the combination of reinforcing steel bars and the concrete, the combination of steel plates and the concrete, and the combination of the steel reinforced concrete frame column and the steel plate shear wall. In comparison with the conventional shear wall, the shear wall, provided by the utility model, has the advantages of larger initial rigidity, high bearing capacity, slow attenuation of bearing capacity and rigidity, good integral shockproof and energy-consumption properties, better stability in later shockproof property and fewer damages caused by bottom shear slippage, after soft steel sleeves are additionally arranged, the soft steel sleeves on the outer side are yielded firstly, the energy intpu to the structure in an earthquake is consumed, and the resistance and the ductility action can be exerted even in a destruction situation, so that the premature damage and destruction of the high-strength steel plates can be avoided and delayed.
Description
Technical field
The utility model relates to the built-in steel plate shear force wall of a kind of bottom folded double steel reinforced concrete frame, is a kind of compound shear wall that is applied to highrise building, belongs to building engineering field.
Background technology
Highrise building is the product of economic development in modern times and scientific progress.Shear wall and be the core of highrise building antidetonation by the cylindrical shell that shear wall is formed; Because highrise building needs bigger lateral rigidity; Therefore in the design; The design of lateral resisting structure is crucial, and shear wall is as one of main lateral resistant member, and its service behaviour under geological process has crucial effects to the security performance of total.The highrise building bottom member will bear bigger horizontal loading and vertical load usually, so the development of modern high-rise building is to the demands for higher performance of shear wall member.
Because the large complicated highrise building of pursuing individualityization is increasing, we are also increasingly high to the requirement of Seismic Property of Shear Wall Structures.Existing ordinary reinforced concrete shear wall ductility under geological process is relatively poor, easy brittle destruction af-ter, and this anti-seismic performance to total is very unfavorable.The steel-concrete compound shear wall combines reinforced concrete structure and steel work, can remedy shortcoming separately, brings into play their advantage better, makes structure have bigger bearing capacity and rigidity, has better ductility and energy dissipation capacity.Because highrise building generally all needs bigger anti-side rigidity, so the design of shear wall must consider the design of lateral resisting, also should satisfy the requirement of providing fortification against earthquakes simultaneously.Built-in steel plate concrete compound shear wall is a kind of cost-effective novel anti side force system, has both satisfied the requirement of anti-side rigidity, has satisfied the requirement of ductile performance again.
At present; In the shear wall research field; Focus mostly in research to the ordinary reinforced concrete shear wall; Research to built-in steel plate concrete compound shear wall is relatively also fewer, and is deep not enough to the research of its anti-seismic performance and construction measure, and its internal material energy dissipation ability is not carried out deep excavation.
The utility model content
The utility model technical problem to be solved is: give full play to the anti-seismic performance of frame columns and built-in steel plate shear force wall, improve its ductility and energy dissipation ability.The utility model has proposed the built-in steel plate shear force wall of a kind of bottom folded double steel reinforced concrete frame in order to address this problem.
The technical scheme that the utility model adopts is:
The built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame; It is characterized in that: said shear wall comprises steel reinforced concrete folding frame post, mild-steel energy-consumption steel plate and shear wall wallboard; Be provided with the shear wall steel plate in the shear wall wallboard; In the shear wall wallboard of the both sides of shear wall steel plate, be provided with the steel mesh reinforcement of forming by transversely distributed steelbar and vertical distribution reinforcement, socket each other with socketing reinforcing bar between the steel mesh reinforcement; Steel reinforced concrete folding frame post is arranged at shear wall wallboard two ends and connects as one with the shear wall steel plate of centre; The superimposed mild-steel energy-consumption steel plate that is provided with of the bottom outside of the shaped steel in the steel reinforced concrete folding frame post, mild-steel energy-consumption steel plate put in the bottom ground or basic end face and with its anchoring.Its anchorage length should meet designing requirement.
The built-in steel plate shear force wall of described bottom folded double steel reinforced concrete frame, steel reinforced concrete folding frame post is rectangle, circle or table tennis bat tee section.
The built-in steel plate shear force wall of described bottom folded double steel reinforced concrete frame; Mild-steel energy-consumption steel plate in steel reinforced concrete folding frame post height above ground level or basic end face is 1.0h; Wherein, h is the long limit size of rectangle steel reinforced concrete folding frame post or the diameter of circular steel reinforced concrete folding frame post.This is provided with the frame columns plastic hinge territory of having strengthened built-in steel plate concrete compound shear wall, makes frame columns have better ductile performance, delays or avoid the destruction of shear wall frame columns bottom, improves its seismic bearing capacity and energy dissipation capacity.
The built-in steel plate shear force wall of described bottom folded double steel reinforced concrete frame, the shaped steel in the steel reinforced concrete folding frame post is steel pipe or reinforcing bar.
The built-in steel plate shear force wall of described bottom folded double steel reinforced concrete frame, the thickness of mild-steel energy-consumption steel plate is more than or equal to the steel pipe in the steel reinforced concrete folding frame post or the wall thickness of reinforcing bar.
The built-in steel plate shear force wall of described bottom folded double steel reinforced concrete frame, the shear wall steel plate is individual layer or bilayer.
The built-in steel plate shear force wall of described bottom folded double steel reinforced concrete frame, shear wall steel plate are provided with and socket the corresponding hole of passing of reinforcing bar.The quantity in hole and diameter should should make steel tie pass smoothly according to the needs setting of actual engineering.
The built-in steel plate shear force wall of described bottom folded double steel reinforced concrete frame; The two-way bolt hole that offers in position in the inner corresponding stack of shaped steel of mild-steel energy-consumption steel plate and steel reinforced concrete folding frame post; And be inter-connected via a bolt joint; Diameter of bolt hole on the mild-steel energy-consumption steel plate is a bit larger tham the diameter of bolt, and the diameter of bolt is not less than the thickness of mild-steel energy-consumption steel plate and shaped steel; The quantity of bolt hole should be according to the actual requirement of engineering setting; And be no less than two rows; The level of every row's bolt hole all is not more than 200mm with vertical spacing; To guarantee that the mild-steel energy-consumption steel plate contacts closely with inner shaped steel, make bolt can pass inner shaped steel and mild-steel energy-consumption steel plate smoothly and reduce weakening same horizontal section; The mild-steel energy-consumption steel plate is connected through bolt with inner shaped steel, and forms certain precompression.
The practice of the built-in steel plate shear force wall of above-mentioned bottom folded double steel reinforced concrete frame, production order is following:
1) makes the shaped steel of mild-steel energy-consumption steel plate, shear wall steel plate and steel reinforced concrete folding frame post as requested; And on mild-steel energy-consumption steel plate and the shaped steel that constitutes steel reinforced concrete folding frame post prepared screw-bolt hole, on the shear wall steel plate, reserve the stirrup perforation and socket reinforced steel bar perforation;
2) welding shaped steel, uses bolt to connect and is one superimposed shaped steel (1) bottom outside that is arranged on of the mild-steel energy-consumption steel plate of making so that it forms the steel frame of frame columns;
3) shear wall steel plate and frame columns shaped steel are welded together;
4) vertical reinforcement and the stirrup of colligation steel concrete folding frame post and the transversely distributed steelbar that is positioned at shear wall steel plate both sides and vertical distribution reinforcement, colligation sockets reinforcing bar, forms steel mesh reinforcement;
5) reserve the certain protection layer thickness in the steel mesh reinforcement outside, a template;
6) concrete perfusion in template is the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame after the moulding.
The folded double of above-mentioned steel reinforced concrete is meant: (1): superimposed and (2) of pasting shaped steel in mild-steel energy-consumption steel plate and the steel reinforced concrete folding frame post outward: shaped steel and outside reinforced concrete post superimposed.
The built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame of the utility model; After steel plate concrete compound shear wall concreting; For frame columns, the rigidity of the connecting portion of bottom mild-steel energy-consumption steel plate and frame columns steel plate with respect to concrete rigidity a little less than, formed an iron hand in a velvet glove structure; This structure helps the energy dissipation capacity under geological process; Can give full play to the energy dissipation capacity of mild-steel energy-consumption steel plate and inner steel plate, make frame columns under geological process, show more excellent performance, and then improve the anti-seismic performance of whole steel plate shear force wall.
The built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame of the utility model, the inner high-strength steel sheet of shear wall can bear bigger load action, practice thrift steel, but under the rarely occurred earthquake effect, large deformation makes its rupture failure easily repeatedly.Experimental study under the low cycle repetitive load effect shows, the destruction of steel plate concrete compound shear wall mainly is surrender, flexing and the rupture failure of root steel plate.Beneficial effect
Compare with the ordinary reinforced concrete shear wall, the utlity model has following advantage:
Under the frequently occurred earthquake effect, the steel plate concrete compound shear wall is stressed less, at this moment bottom mild-steel energy-consumption steel plate and inner steel plate friction energy-dissipating under the bolt effect; It has not only improved its friction energy-dissipating ability, and mild-steel energy-consumption steel plate and inner steel plate are connected as a single entity, and its integral working is good, and rigidity is big, and intensity is also big; Under the rarely occurred earthquake effect, it is serious that bolt is cut damage, and its contact effect weakens; The co-operation performance degradation, they begin to give full play to separately its ductility and power consumption effect, and structure collectivity rigidity reduces; Natural vibration period is elongated, and geological process reduces, after steel plate concrete compound shear wall bottom increases the mild-steel energy-consumption steel plate; Be equivalent to increase anti-vibration defense lines one, improved the safety of structure.
After the overseas side of steel plate concrete compound shear wall root plastic hinge adds the mild-steel energy-consumption steel plate; Outside mild-steel energy-consumption steel plate is at first surrendered; Consume the energy of earthquake input structure; Can bring into play its drag and ductility effect until destroying, to have played preventing and delay the too early damage of high-strength steel sheet and the effect of destruction.
The built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame of the utility model, its supporting capacity is greatly improved, and the bottom shear sliding rupture alleviates; Has good later stage anti-seismic performance; Improved the energy dissipation ability of shear wall, also just improved the whole shock resistance of structure, when building meets with violent earthquake; Can alleviate its earthquake, prevent its destruction that collapses.
Description of drawings
Fig. 1 is that frame columns is the floor map of the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame of concrete-filled rectangular steel tube superposed column;
Fig. 2 is that frame columns is the floor map of the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame of round steel pipe concrete superposed column;
Fig. 3 is the A-A sectional drawing of Fig. 1 and Fig. 2;
Fig. 4 is the B-B sectional drawing of Fig. 1 and Fig. 2;
Fig. 5-Fig. 7 is other form of structure of rectangle laminated column frame among Fig. 1;
Fig. 8-Figure 10 is other form of structure of circular laminated column frame among Fig. 2;
Wherein: 1-shaped steel, 2-mild-steel energy-consumption steel plate, 3-shear wall steel plate, the 4-transversely distributed steelbar, the vertical distribution reinforcement of 5-, 6-sockets reinforcing bar, 7-vertical reinforcement, 8-stirrup, 9-ground or basic end face.
The specific embodiment
Below in conjunction with specific embodiment the utility model is further specified:
Like Fig. 1,3, shown in 4; The built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame of the utility model; Comprise steel reinforced concrete folding frame post, mild-steel energy-consumption steel plate 2 and shear wall wallboard; Be provided with shear wall steel plate 3 in the shear wall wallboard, in the shear wall wallboard of the both sides of shear wall steel plate 3, be provided with the steel mesh reinforcement of forming by transversely distributed steelbar 4 and vertical distribution reinforcement 5, socket each other with socketing reinforcing bar 6 between the steel mesh reinforcement; Steel reinforced concrete folding frame post is arranged at shear wall wallboard two ends and connects as one with the shear wall steel plate 3 of centre; The superimposed mild-steel energy-consumption steel plate 2 that is provided with of the bottom outside of the shaped steel 1 in the steel reinforced concrete folding frame post, mild-steel energy-consumption steel plate 2 put in the bottom ground or basic end face 9 and with its anchoring.Wherein, Steel reinforced concrete folding frame post is the square-section; The height of mild-steel energy-consumption steel plate 2 end faces 9 above ground level or basic in the steel reinforced concrete folding frame post is 1.0h; Wherein, h is the long limit size of rectangle steel reinforced concrete folding frame post or the diameter of circular steel reinforced concrete folding frame post.Shaped steel 1 in the steel reinforced concrete folding frame post is reinforcing bar.The thickness of mild-steel energy-consumption steel plate 2 is more than or equal to the wall thickness of the reinforcing bar in the steel reinforced concrete folding frame post.Shear wall steel plate 3 is double-deck.Shear wall steel plate 3 is provided with and sockets the reinforcing bar 6 corresponding holes of passing.The two-way bolt hole that offers in position in the inner shaped steel 1 corresponding stack of mild-steel energy-consumption steel plate 2 and steel reinforced concrete folding frame post; And be inter-connected via a bolt joint; Diameter of bolt hole on the mild-steel energy-consumption steel plate 2 is a bit larger tham the diameter of bolt, and the diameter of bolt is not less than the thickness of mild-steel energy-consumption steel plate 2 and shaped steel 1; The quantity of bolt hole should be according to the actual requirement of engineering setting, and is no less than two rows, and the level of every row's bolt hole all is not more than 200mm with vertical spacing.
The bottom built-in steel plate shear force wall of folded double steel reinforced concrete frame in the present embodiment can be made as follows:
1) makes the shaped steel 1 of mild-steel energy-consumption steel plate 2, shear wall steel plate 3 and steel reinforced concrete folding frame post as requested; And on mild-steel energy-consumption steel plate 2 and the shaped steel 1 that constitutes steel reinforced concrete folding frame post prepared screw-bolt hole, on shear wall steel plate 3, reserve the stirrup perforation and socket reinforced steel bar perforation;
2) welding shaped steel, uses bolt to connect and is one the mild-steel energy-consumption steel plate of making 2 superimposed shaped steel 1 bottom outside that are arranged on so that it forms the steel frame of frame columns;
3) shear wall steel plate 3 and frame columns shaped steel 1 are welded together;
4) vertical reinforcement 7 of colligation steel concrete folding frame post and stirrup 8 and be positioned at the transversely distributed steelbar 4 of shear wall steel plate 3 both sides and vertical distribution reinforcement 5, colligation sockets reinforcing bar 6, forms steel mesh reinforcement;
5) reserve the certain protection layer thickness in the steel mesh reinforcement outside, a template;
6) concrete perfusion in template is the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame after the moulding.
The another kind of form of structure of the bottom folded double built-in steel plate shear force wall of steel reinforced concrete frame and the practice such as Fig. 2, Fig. 3 and shown in Figure 4, its frame columns is the circular cross-section steel core concrete column, other form of structure and preparation method and embodiment 1 are basic identical.
Other form of structure of the bottom folded double built-in steel plate shear force wall of steel reinforced concrete frame and the practice such as Fig. 5-shown in Figure 10; Its frame columns is respectively circle or square-section; Shaped steel 1 is respectively i iron, round steel pipe or square steel pipe, and other form of structure and preparation method and embodiment 1 are basic identical.
More than be the exemplary embodiments of the utility model, the enforcement of the utility model is not limited thereto.
Claims (7)
1. the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame; It is characterized in that: said shear wall comprises steel reinforced concrete folding frame post, mild-steel energy-consumption steel plate (2) and shear wall wallboard; Be provided with shear wall steel plate (3) in the shear wall wallboard; In the shear wall wallboard of the both sides of shear wall steel plate (3), be provided with by transversely distributed steelbar (4) and the vertical steel mesh reinforcement formed of distribution reinforcement (5), socket each other with socketing reinforcing bar (6) between the steel mesh reinforcement; Steel reinforced concrete folding frame post is arranged at shear wall wallboard two ends and connects as one with the shear wall steel plate (3) of centre; The superimposed mild-steel energy-consumption steel plate (2) that is provided with of the bottom outside of the shaped steel (1) in the steel reinforced concrete folding frame post, mild-steel energy-consumption steel plate (2) put in the bottom ground or basic end face (9) and with its anchoring.
2. the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame as claimed in claim 1, it is characterized in that: steel reinforced concrete folding frame post is rectangle, circle or table tennis bat tee section.
3. the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame as claimed in claim 2; It is characterized in that: the height of mild-steel energy-consumption steel plate (2) end face above ground level or basic (9) in the steel reinforced concrete folding frame post is 1.0h; Wherein, h is the long limit size of rectangle steel reinforced concrete folding frame post or the diameter of circular steel reinforced concrete folding frame post.
4. the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame as claimed in claim 1, it is characterized in that: the shaped steel (1) in the steel reinforced concrete folding frame post is steel pipe or reinforcing bar.
5. the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame as claimed in claim 4, it is characterized in that: the thickness of mild-steel energy-consumption steel plate (2) is more than or equal to the steel pipe in the steel reinforced concrete folding frame post or the wall thickness of reinforcing bar.
6. the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame as claimed in claim 1, it is characterized in that: shear wall steel plate (3) is individual layer or bilayer.
7. the built-in steel plate shear force wall of bottom folded double steel reinforced concrete frame as claimed in claim 1 is characterized in that: shear wall steel plate (3) is provided with and sockets the corresponding hole of passing of reinforcing bar (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204822223U CN202380606U (en) | 2011-11-28 | 2011-11-28 | Bottom dual-overlapped shear wall comprising hidden steel plates in steel reinforced concrete frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204822223U CN202380606U (en) | 2011-11-28 | 2011-11-28 | Bottom dual-overlapped shear wall comprising hidden steel plates in steel reinforced concrete frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409783A (en) * | 2011-11-28 | 2012-04-11 | 北京工业大学 | Bottom double composite section steel shear wall with reinforced concrete frame and inside-hidden steel plate as well as manufacturing method |
| CN103485443A (en) * | 2013-09-26 | 2014-01-01 | 华北水利水电大学 | Window-shaped-steel-plate concrete shear wall and manufacturing method thereof |
| CN104153486A (en) * | 2014-08-30 | 2014-11-19 | 刘家文 | Precast concrete wall component and connecting method |
-
2011
- 2011-11-28 CN CN2011204822223U patent/CN202380606U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409783A (en) * | 2011-11-28 | 2012-04-11 | 北京工业大学 | Bottom double composite section steel shear wall with reinforced concrete frame and inside-hidden steel plate as well as manufacturing method |
| CN102409783B (en) * | 2011-11-28 | 2014-04-16 | 北京工业大学 | Manufacturing method of bottom double composite section steel shear wall with reinforced concrete frame and inside-hidden steel plate |
| CN103485443A (en) * | 2013-09-26 | 2014-01-01 | 华北水利水电大学 | Window-shaped-steel-plate concrete shear wall and manufacturing method thereof |
| CN103485443B (en) * | 2013-09-26 | 2015-08-19 | 华北水利水电大学 | A kind of window shape steel plate concrete shear wall and preparation method thereof |
| CN104153486A (en) * | 2014-08-30 | 2014-11-19 | 刘家文 | Precast concrete wall component and connecting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20131128 |