CN108166652B - Double-sided superimposed shear wall with connecting lacing wires and construction method thereof - Google Patents
Double-sided superimposed shear wall with connecting lacing wires and construction method thereof Download PDFInfo
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- CN108166652B CN108166652B CN201810146963.0A CN201810146963A CN108166652B CN 108166652 B CN108166652 B CN 108166652B CN 201810146963 A CN201810146963 A CN 201810146963A CN 108166652 B CN108166652 B CN 108166652B
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- panel
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- steel bar
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8623—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic
- E04B2/8629—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic with both form leaves and spacers being monolithic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0062—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects forcing the elements into the cast material, e.g. hooks into cast concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
- E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to the technical field of building shear wall structures, and discloses a double-sided superimposed shear wall with connecting lacing wires and a construction method thereof. The invention comprises prefabricated panels positioned at two sides of a shear wall, a steel bar truss arranged between the two prefabricated panels, and cast-in-place concrete between the two prefabricated panels; a connecting lacing wire is further arranged between the two prefabricated panels; the connecting lacing wires are perpendicular to the prefabricated panel. The invention has simple structure, convenient mechanized and batch production, strong transverse constraint and good earthquake resistance.
Description
Technical Field
The invention relates to the technical field of building shear wall structures, in particular to a double-sided superimposed shear wall with connecting lacing wires and a construction method thereof.
Background
The double-sided superimposed shear wall structure is a semi-precast and semi-cast-in-situ concrete structure, absorbs the advantages of the cast-in-situ concrete structure and the precast concrete structure, has the characteristics of high quality of precast components and good cast-in-situ connection integrity, meets the requirements of residential industrialization, and is increasingly applied to the field of buildings.
At present, the manufacturing method of the double-sided superimposed shear wall at home and abroad generally comprises the steps of arranging reinforcing steel bars, pouring single-sided concrete, vibrating the concrete, curing, pouring concrete on the other side, overturning the poured concrete slab, pressing the poured concrete slab into a preset height, pouring in situ and the like. The processing method can realize the prefabricated part of the double-sided superimposed shear wall, is simple and convenient to operate and has good economic benefit.
However, the conventional shear wall manufacturing mode determines that only one side of the manufactured shear wall plate is reliably connected with truss steel bars, the other side of the manufactured shear wall plate is not connected with truss steel bars, and effective transverse constraint is difficult to form between the prefabricated wall plates on the two sides, so that the connection performance of the steel bar truss and the steel bar meshes in the prefabricated wall plates is greatly weakened, and the earthquake resistance of the overall structure of the shear wall is reduced. Meanwhile, due to the fact that transverse constraint differences between the prefabricated wall boards at the two sides are poor, when concrete in the middle-layer cavity is poured, lateral action effects on the prefabricated wall boards at the two sides are remarkable, and stability of the whole laminated wall body is affected to a large extent.
Disclosure of Invention
The double-sided superimposed shear wall with the connecting lacing wires has the advantages of simple structure, convenient mechanical and batch production, strong transverse constraint and good anti-seismic performance, and the construction method thereof.
The technical problems to be solved are as follows: the existing construction mode of the double-sided superimposed shear wall limits the transverse constraint difference between the prefabricated wall boards at two sides, greatly weakens the connection performance of the steel bar truss and the steel bar net sheet in the prefabricated wall boards, and reduces the earthquake resistance of the whole structure of the shear wall; and when concrete in the middle layer cavity is poured, the side effect on the prefabricated wall boards on two sides is remarkable, and the stability of the whole laminated wall body is greatly influenced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a double-sided superimposed shear wall with connecting lacing wires, which comprises prefabricated panels positioned at two sides of the shear wall, a steel bar truss arranged between the two prefabricated panels, and cast-in-place concrete between the two prefabricated panels; the method is characterized in that: a connecting lacing wire is further arranged between the two prefabricated panels; the connecting lacing wires are perpendicular to the prefabricated panel.
The invention relates to a double-sided superimposed shear wall with connecting lacing wires, which is characterized in that the prefabricated panels comprise a first panel and a second panel, and a first reinforcing steel mesh and a second reinforcing steel mesh are respectively paved in the first panel and the second panel.
According to the double-sided superimposed shear wall with the connecting lacing wires, further, the steel bar trusses are uniformly arranged at intervals along the side length direction of the prefabricated panel, the lower chord steel bars of the steel bar trusses are fixedly connected with the first steel bar net sheets in the first panel, and the upper chord steel bars of the steel bar trusses are positioned in the concrete structure of the second panel.
According to the double-sided superimposed shear wall with the connecting lacing wires, one end of each connecting lacing wire horizontally extends outwards to form a fixing part, and the fixing parts are fixedly connected with the second reinforcing steel bar net pieces; the other end of the connecting lacing wire is a free end and extends into the cast-in-place concrete; and the connecting lacing wires which are arranged on the same straight line with the steel bar truss are connected with the steel bar truss in a lap joint way.
According to the double-sided superimposed shear wall with the connecting lacing wires, further, the end parts of the free ends of the connecting lacing wires horizontally extend outwards to form the bent anchor sections.
The double-sided superimposed shear wall with the connecting lacing wires is characterized in that the end part of the free end of the connecting lacing wires is also provided with an anchor plate, and the anchor plate is perpendicular to the connecting lacing wires.
According to the double-sided superimposed shear wall with the connecting lacing wires, further, the end heads of the fixing parts of the connecting lacing wires vertically extend downwards or extend downwards obliquely towards one side close to the connecting lacing wires to form the clamping parts.
The double-sided superimposed shear wall with the connecting lacing wires is further characterized in that the connecting lacing wires are linear or spiral.
The double-sided superimposed shear wall with the connecting lacing wires is further provided with the connecting lacing wires which are arranged at the peripheral edges of the prefabricated panel in an encrypted mode.
The invention discloses a construction method of a double-sided superimposed shear wall with connecting lacing wires, which comprises the following steps:
step one, prefabricating a first steel bar net sheet, a second steel bar net sheet, a steel bar truss and connecting lacing wires in a factory;
step two, supporting a template of the first panel, and paving a first reinforcing mesh;
step three, arranging a steel bar truss on the first steel bar net sheet;
pouring a first panel and curing;
fifthly, supporting a template of the second panel, and paving a second reinforcing mesh;
step six, arranging connecting lacing wires on the second reinforcing mesh;
step seven, pouring a second panel;
step eight, before the initial setting of the concrete of the second panel, turning over the first panel, and pressing the upper chord steel bars of the steel bar truss into the concrete of the second panel to a preset height;
step nine, curing the prefabricated panel to standard strength, completing a factory processing part, and conveying to a construction site;
and step ten, connecting the prefabricated panel component with the rest connecting components, casting the cavity concrete in situ, and curing to reach standard strength.
Compared with the prior art, the double-sided superimposed shear wall with the connecting lacing wires and the construction method thereof have the following beneficial effects:
according to the double-sided superimposed shear wall with the connecting lacing wires, the steel bar trusses and the connecting lacing wires are arranged between the two prefabricated panels at the same time, the lower chord steel bars of the steel bar trusses are reliably connected with the steel bar meshes on one side, the fixing parts of the connecting lacing wires are reliably connected with the steel bar meshes on the other side, the prefabricated panels on the two sides are reliably connected with the connecting members in the cast-in-place concrete, and the stability and the firmness of the integral structure of the superimposed shear wall are greatly improved.
The connecting lacing wires can be in lap joint connection with the steel bar trusses, effective transverse constraint is provided between the prefabricated panels at the two sides, lateral action of concrete on the prefabricated panels at the two sides when concrete in the cavity is poured is effectively resisted, transverse constraint force and earthquake resistance in the shear wall are greatly improved, and the requirement of people on setting higher and higher quality of a building is met.
The connecting lacing wire fixed end is in a straight hook or a bent hook shape, so that the connecting lacing wire fixed end is convenient to fix with a reinforcing steel bar net sheet, the construction difficulty is reduced, the construction efficiency is improved, the connection firmness between the connecting lacing wire and the reinforcing steel bar net sheet is improved, and the firmness of the integral structure of the superimposed shear wall is improved; the free end of the connecting lacing wire can be provided with a bent anchor section or an anchor plate, so that the connection strength between the connecting lacing wire and cast-in-place concrete in the cavity can be increased, and the stability of the integral structure of the superimposed shear wall is improved.
The construction method of the double-sided superimposed shear wall with the connecting lacing wires adopts a mode of matching construction of the panel turnover machine, and the prefabricated panels on two sides are connected in a pressing manner, so that the construction mechanization degree is high, the operation is convenient, the construction efficiency is high, and the mass production is facilitated; the arrangement of the connecting lacing wires improves the transverse constraint of the prefabricated panels at two sides, reduces the difficulty of cast-in-situ construction, reduces the damage rate of the shear wall caused in the cast-in-situ construction, avoids unnecessary waste, and improves the construction efficiency and economic benefit.
The double-sided superimposed shear wall with the connecting lacing wires is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a frame structure of a double-sided stacked shear wall with connecting ties according to the present invention;
FIG. 2 is a schematic view of section A-A of FIG. 1;
FIG. 3 is a schematic view of section B-B of FIG. 1;
FIG. 4 is a schematic illustration of one embodiment of a connecting tie;
FIG. 5 is another embodiment of a connecting tie;
fig. 6 shows another embodiment of the connecting tie.
Reference numerals:
11-a first panel; 12-a second panel; 2-a steel bar truss; 3-connecting lacing wires; 31-a fixing part; 32-clamping parts; 33-free end; 34-bending the anchor section; 35-an anchor plate; 4-cast-in-situ concrete; 51-a first reinforcing mesh; 52-second reinforcing mesh.
Detailed Description
As shown in fig. 1 to 3, the double-sided superimposed shear wall with the connecting tie according to the present invention comprises prefabricated panels located at both sides of the shear wall, a steel bar truss 2 and a connecting tie 3 disposed between the two prefabricated panels, and cast-in-place concrete 4 between the two prefabricated panels.
The prefabricated panel comprises a first panel 11 and a second panel 12, and a first reinforcing mesh 51 and a second reinforcing mesh 52 are respectively paved on the first panel 11 and the second panel 12.
The steel bar trusses 2 are arranged along the side length direction of the prefabricated panel at uniform intervals, the distance between every two adjacent steel bar trusses 2 is not more than 600mm, lower chord steel bars of the steel bar trusses 2 are fixedly connected with the first steel bar meshes 51 in the first panel 11 through welding or binding, and upper chord steel bars are located in the concrete structure of the second panel 12.
As shown in fig. 3 to 6, the connecting lacing wires 3 are in a straight line shape or a spiral shape, are perpendicular to the second panel 12, are arranged in a matrix shape or a plum blossom shape in the second panel 12, the distance between adjacent connecting lacing wires 3 is not more than 200mm, the connecting lacing wires 3 positioned at the peripheral edges of the prefabricated panel are arranged in an encrypted manner, and the distance between the adjacent connecting lacing wires 3 at the peripheral edges of the prefabricated panel is not more than 80mm; the connecting lacing wires 3 positioned on the same straight line are overlapped with the steel bar truss 2; one end of the connecting lacing wire 3 horizontally extends outwards to form a fixing part 31, the end head of the fixing part 31 can also vertically extend downwards or obliquely extend downwards towards one side close to the connecting lacing wire 3 to form a clamping part 32, and the fixing part 31 of the connecting lacing wire 3 is fixedly connected with the second reinforcing steel mesh 52 through welding or binding; the other end of the connecting lacing wire 3 is a free end 33 which extends into the cast-in-place concrete 4, the end part can also horizontally extend outwards to form a bent anchor section 34, an anchor plate 35 can also be arranged, the anchor plate 35 is perpendicular to the connecting lacing wire 3, and is welded and fixed with the free end 33 of the connecting lacing wire 3;
as a variant of the invention, it is also possible to provide only the connecting ties 3 separately between the two prefabricated panels.
The cast-in-place concrete 4 is self-compacting concrete or common concrete, the prefabricated components are preliminarily connected with the on-site connecting components after being transported to the construction site, the on-site connecting components are connected through connecting reinforcing bars, and then the cast-in-place concrete 4 is poured between the prefabricated panels on two sides.
The invention relates to a construction method of a double-sided superimposed shear wall with connecting lacing wires, which comprises the following steps of;
step one, prefabricating a first reinforcing mesh 51, a second reinforcing mesh 52, a reinforcing truss 2 and connecting lacing wires 3 in a factory;
step two, cleaning the template, supporting the template of the first panel 11 according to construction design requirements, and paving a first reinforcing mesh 51 on the template;
step three, arranging a steel bar truss 2 on the first steel bar net piece 51, and welding or binding and fixing the lower chord steel bar of the steel bar truss 2 with the first steel bar net piece 51;
pouring a first panel 11 and curing;
step five, cleaning the template, supporting the template of the second panel 12 according to the construction design requirement, and paving a second reinforcing mesh 52 on the template;
step six, arranging connecting lacing wires 3 on the second reinforcing mesh 52, and welding or binding and fixing the fixing part 31 for connecting the lacing wires 3 with the second reinforcing mesh 52;
step seven, pouring a second panel 12;
step eight, before the initial setting of the concrete of the second panel 12, turning over the first panel 11, and pressing the upper chord steel bars of the steel bar truss 2 into the concrete of the second panel 12 to a preset height;
step nine, curing the prefabricated panel to standard strength, completing a factory processing part, and conveying to a construction site;
and step ten, connecting the prefabricated panel component with the rest connecting components, casting the cavity concrete in situ, and curing to reach standard strength.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (5)
1. The double-sided superimposed shear wall with the connecting lacing wires comprises prefabricated panels positioned at two sides of the shear wall, a steel bar truss (2) arranged between the two prefabricated panels, and cast-in-place concrete (4) between the two prefabricated panels; the method is characterized in that: a connecting lacing wire (3) is also arranged between the two prefabricated panels; the connecting lacing wires (3) are perpendicular to the prefabricated panels, the prefabricated panels comprise a first panel (11) and a second panel (12), and a first reinforcing steel mesh (51) and a second reinforcing steel mesh (52) are respectively paved on the first panel (11) and the second panel (12); the steel bar trusses (2) are uniformly arranged at intervals along the side length direction of the prefabricated panel; the lower chord steel bars of the steel bar truss (2) are fixedly connected with the first steel bar net pieces (51) in the first panel (11), and the upper chord steel bars of the steel bar truss (2) are positioned in the concrete structure of the second panel (12); one end of the connecting lacing wire (3) horizontally extends outwards to form a fixing part (31), and the fixing part (31) is fixedly connected with the second reinforcing steel mesh (52); the other end of the connecting lacing wire (3) is a free end (33) which stretches into the cast-in-place concrete (4); the connecting lacing wire (3) which is arranged on the same straight line with the steel bar truss (2) is in lap joint with the steel bar truss (2); the connecting lacing wires (3) are spiral, and the connecting lacing wires (3) positioned at the periphery of the prefabricated panel are arranged in an encrypted mode.
2. The double-sided composite shear wall with connecting ties of claim 1, wherein: the end part of the free end (33) of the connecting lacing wire (3) horizontally extends outwards to form a bent anchor section (34).
3. The double-sided composite shear wall with connecting ties of claim 1, wherein: the end part of the free end (33) of the connecting lacing wire (3) is also provided with an anchor plate (35), and the anchor plate (35) is perpendicular to the connecting lacing wire (3).
4. A double-sided composite shear wall with connecting ties according to any one of claims 1-3, wherein: the end of the fixing part (31) of the connecting lacing wire (3) extends vertically downwards or extends obliquely downwards towards one side close to the connecting lacing wire (3) to form a clamping part (32).
5. The construction method of the double-sided superimposed shear wall with connecting lacing wires according to any one of claims 1-3, wherein the construction method comprises the following steps: the method comprises the following steps:
step one, prefabricating a first reinforcing mesh (51), a second reinforcing mesh (52), a reinforcing truss (2) and connecting lacing wires (3) in a factory;
step two, supporting a template of the first panel (11), and paving a first reinforcing mesh (51);
step three, arranging a steel bar truss (2) on the first steel bar net piece (51);
pouring a first panel (11) and curing;
fifthly, supporting a template of the second panel (12), and paving a second reinforcing mesh (52);
step six, arranging connecting lacing wires (3) on the second reinforcing mesh (52);
step seven, pouring a second panel (12);
step eight, before the initial setting of the concrete of the second panel (12), turning over the first panel (11), and pressing the upper chord steel bars of the steel bar truss (2) into the concrete of the second panel (12) to a preset height;
step nine, curing the prefabricated panel to standard strength, completing a factory processing part, and conveying to a construction site;
and step ten, connecting the prefabricated panel component with the rest connecting components, casting the cavity concrete in situ, and curing to reach standard strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146963.0A CN108166652B (en) | 2018-02-12 | 2018-02-12 | Double-sided superimposed shear wall with connecting lacing wires and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146963.0A CN108166652B (en) | 2018-02-12 | 2018-02-12 | Double-sided superimposed shear wall with connecting lacing wires and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN108166652A CN108166652A (en) | 2018-06-15 |
| CN108166652B true CN108166652B (en) | 2023-10-03 |
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| CN108756027B (en) * | 2018-06-28 | 2023-06-27 | 美好建筑装配科技有限公司 | Sandwich heat-insulating superimposed shear wall and construction process thereof |
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| CN110065136A (en) * | 2019-03-19 | 2019-07-30 | 美好建筑装配科技有限公司 | A kind of two-sided composite wallboard and its production technology |
| CN110512797A (en) * | 2019-07-19 | 2019-11-29 | 中铁建设集团南方工程有限公司 | A kind of lacing wire connection structure of type steel-concrete conversion beam |
| CN110984462B (en) * | 2019-12-24 | 2024-02-20 | 广东工业大学 | Semi-composite assembled externally-hung sandwich wallboard |
| CN112922195A (en) * | 2021-04-09 | 2021-06-08 | 中信国安建工集团有限公司 | Full-shear wall explosion-proof structure and construction method |
| CN113216451A (en) * | 2021-06-08 | 2021-08-06 | 青岛腾远设计事务所有限公司 | Attached prefabricated shear wall and construction method thereof |
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| CN108166652A (en) | 2018-06-15 |
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