CN204212285U - A kind of novel bottom punches and is with the precast concrete shear wall plate of energy-dissipating device - Google Patents
A kind of novel bottom punches and is with the precast concrete shear wall plate of energy-dissipating device Download PDFInfo
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- CN204212285U CN204212285U CN201420561121.9U CN201420561121U CN204212285U CN 204212285 U CN204212285 U CN 204212285U CN 201420561121 U CN201420561121 U CN 201420561121U CN 204212285 U CN204212285 U CN 204212285U
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Abstract
A kind of novel bottom punches and is with the precast concrete shear wall plate of energy-dissipating device, comprise lateral connection steel muscle, top connecting reinforcement, the bottom installing sleeve corresponding with top connecting reinforcement, the spaced hole of row that wallboard has, described hole comprises the lower end structure hole B having at least the structural openings A and being provided with energy-dissipating device in a hole to be positioned at wallboard, wall limb, coupling beam A, coupling beam B, the width at hole is all identical, hole is filled by lightweight non-structural material, top connecting reinforcement protrudes upward in the part of wall limb, carry out on, the connection of lower floor's shear force wall reinforcing steel bar.The utility model tool decreases the quantity of bar connecting, weight reduction, and facilitate construction transport and lifting, anti-seismic performance is good, makes building define multiple seismic-proof, enhances the energy dissipation capacity of body of wall, to reach the object reducing rehabilitation cost.
Description
Technical field
The utility model belongs to building unit field, and particularly a kind of bottom punches containing the novel fabricated assembly overall concrete shear wallboard of multiple coupling beam.
Background technology
Traditional cast-in-place concrete shear wall plate can not meet the on-the-spot requirement to efficiency of construction, along with the development of Building technology, residential standard is the prerequisite of industrialization, 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 remains in following problem 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 monolithic wallboard, and rigidity is large, and deformability is poor, and under violent earthquake effect, ductility is poor;
2. conventional fabricated assembly overall concrete shear force wall levels prefabricated panel needs the number of steel bars of joint connection in site many, and joint cost is high, and construction is complicated, and 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. repair difficulty after conventional fabricated assembly overall concrete shear wall structure shake large, cost is high.
Utility model content
The purpose of this utility model be to provide a kind of novel bottom punch band energy-dissipating device precast concrete shear wall plate, under solving conventional fabricated assembly overall concrete shear force wall violent earthquake effect, ductility is poor, bar splice quantity is many, quality not easily ensures, anti-seismic performance is weak, repairs the high technical problem of the large cost of difficulty after shake.
For achieving the above object, following technical scheme is adopted:
Novel bottom punches and is with a precast concrete shear wall plate for energy-dissipating device, comprises the lateral connection steel muscle of precast concrete shear wall plate, top connecting reinforcement, the bottom installing sleeve corresponding with top connecting reinforcement, also comprises:
The spaced hole of row that wallboard has, described hole comprises the lower end structure hole B having at least the structural openings A and being provided with energy-dissipating device in a hole to be positioned at wallboard;
The both sides at hole form the wall limb of shear wall slab respectively;
The upside at the hole of topmost, the top ends of adjacent two wall limbs are connected to form coupling beam A;
Coupling beam B is formed between two neighbouring holes;
The width at described hole is all identical, and described hole is filled by lightweight non-structural material;
Described top connecting reinforcement 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.
The hole of described topmost is window hole or structural openings A.
The variant shape that the shape of described structural openings A is rectangle, trapezoidal, hexagon, octagon or more shape bight chamfering is formed.
The variant shape that the shape of described structural openings B is rectangle, trapezoidal, hexagon, octagon or more shape bight chamfering is formed.
Compared with prior art the utility model has following characteristics and beneficial effect:
Punch bottom the utility model containing the novel fabricated assembly overall concrete shear wallboard of many coupling beams, compared with traditional fabricated assembly overall concrete shear wallboard, there is the advantages such as anti-seismic performance is good, high construction efficiency, be in particular in the following aspects:
The first, anti-seismic performance is good: energy-consumption damper being mounted to people is in the structural openings offered, and makes shear wall slab have larger damping ratio under wind and geological process, reduces the response of structure 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 the number that installing sleeve is preset in both sides, hole, eliminates the quantity of the upper and lower layer connecting reinforcement of shear wall slab, the connection of reinforcing bar only need be carried out in wall limb part, remainder only can 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; easy reparation: after the structure slight damage of shear wall under middle shake effect, the replacing of energy-consumption damper is more convenient, makes to be in the coupling beam of easily repairing position and first damages in earthquake centre; the coupling beam of not easily repairing can be protected to a certain extent, reach the object reducing rehabilitation cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the schematic diagram that the utility model embodiment one comprises the prefabricated panel of structural openings A containing buckling restrained brace and structural openings B.
Fig. 2 is the schematic diagram that the utility model embodiment two comprises the prefabricated panel of structural openings A containing another kind of buckling restrained brace and structural openings B.
Fig. 3 is the schematic diagram of prefabricated panel that the utility model embodiment three comprises window hole or structural openings A, structural openings A containing energy-consumption damper and structural openings B.
Fig. 4 is the schematic diagram that the utility model embodiment four comprises that three contain the structural openings A of energy-consumption damper and the prefabricated panel of structural openings B.
Reference numeral: installing sleeve, 9-coupling beam reinforcing bar bottom 1-wall limb, 2-hole, 2.1-structural openings A, 2.2-structural openings B, 2.3-window hole, 3-coupling beam A, 4-energy-dissipating device, 5-top connecting reinforcement, 6-lateral connection steel muscle, 7-coupling beam B, 8-.
Detailed description of the invention
The novel fabricated assembly overall concrete shear force wall plate punched bottom the utility model containing many coupling beams is described in detail as follows by reference to the accompanying drawings:
Embodiment one: shown in Figure 1,
Novel bottom punches the precast concrete shear wall plate of band energy-dissipating device, comprise the lateral connection steel muscle 6 of precast concrete shear wall plate, the top connecting reinforcement 5 bottom installing sleeve 8 corresponding with top connecting reinforcement 5, have one arranges spaced two holes 2, the both sides at hole 2 form the wall limb 1 of shear wall slab respectively, the upside at hole of topmost, the top ends of adjacent two wall limbs 1 are connected to form between coupling beam A3, neighbouring two holes 2 and form coupling beam B7.
Described precast concrete shear wall plate is coupled shear wall, hole 2 is be provided with the structural openings A2.1 of energy-dissipating device 4 in hole and be positioned at the lower end structure hole B2.2 of wallboard respectively, topmost hole and structural openings A2.1, described energy-dissipating device 4 connects the cornerwise buckling restrained brace in hole in oblique yi word pattern.
The width at described hole 2 is all identical, and hole 2 is filled by lightweight non-structural material, such as air-entrained concrete building block, fly ash small hollow blocks etc.
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: as friction damper, fluid viscous damper, fuse dampers, limited displacement damper, metallic damper etc.
Described top connecting reinforcement 5 protrudes upward in the part of wall limb, and carry out the connection of upper and lower story shear wall reinforcing bar, remainder is short structure reinforcing bars.
Embodiment two: shown in Figure 2, is in chiasma type with embodiment one unlike, described energy-dissipating device 4, connects the buckling restrained brace at four angles, hole respectively.
Embodiment three: shown in Figure 3, with embodiment one unlike, described hole 2 arranges three by row interval, wherein topmost hole is window hole 2.3, coupling beam between window hole 2.3 and structural openings B2.2 has the structural openings A2.1 containing energy-consumption damper, make coupling beam become two coupling beam B7.
Embodiment four: shown in Figure 4, arranges four unlike, described hole 2 by row interval with embodiment three, comprises topmost three holes and is structural openings A2.1 containing energy-consumption damper and structural openings B2.2.
The variant shape that the shape of described structural openings A2.1 and structural openings B2.2 can be rectangle, trapezoidal, hexagon, octagon or more shape bight chamfering is formed.
Construction method of the present utility model is as follows:
Step one, according to the type of energy-dissipating device 4, size and performance by the size of structural entity computational analysis determination structural openings, quantity and position;
Step 2, opening structure hole on fabricated assembly overall concrete shear wallboard, places energy-dissipating device according to stressed in hole, forms the structure Lateral Resistant System that energy-dissipating device 4, coupling beam A3, coupling beam B7 and wall limb 1 form;
Step 3, the side of fabricated assembly overall concrete shear wallboard is by lateral connection steel muscle 6 and cast-in-situ concrete anchoring, and the level connection joint between fabricated assembly overall concrete shear wallboard levels is connected by the bottom installing sleeve 8 of the top connecting reinforcement 5 of bottom wall panel and top wall panel, overlap joint or other mechanical connection manner;
Step 4, finally, structural openings, after fabricated assembly overall concrete shear wallboard installs, is filled with lightweight non-structural material before finishing.
The utility model is mainly used in design and the construction of fabricated assembly overall shear wall and frame-shear-wall structure, promotes economy and the anti-seismic performance of current fabricated assembly overall shear wall and frame-shear-wall structure.The utility model is applicable to the prefabricated inside and outside shear wall slab in how high-rise fabricated assembly overall concrete shear wall structure and frame-shear-wall structure, comprises inner wall panel, side fascia and composite sandwich heat-insulation wall plate.For prefabricated combined wall board, structural hole is generally offered at deck.
In the utility model shear wall wallboard; only be fixedly connected with layer by layer with building floor by the coupling beam reinforcing bar 9 of coupling beam A3; the coupling beam B7 of wallboard bottom and the energy-dissipating device 4 of structural openings is positioned at when seismic forces is conducted; also only need repair the bottom of wallboard when repairing shear wall like this, the part of not easily repairing that top is connected with floor is protected.
The introducing of structural openings and energy-dissipating device changes the damping of structure, thus reduces the response of overall structure under geological process.When running into medium earthquake intensity earthquake, energy-dissipating device absorbs and the seismic energy that dissipates, and operator guards is without prejudice or is only subject to slight damage; When rarely occurred earthquake, energy-dissipating device and coupling beam co-operation, dissipation seismic energy, protection overall structure is not collapsed.
Claims (5)
1. a novel bottom punches and is with the precast concrete shear wall plate of energy-dissipating device, comprise the lateral connection steel muscle (6) of precast concrete shear wall plate, top connecting reinforcement (5), the bottom installing sleeve (8) corresponding with top connecting reinforcement (5), it is characterized in that, also comprise:
The spaced hole of the row (2) that wallboard has, described hole comprises the structural openings A(2.1 having at least and be provided with energy-dissipating device (4) in a hole) and a lower end structure hole B(2.2 being positioned at wallboard);
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 adjacent two wall limbs (1) are connected to form coupling beam A(3);
Coupling beam B(7 is formed) between two neighbouring holes (2);
The width at described hole (2) is all identical, and described hole (2) are filled by lightweight non-structural material;
Described top connecting reinforcement (5) 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 novel bottom according to claim 1 punches and is with the precast concrete shear wall plate of energy-dissipating device, it is characterized in that: described energy-dissipating device (4) is energy-consumption damper, is one or more in velocity correlation type, displacement relationship type or other type.
3. a kind of novel bottom according to claim 1 punches and is with the precast concrete shear wall plate of energy-dissipating device, it is characterized in that:
The hole of described topmost is window hole (2.3) or structural openings A(2.1).
4. a kind of novel bottom according to claim 1 punches the precast concrete shear wall plate of band energy-dissipating device, it is characterized in that: described structural openings A(2.1) shape be rectangle, the variant shape that formed of trapezoidal, hexagon, octagon or more shape bight chamfering.
5. a kind of novel bottom according to claim 1 punches the precast concrete shear wall plate of band energy-dissipating device, it is characterized in that: described structural openings B(2.2) shape be rectangle, the variant shape that formed of trapezoidal, hexagon, octagon or more shape bight chamfering.
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CN201420561121.9U CN204212285U (en) | 2014-09-28 | 2014-09-28 | A kind of novel bottom punches and is with the precast concrete shear wall plate of energy-dissipating device |
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CN201420561121.9U CN204212285U (en) | 2014-09-28 | 2014-09-28 | A kind of novel bottom punches and is with the precast concrete shear wall plate of energy-dissipating device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104294963A (en) * | 2014-09-28 | 2015-01-21 | 中国建筑股份有限公司 | Novel precast concrete shearing wall plate with bottom provided with holes with energy consumption devices |
CN105756238A (en) * | 2015-04-02 | 2016-07-13 | 张波 | Beam-wall composite component |
CN108487495A (en) * | 2016-07-08 | 2018-09-04 | 张玉强 | Damping wall device and damping element number of species determine method |
WO2019205336A1 (en) * | 2018-04-28 | 2019-10-31 | 郑州大学 | Energy-dissipating reinforced concrete shear wall having recovery function and construction method therefor |
-
2014
- 2014-09-28 CN CN201420561121.9U patent/CN204212285U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104294963A (en) * | 2014-09-28 | 2015-01-21 | 中国建筑股份有限公司 | Novel precast concrete shearing wall plate with bottom provided with holes with energy consumption devices |
CN105756238A (en) * | 2015-04-02 | 2016-07-13 | 张波 | Beam-wall composite component |
CN108487495A (en) * | 2016-07-08 | 2018-09-04 | 张玉强 | Damping wall device and damping element number of species determine method |
CN108487495B (en) * | 2016-07-08 | 2020-05-22 | 鼎正工程咨询股份有限公司 | Damping wall device and method for determining types and quantity of damping elements |
WO2019205336A1 (en) * | 2018-04-28 | 2019-10-31 | 郑州大学 | Energy-dissipating reinforced concrete shear wall having recovery function and construction method therefor |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20150318 Effective date of abandoning: 20160907 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |