CN104294996B - A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device - Google Patents
A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device Download PDFInfo
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- CN104294996B CN104294996B CN201410503924.3A CN201410503924A CN104294996B CN 104294996 B CN104294996 B CN 104294996B CN 201410503924 A CN201410503924 A CN 201410503924A CN 104294996 B CN104294996 B CN 104294996B
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Abstract
A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device, connect reinforcing bar including laterally attached reinforcing bar, top and connect the bottom installation sleeve that reinforcing bar is corresponding with top, wallboard has the hole that at least string is connected by perps, some energy-dissipating devices, wall limb, coupling beam, cantilever beam it is interval with in perps, the width at hole is all identical, hole is filled by lightweight non-structural material, top connects reinforcing bar and protrudes upward in the part of wall limb, carries out the connection of upper and lower story shear wall reinforcing bar.Present invention tool decreases the quantity of bar connecting, weight reduction, facilitates construction transport and lifting, and anti-seismic performance is good, makes building define multiple seismic-proof, enhances the energy dissipation capacity of body of wall, to reduce the purpose of rehabilitation cost.
Description
Technical field
The invention belongs to building element field, particularly a kind of bottom punches the novel fabricated assembly overall concrete shear wallboard containing multiple coupling beams.
Background technology
Traditional cast-in-place concrete shear wall plate can not meet the on-the-spot requirement to efficiency of construction, development along with Building technology, residential standard is the premise of industrialization, it it is the inexorable trend of construction and development of housing, be advance dwelling construction develop in a healthy way important means, be also construction and development of housing inexorable trend and must by approach.Fabricated shear wall structure is one of primary structure form of industrialization house, and still there is problems in that in the design of current fabricated assembly overall shear wall and frame-shear-wall structure system and construction
1. conventional prefabricated assembled concrete shear wall slab is generally solid integral wall, and rigidity is big, and deformability is poor, and under violent earthquake effect, ductility is poor；
2. the number of steel bars that conventional fabricated assembly overall concrete shear force wall levels prefabricated panel needs joint connection in site is many, and joint cost is high, and construction complexity, quality not easily ensures；
3. conventional fabricated assembly overall concrete shear force wall adopts equivalent cast-in-place method for designing, but its actual anti-seismic performance outline is weaker than cast-in-situ steel reinforced concrete shear wall；
4. repairing difficulty after conventional fabricated assembly overall concrete shear wall structure shake big, cost is high.
Summary of the invention
It is an object of the invention to provide a kind of bottom to punch the precast concrete shear wall plate with perps energy-dissipating device, solve ductility under the fabricated assembly overall concrete shear force wall violent earthquake effect of routine poor, splice quantity is many, quality not easily ensures, anti-seismic performance is weak, repairs the technical problem that the big cost of difficulty is high after shake.
For achieving the above object, adopt the following technical scheme that
A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device, connects reinforcing bar including the laterally attached reinforcing bar of precast concrete shear wall plate, top and connects the corresponding bottom of reinforcing bar with top and install sleeve, also include:
Wallboard has the hole that at least string is connected by perps, described hole include having at least a structural openings A and one be positioned at the lower end structure hole B of wallboard, described perps is provided with one or is interval with several energy-dissipating devices；
The both sides at hole form the wall limb of shear wall slab respectively；
The upside at the hole of topmost, adjacent two wall limbs top ends connect formed coupling beam；
Between two neighbouring holes, the both sides of perps form cantilever beam；
The width at described hole is all identical, and described hole is filled by lightweight non-structural material,
Described top connects reinforcing bar and protrudes upward in the part of wall limb, carries out the connection of upper and lower story shear wall reinforcing bar.
Described energy-dissipating device is energy-consumption damper, is one or more in velocity correlation type, displacement relationship type or other type.Described energy-consumption damper generally refers to: friction damper, fluid viscous damper, fuse dampers, limited displacement damper or metallic damper.
Also having door opening on described wall limb, the upside of door opening is also coupling beam.
Described structural openings be shaped as the variant shape that rectangle, trapezoidal, hexagon, octagon or above shape corner chamfering are formed.
Compared with prior art the invention have the characteristics that and beneficial effect:
Punch bottom the present invention the novel fabricated assembly overall concrete shear wallboard containing many coupling beams, compared with traditional fabricated assembly overall concrete shear wallboard, has the advantages such as good, the high construction efficiency of anti-seismic performance, is in particular in the following aspects:
First, anti-seismic performance is good: be mounted in the structural openings artificially offered by energy-consumption damper, makes shear wall slab have bigger damping ratio under wind and geological process, reduces structure response under earthquake and wind effect and the infringement to structure.
Second, construction quality is good, efficiency is high: structural openings is arranged on the lower end of wallboard, decreases both sides, hole and presets the number installing sleeve, eliminates the upper and lower layer of shear wall slab and connects the quantity of reinforcing bar, the connection of reinforcing bar only need to be carried out in wall limb part, remainder can only do structure reinforcing bars, and convenient construction reduces cost, decreases job site and connects hidden danger, improve build guality, efficiency of construction is high.
3rd, from heavy and light: structural openings makes shear wall slab weight reduction, facilitate construction transport and lifting.
4th; easily repair: after shear wall structure slight damage under middle shake effect, the replacing of energy-consumption damper is more convenient, make to be in the coupling beam easily repairing position and first damage in earthquake centre; the coupling beam being not easily repaired can be protected to a certain extent, reduce the purpose of rehabilitation cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the schematic diagram of the precast concrete shear wall plate embodiment that the present invention contains three holes of string.
Fig. 2 is the schematic diagram that the present invention contains that string includes the precast concrete shear wall plate embodiment of window hole.
Fig. 3 is the schematic diagram that the present invention contains that two row include the precast concrete shear wall plate embodiment of door opening.
Fig. 4 is the schematic diagram that the present invention contains that two row include the precast concrete shear wall plate embodiment of door opening.
Fig. 5 is the schematic diagram that the present invention contains that three row include the precast concrete shear wall plate embodiment of door opening.
Fig. 6 is the schematic diagram that the present invention contains that two row include precast concrete shear wall another embodiment of plate of door opening
Accompanying drawing labelling: 1-wall limb, 2-hole, 2.1-structural openings A, 2.2-structural openings B, 2.3-door opening, 2.4-window hole, 3-coupling beam, 4-energy-dissipating device, 5-top connect installation sleeve, 9-coupling beam reinforcing bar, 10-perps bottom reinforcing bar, the laterally attached reinforcing bar of 6-, 7-cantilever beam, 8-.
Detailed description of the invention
The novel fabricated assembly overall concrete shear force wall plate containing many coupling beams that punches bottom the present invention is described with reference to the accompanying drawings as follows:
Embodiment one: shown in Figure 1,
A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device, for coupled shear wall, laterally attached reinforcing bar 6 including precast concrete shear wall plate, top connects reinforcing bar 5, connect the corresponding bottom of reinforcing bar 5 with top and sleeve 8 is installed, wallboard has the string three holes 2 by two perps 10 connections, described hole includes being positioned at two structural openings A2.1 in the middle part of a wallboard and lower end structure hole B2.2 being positioned at wallboard, an energy-dissipating device 4 it is equipped with in each perps 10, the both sides at hole 2 form the wall limb 1 of shear wall slab respectively, the upside at the hole of topmost, the top ends of two adjacent wall limbs 1 connects formation coupling beam 3, between two neighbouring holes 2, the both sides of perps 10 form cantilever beam 7.
The width at described hole 2 is all identical, and described hole 2 is filled by lightweight non-structural material, for instance air-entrained concrete building block, fly ash small hollow blocks etc..
Described top connects reinforcing bar 5 and protrudes upward in the part of wall limb, carries out the connection of upper and lower story shear wall reinforcing bar.
Described energy-dissipating device 4 is energy-consumption damper, is one or more in velocity correlation type, displacement relationship type or other type.Other type described generally refers to: such as friction damper, fluid viscous damper, fuse dampers, limited displacement damper, metallic damper etc..
Embodiment two: shown in Figure 2, with embodiment one the difference is that, by two holes 2 that perps 10 connects, including structural openings A and wallboard have window hole 2.4 and a lower end structure hole B2.2 being positioned at wallboard in advance, in perps 10, it is provided with an energy-dissipating device 4.
Embodiment three: shown in Figure 3, with embodiment two the difference is that, described precast concrete shear wall plate is three limb shear walls,
Also having door opening 2.3 on wall limb 1, the upside of door opening 2.3 is also coupling beam 3.
Embodiment four: shown in Figure 4, with embodiment two the difference is that, described precast concrete shear wall plate is three limb shear walls,
Wall limb 1 also has another row hole in embodiment two.
Embodiment five: shown in Figure 5, with embodiment three the difference is that, described precast concrete shear wall plate is extremity shear wall, wall limb also has in embodiment two another row hole, another row hole perps 10 in be provided with two energy-dissipating devices 4.
Embodiment six: shown in Figure 6, with embodiment three the difference is that, described hole includes an a structural openings A2.1 and lower end structure hole B2.2 being positioned at wallboard, is provided with three energy-dissipating devices 4 in perps 10.
The shape at described hole 2 can be the variant shape that rectangle, trapezoidal, hexagon, octagon or above shape corner chamfering are formed.
The construction method of the present invention is as follows:
Step one, is determined the size of structural openings, quantity and position according to the type of energy-dissipating device 4, size and performance by structure overall calculation analysis；
Step 2, opening structure hole on fabricated assembly overall concrete shear wallboard, in hole, place energy-dissipating device according to stress, form the structure Lateral Resistant System of energy-dissipating device 4, coupling beam 3 and wall limb 1 composition；
Step 3, the side of fabricated assembly overall concrete shear wallboard is by laterally attached reinforcing bar 6 and cast-in-place concrete anchoring, and the level connection joint between fabricated assembly overall concrete shear wallboard levels connects the bottom installation sleeve 8 of reinforcing bar 5 and top wall panel, overlap joint or other mechanical connection manner by the top of bottom wall panel and is attached；
Step 4, finally, structural openings, after fabricated assembly overall concrete shear wallboard installs, is filled with lightweight non-structural material before finishing.
Present invention is mainly used for the design of fabricated assembly overall shear wall and frame-shear-wall structure and construction, promote economy and the anti-seismic performance of current fabricated assembly overall shear wall and frame-shear-wall structure.The present invention prefabricated inside and outside shear wall slab suitable in many high-rise fabricated assembly overall concrete shear wall structures and frame-shear-wall structure, comprises lining, Side fascia and composite sandwich heat-insulation wall plate.For prefabricated combined wall board, structural hole is typically in structure sheaf and offers.
In shear wall wallboard of the present invention; only it is connected by the coupling beam reinforcing bar 9 of coupling beam 3 and building floor are fixing layer by layer; seismic force is made when conducting, to be positioned at the coupling beam 3 of wallboard bottom and the energy-dissipating device 4 of structural openings; also only need to repairing the bottom of wallboard when so shear wall being repaired, the part being not easily repaired that top is connected with floor is protected.
The introducing of structural openings and energy-dissipating device changes the damping of structure, thus reducing overall structure response under geological process.When running into medium earthquake intensity earthquake, energy-dissipating device absorbs and dissipates seismic energy, and protection structure is without prejudice or is limited only by slight damage；When rarely occurred earthquake, energy-dissipating device and coupling beam cooperation, dissipation seismic energy, protection overall structure is not collapsed.
Claims (4)
1. a bottom punches the precast concrete shear wall plate with perps energy-dissipating device, connect reinforcing bar (5) and connect corresponding bottom installation sleeve (8) of reinforcing bar (5) including the laterally attached reinforcing bar (6) of precast concrete shear wall plate, top with top, it is characterized in that, also include:
Having the hole (2) that at least string is connected by perps (10) on wallboard, described hole includes having at least a structural openings A(2.1) and a lower end structure hole B(2.2 being positioned at wallboard), described perps (10) is provided with one or is interval with several energy-dissipating devices (4)；
The both sides at hole (2) form the wall limb (1) of shear wall slab respectively；
The upside at the hole of topmost, adjacent two wall limbs (1) top ends connect formed coupling beam (3)；
Between two neighbouring holes (2), the both sides of perps (10) form cantilever beam (7)；
The width at described hole (2) is all identical, and described hole (2) are filled by lightweight non-structural material,
Described top connects reinforcing bar (5) and protrudes upward in the part of wall limb, carries out the connection of upper and lower story shear wall reinforcing bar.
2. a kind of bottom according to claim 1 punches the precast concrete shear wall plate with perps energy-dissipating device, it is characterised in that: described energy-dissipating device (4) is energy-consumption damper, is velocity correlation type and/or displacement relationship type.
3. a kind of bottom according to claim 1 punches the precast concrete shear wall plate with perps energy-dissipating device, it is characterised in that: also having door opening (2.3) on described wall limb (1), the upside of door opening (2.3) is also coupling beam (3).
4. a kind of bottom according to claim 1 punches the precast concrete shear wall plate with perps energy-dissipating device, it is characterised in that: described structural openings (2.2) be shaped as the variant shape that rectangle, trapezoidal, hexagon, octagon or above shape corner chamfering are formed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503924.3A CN104294996B (en) | 2014-09-28 | 2014-09-28 | A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device |
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| CN201410503924.3A CN104294996B (en) | 2014-09-28 | 2014-09-28 | A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device |
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| CN104294996A CN104294996A (en) | 2015-01-21 |
| CN104294996B true CN104294996B (en) | 2016-07-13 |
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| CN201410503924.3A Expired - Fee Related CN104294996B (en) | 2014-09-28 | 2014-09-28 | A kind of bottom punches the precast concrete shear wall plate with perps energy-dissipating device |
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| CN104895243A (en) * | 2015-06-17 | 2015-09-09 | 长春工程学院 | Prefabricated confined concrete shear wall board |
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| CN101748828B (en) * | 2009-12-18 | 2011-08-10 | 北京工业大学 | Concrete filled steel tube laminated column frame inbuilt steel plate and steel truss interconnected space shear wall |
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| CN204282641U (en) * | 2014-09-28 | 2015-04-22 | 中国建筑股份有限公司 | A kind of novel bottom punches and is with the precast concrete shear wall plate of perps energy-dissipating device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04279327A (en) * | 1991-03-08 | 1992-10-05 | Tategu Sogo Shosha Futaba:Kk | Panel and method for preparation thereof |
| JPH09296562A (en) * | 1996-05-07 | 1997-11-18 | Sekisui House Ltd | Bearing wall frame |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313988Y (en) * | 1997-04-21 | 1999-04-14 | 同济大学 | Earthquake resistant wall |
| CN1793541A (en) * | 2005-12-28 | 2006-06-28 | 北京工业大学 | Shear wall hidden with vertical soft steel energy consupting band and mfg. method thereof |
| CN201531070U (en) * | 2009-10-30 | 2010-07-21 | 董毓利 | Aluminum-steel combined steel-plate shear wall |
| CN101748828B (en) * | 2009-12-18 | 2011-08-10 | 北京工业大学 | Concrete filled steel tube laminated column frame inbuilt steel plate and steel truss interconnected space shear wall |
| CN101818541A (en) * | 2010-06-04 | 2010-09-01 | 北京万科企业有限公司 | Precast composite wallboard with door/window holes and manufacturing method thereof |
| CN103147529A (en) * | 2013-04-03 | 2013-06-12 | 东南大学 | Assembly type energy dissipation and seismic mitigation shear wall structure system |
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| CN204282641U (en) * | 2014-09-28 | 2015-04-22 | 中国建筑股份有限公司 | A kind of novel bottom punches and is with the precast concrete shear wall plate of perps energy-dissipating device |
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| CN104294996A (en) | 2015-01-21 |
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