CN104179273A - Precast assembled integrated type concrete shear wall panel with bottom hole containing multiple coupling beams - Google Patents
Precast assembled integrated type concrete shear wall panel with bottom hole containing multiple coupling beams Download PDFInfo
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- CN104179273A CN104179273A CN201410464518.0A CN201410464518A CN104179273A CN 104179273 A CN104179273 A CN 104179273A CN 201410464518 A CN201410464518 A CN 201410464518A CN 104179273 A CN104179273 A CN 104179273A
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- concrete shear
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- structural openings
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Abstract
The invention discloses a precast assembled integrated type concrete shear wall panel with a bottom hole containing multiple coupling beams. The precast assembled integrated type concrete shear wall panel comprises lateral connection rebars of the precast concrete shear wall panel, top connection rebars and bottom installation sleeves corresponding to the top connection rebars. The middle of the wall panel is provided with window holes. The lower end of the wall panel is provided with structure holes corresponding to the window holes, wall limbs, a general coupling beam, energy consumption coupling beams A and energy consumption coupling beams B. The width of the window holes is the same as that of the structure holes. The structure holes are filled with light non-structural materials. The portions, on the wall limbs, of the top coupling rebars are stretched out upwards to connect upper layers of shear wall rebars and lower layers of shear wall rebars. By means of the precast assembled integrated type concrete shear wall panel, the number of connected rebars is reduced, self weight is reduced, construction transportation and hoisting are facilitated, the concrete shear wall panel is good in anti-seismic performance, multiple seismic fortification lines are formed for a building, the energy-dissipation capacity of a wall body is enhanced, and the purpose of reducing repair cost is achieved.
Description
Technical field
The invention belongs to building unit field, particularly a kind of bottom punches containing the novel fabricated assembly overall concrete shear force wall plate of a plurality of 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 prerequisite of industrialization, it is the inexorable trend of construction and development of housing, the important means that advances dwelling construction to develop in a healthy way, be also construction and development of housing inexorable trend and must be 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 structural system and construction:
1. 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 is difficult for guaranteeing;
2. conventional fabricated assembly overall concrete shear force wall adopts and is equal to cast-in-place method for designing, but its actual anti-seismic performance outline is weaker than cast-in-situ steel reinforced concrete shear wall;
3. after conventional fabricated assembly overall concrete shear wall structure shake, repair difficulty large, cost is high.
Summary of the invention
The object of this invention is to provide a kind of bottom punches containing the fabricated assembly overall concrete shear force wall plate of many coupling beams, solve conventional fabricated assembly overall concrete shear force wall bar splice quantity many, quality is difficult for guaranteeing, a little less than anti-seismic performance, repairs the high technical problem of the large cost of difficulty after shake.
In order to guarantee can to repair after economy, anti-seismic performance and the shake of fabricated assembly overall shear wall or frame-shear wall structural system, the invention provides a kind of bottom and punch containing the novel fabricated assembly overall concrete shear force wall plate of many coupling beams,
For achieving the above object, adopt following technical scheme:
A kind of bottom punches containing the novel fabricated assembly overall concrete shear force wall plate of many coupling beams, the top ends that the both sides that comprise at least one row window hole that the middle part of the lateral connection steel muscle, top connecting reinforcement of precast concrete shear wall plate, the bottom installing sleeve corresponding with top connecting reinforcement, wallboard has, window hole form respectively the upside of the wall limb of shear wall slab, window hole, adjacent two wall limbs is connected to form lintel beam, also comprises:
The lower end of wallboard has the structural openings corresponding with window hole, forms power consumption coupling beam A between structural openings and window hole,
The width of described window hole and structural openings is identical,
Described structural openings is filled by the non-structural meterials of lightweight,
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.
On described wall limb, also have door opening, the upside of door opening is also lintel beam.
Described window hole be shaped as rectangle, trapezoidal, hexagon, octagon or the formed variant shape of above shape bight chamfering.
Described structural openings A is shaped as rectangle, trapezoidal, hexagon, octagon or the formed variant shape of above shape bight chamfering.
The bottom novel fabricated assembly overall concrete shear force wall plate containing many coupling beams that punches, comprises the lateral connection steel muscle, top connecting reinforcement of precast concrete shear wall plate, the bottom installing sleeve corresponding with top connecting reinforcement, also comprises:
At least one array structure hole having on wallboard, often list down interval at least arrange lower end that two structural openings and one of them hole be positioned at wallboard,
The both sides of structural openings form respectively shear wall slab wall limb,
The top ends of the upside of the structural openings of topmost, adjacent two wall limbs be connected to form lintel beam,
Between two neighbouring structural openings, form power consumption coupling beam B,
The width of described structural openings is all identical,
Described structural openings is filled by the non-structural meterials of lightweight,
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.
On described wall limb, also have door opening, the upside of door opening is also lintel beam.
Described structural openings be shaped as rectangle, trapezoidal, hexagon, octagon or the formed variant shape of above shape bight chamfering.
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention bottom punches containing the novel fabricated assembly overall concrete shear force wall plate of many coupling beams, compares with traditional fabricated assembly overall concrete shear force wall plate, has that anti-seismic performance is good, the advantage such as efficient of constructing, and is in particular in the following aspects:
First, structural openings is arranged on the lower end of wallboard, reduced the number of the default installing sleeves in both sides, hole, saved the quantity of the upper and lower layer of shear wall slab connecting reinforcement, only need partly carry out the connection of reinforcing bar at wall limb, remainder can only be done structure reinforcing bars, convenient construction has reduced cost, reduced job site and connected hidden danger, improved build guality, efficiency of construction is high.
The second, structural openings makes shear wall slab weight reduction, has facilitated construction transportation and lifting.
The 3rd, anti-seismic performance is good:
Structural experiment and Wenchuan earthquake disaster empirical evidence, compare common shear wall, although many coupling beams shear wall is provided with the rigidity of preferential power consumption coupling beam and decreases, but ductility is better, and power consumption coupling beam is as main power consumption parts, after meeting shake, can first damage, protected to a certain extent main body shear wall, make building form multiple seismic-proof, strengthened the energy dissipation capacity of body of wall, thereby structural seismic performance is improved, the collapse resistant capacity of structure under large shake obtained large increase, by the computational analysis coupling beam first surrender power consumption under middle shake that makes preferentially to consume energy, this part power consumption coupling beam can be repaired easily after shake.
When shear wall is under middle shake effect, structure is carried out after slight damage, shear wall of the present invention is more easily repaired, and rehabilitation cost is lower.In structure design, by adjusting the rigidity of different surrender power consumption coupling beams, make first to damage in earthquake centre in the power consumption coupling beam of easy reparation position, protection is difficult for repairing the lintel beam of position to a certain extent, to reach the object that reduces rehabilitation cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is two limb precast concrete shear wall plate schematic diagrames that the present invention contains single-row window hole.
Fig. 2 is the three limb precast concrete shear wall plate schematic diagrames that the present invention contains biserial window hole.
Fig. 3 is the three limb precast concrete shear wall plate schematic diagrames that the present invention contains single-row window hole and single-row door opening.
Fig. 4 is the four limbs precast concrete shear wall plate schematic diagram that the present invention contains biserial window hole and single-row door opening.
Fig. 5 is that the present invention does not contain two limb precast concrete shear wall plate schematic diagrames of door and window hole.
Fig. 6 is that the present invention does not contain three limb precast concrete shear wall plate schematic diagrames of door and window hole.
Fig. 7 is the three limb precast concrete shear wall plate schematic diagrames that the present invention contains single-row door opening.
Fig. 8 is the three limb precast concrete shear wall plate schematic diagrames that the present invention contains single-row window hole.
Reference numeral: 1-wall limb, 2.1-window hole, 2.2-structural openings, 2.3-door opening, 3-lintel beam, 4-power consumption coupling beam A, 5-top connecting reinforcement, 6-lateral connection steel muscle, 7-power consumption coupling beam B, 8-bottom installing sleeve, 9-lintel beam reinforcing bar.
The specific embodiment
The novel fabricated assembly overall concrete shear force wall plate that the present invention bottom punches containing many coupling beams is described in detail as follows by reference to the accompanying drawings:
Embodiment mono-: shown in Figure 1,
A kind of bottom punches containing the novel fabricated assembly overall concrete shear force wall plate of many coupling beams, the top ends that the both sides that comprise at least one row window hole 2.1 that the middle part of the lateral connection steel muscle 6, top connecting reinforcement 5 of precast concrete shear wall plate, the bottom installing sleeve 8 corresponding with top connecting reinforcement 5, wallboard has, window hole 2.1 form respectively the upside of the wall limb 1 of shear wall slab, window hole 2.1, adjacent two wall limbs 1 is connected to form lintel beam 3, also comprises:
The lower end of wallboard has the structural openings corresponding with window hole 2.1 2.2, forms power consumption coupling beam A4 between structural openings 2.2 and window hole 2.1,
Described window hole 2.1 is identical with the width of structural openings 2.2, and structural openings 2.2 is filled by the non-structural meterials of lightweight, such as air-entrained concrete building block, fly ash small hollow blocks etc.
Connecting reinforcement 5 parts at wall limb in described top protrude upward, and carry out the connection of upper and lower story shear wall reinforcing bar.
In the present embodiment, described precast concrete shear wall plate is coupled shear wall, and window hole 2.1 and structural openings 2.2 form single-row.
Embodiment bis-: shown in Figure 2, different from embodiment mono-, described precast concrete shear wall plate is three limb shear walls, totally two row window holes 2.1 and structural openings 2.2.
Embodiment tri-: shown in Figure 3, different from embodiment mono-, described precast concrete shear wall plate is three limb shear walls, also has door opening 2.3 on wall limb 1, and the upside of door opening 2.3 is also lintel beam 3.
Embodiment tetra-: shown in Figure 4, different from embodiment tri-, described precast concrete shear wall plate is four limbs shear wall, also has as another row window hole 2.1 and structural openings 2.2 in embodiment mono-on wall limb.
Embodiment five: shown in Figure 5,
The bottom novel fabricated assembly overall concrete shear force wall plate containing many coupling beams that punches, comprises the lateral connection steel muscle 6, top connecting reinforcement 5 of precast concrete shear wall plate, the bottom installing sleeve 8 corresponding with top connecting reinforcement 5, also comprises:
At least one array structure hole 2.2 having on wallboard, often list down interval at least arrange lower end that two structural openings 2.2 and one of them hole be positioned at wallboard,
The both sides of structural openings 2.2 form respectively shear wall slab wall limb 1,
The top ends of the upside of the structural openings of topmost, adjacent two wall limbs 1 be connected to form lintel beam 3,
Between two neighbouring structural openings 2.2, form power consumption coupling beam B7,
The width of described structural openings 2.2 is all identical, and structural openings 2.2 is filled by the non-structural meterials of lightweight, such as air-entrained concrete building block, fly ash small hollow blocks etc.
Connecting reinforcement 5 parts at wall limb in described top protrude upward, and carry out the connection of upper and lower story shear wall reinforcing bar.
In the present embodiment, described precast concrete shear wall plate is coupled shear wall, and totally three formation of structural openings 2.2 is single-row.
Embodiment six: shown in Figure 6, different from embodiment five, described precast concrete shear wall plate is three limb shear walls, and totally six structural openings 2.2 form two row.
Embodiment seven: shown in Figure 7, different from embodiment five, described precast concrete shear wall plate is three limb shear walls, also has door opening 2.3 on wall limb 1, and the upside of door opening 2.3 is also lintel beam 3.
Embodiment eight: shown in Figure 8, different from embodiment five, described precast concrete shear wall plate is three limb shear walls, also has as another row window hole 2.1 and structural openings 2.2 in embodiment mono-on wall limb 1.
The shape of described window hole 2.1 and structural openings 2.2 can be rectangle, trapezoidal, hexagon, octagon or the formed variant shape of above shape bight chamfering, in above embodiment, is rectangle.
Construction method of the present invention is as follows:
Step 1, according to structural entity, size, quantity and the position of structural openings determined in computational analysis;
Step 2, opening structure hole on fabricated assembly overall concrete shear force wall plate, the surrounding of structural openings forms wall limb 1, lintel beam 3, power consumption coupling beam A4, power consumption coupling beam B7, and power consumption coupling beam forms structure Lateral Resistant System;
Step 3, the side of fabricated assembly overall concrete shear force wall plate is by lateral connection steel muscle 6 and cast-in-situ concrete anchoring, and the level connection joint between fabricated assembly overall concrete shear force wall plate levels is connected by the top connecting reinforcement 5 of bottom wall panel and the bottom installing sleeve 8 of top wall panel, overlap joint or other mechanical connection manner;
Step 4, last, structural openings, after fabricated assembly overall concrete shear force wall plate installs, is filled with the non-structural meterials of lightweight before finishing.
The present invention is mainly used in design and the construction of fabricated assembly overall shear wall and shear force of frame wall construction, promotes economy and the anti-seismic performance of current fabricated assembly overall shear wall and shear force of frame wall construction.The present invention is applicable to the prefabricated inside and outside shear wall slab in how high-rise fabricated assembly overall concrete shear wall structure and shear force of frame wall construction, 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 shear wall wallboard of the present invention; only the lintel beam reinforcing bar 9 by lintel beam 3 is fixedly connected with layer by layer with building floor; the power consumption coupling beam A4 and the power consumption coupling beam B7 that when seismic forces is conducted, are positioned at wallboard bottom are first destroyed; when like this shear wall is repaired, also only need to repair the bottom of wallboard, the part of the difficult reparation that top is connected with floor is protected.
Claims (7)
1. the bottom novel fabricated assembly overall concrete shear force wall plate containing many coupling beams that punches, the both sides that comprise at least one row window hole (2.1) that the middle part of the lateral connection steel muscle (6), top connecting reinforcement (5) of precast concrete shear wall plate, the bottom installing sleeve (8) corresponding with top connecting reinforcement (5), wallboard has, window hole (2.1) form respectively the wall limb (1) of shear wall slab,
The top ends of the upside of window hole (2.1), adjacent two wall limbs (1) is connected to form lintel beam (3), it is characterized in that, also comprises:
The lower end of wallboard has the structural openings (2.2) corresponding with window hole (2.1), forms power consumption coupling beam A(4 between structural openings (2.2) and window hole (2.1)),
Described window hole (2.1) is identical with the width of structural openings (2.2),
Described structural openings (2.2) is filled by the non-structural meterials of lightweight,
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 bottom according to claim 1 punches containing the novel fabricated assembly overall concrete shear force wall plate of many coupling beams, it is characterized in that: on described wall limb (1), also have door opening (2.3), the upside of door opening (2.3) is also lintel beam (3).
3. a kind of bottom according to claim 1 novel fabricated assembly overall concrete shear force wall plate containing many coupling beams that punches, is characterized in that: described window hole (2.1) be shaped as rectangle, trapezoidal, hexagon, octagon or the formed variant shape of above shape bight chamfering.
4. a kind of bottom according to claim 1 novel fabricated assembly overall concrete shear force wall plate containing many coupling beams that punches, is characterized in that: described structural openings A(2.2) be shaped as rectangle, trapezoidal, hexagon, octagon or the formed variant shape of above shape bight chamfering.
5. a bottom punches containing the novel fabricated assembly overall concrete shear force wall plate of many coupling beams, comprise the lateral connection steel muscle (6), top connecting reinforcement (5) of precast concrete shear wall plate, the bottom installing sleeve (8) corresponding with top connecting reinforcement (5), it is characterized in that, also comprise:
At least one array structure hole (2.2) having on wallboard, often list down interval at least arrange lower end that two structural openings (2.2) and one of them hole be positioned at wallboard,
The both sides of structural openings (2.2) form respectively shear wall slab wall limb (1),
The top ends of the upside of the structural openings of topmost, adjacent two wall limbs (1) be connected to form lintel beam (3),
Between neighbouring two structural openings (2.2), form power consumption coupling beam B(7),
The width of described structural openings (2.2) is all identical,
Described structural openings (2.2) is filled by the non-structural meterials of lightweight,
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.
6. a kind of bottom according to claim 1 punches containing the novel fabricated assembly overall concrete shear force wall plate of many coupling beams, it is characterized in that: on described wall limb (1), also have door opening (2.3), the upside of door opening (2.3) is also lintel beam (3).
7. a kind of bottom according to claim 1 novel fabricated assembly overall concrete shear force wall plate containing many coupling beams that punches, is characterized in that: described structural openings (2.2) be shaped as rectangle, trapezoidal, hexagon, octagon or the formed variant shape of above shape bight chamfering.
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| CN201410464518.0A CN104179273B (en) | 2014-09-15 | 2014-09-15 | A kind of bottom punches the fabricated assembly overall concrete shear wallboard containing many coupling beams |
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| CN201410464518.0A CN104179273B (en) | 2014-09-15 | 2014-09-15 | A kind of bottom punches the fabricated assembly overall concrete shear wallboard containing many coupling beams |
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Cited By (4)
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| CN105714958A (en) * | 2016-03-02 | 2016-06-29 | 润铸建筑工程（上海）有限公司 | Beam and wall integral outer wall board of prefabricated sectional steel beam |
| CN107100293A (en) * | 2017-04-28 | 2017-08-29 | 东南大学 | A kind of assembled power consumption concrete shear force wall |
| CN108385871A (en) * | 2015-08-19 | 2018-08-10 | 周兆弟 | The precast wall body of fabricated structure |
| CN114892882A (en) * | 2022-06-14 | 2022-08-12 | 中国建筑标准设计研究院有限公司 | Prefabricated wallboard with assembled cross-layer connecting beam, connecting structure and construction method of prefabricated wallboard |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108385871A (en) * | 2015-08-19 | 2018-08-10 | 周兆弟 | The precast wall body of fabricated structure |
| CN105714958A (en) * | 2016-03-02 | 2016-06-29 | 润铸建筑工程（上海）有限公司 | Beam and wall integral outer wall board of prefabricated sectional steel beam |
| CN107100293A (en) * | 2017-04-28 | 2017-08-29 | 东南大学 | A kind of assembled power consumption concrete shear force wall |
| CN114892882A (en) * | 2022-06-14 | 2022-08-12 | 中国建筑标准设计研究院有限公司 | Prefabricated wallboard with assembled cross-layer connecting beam, connecting structure and construction method of prefabricated wallboard |
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