CN113202211A - Construction method of assembled oblique steel plate mesh cast-in-place concrete shear wall - Google Patents
Construction method of assembled oblique steel plate mesh cast-in-place concrete shear wall Download PDFInfo
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- CN113202211A CN113202211A CN202110510179.5A CN202110510179A CN113202211A CN 113202211 A CN113202211 A CN 113202211A CN 202110510179 A CN202110510179 A CN 202110510179A CN 113202211 A CN113202211 A CN 113202211A
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
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Abstract
The invention discloses a construction method of an assembled inclined steel plate mesh cast-in-place concrete shear wall, which comprises the following steps: firstly, determining the number of layers of a shear wall; secondly, constructing a single-layer shear wall steel skeleton; thirdly, casting a single-layer shear wall in situ; fourthly, constructing a multi-layer shear wall steel skeleton; fifthly, casting a multilayer shear wall in situ. The shear wall steel skeleton is constructed by mounting the oblique steel plate meshes in a fully-assembled mode according to different building structures, the combination form is variable and flexible, the assembly is simple, the transportation is light, the universality is high, concrete is cast in situ on site, the formed shear wall is stable in structure, the construction cost can be effectively saved, the assembled characteristics are met, in addition, the oblique steel plate meshes are used, the oblique tensile stress is improved on the inner wall body and the outer wall body of the shear wall, and the crack diseases of the wall body are treated and prevented.
Description
Technical Field
The invention belongs to the technical field of assembled cast-in-place shear walls, and particularly relates to a construction method of an assembled oblique steel plate mesh cast-in-place concrete shear wall.
Background
Shear walls are also known as wind resistant walls, seismic walls or structural walls. The wall body mainly bears horizontal load and vertical load caused by wind load or earthquake action in a house or a structure, prevents the structure from shearing and damaging, and is generally made of reinforced concrete. At present, China is vigorously promoting the transformation of traditional buildings to industrialized buildings. In the traditional building, most of works need to bind a reinforcement cage on a construction site, concrete is cast in situ, the formed shear wall has a relatively stable structure and a proper size, but the problems of long construction period, large stacking field, shortage of constructors and the like become barriers for inhibiting the progress of the building industry. Although the prefabricated building has the advantages of a higher construction aspect, various shaping molds are needed for different building structures, so that the universality of the shear wall is poor, the self weight of the formed shear wall is large, the transportation is inconvenient, in addition, the assembly process needs large-scale mechanical equipment to assist, the positioning is difficult, the reinforcing is difficult, the process of adjusting the horizontal verticality of the shear wall is complicated, the construction progress is not well controlled due to large workload, the construction efficiency is low, the construction precision is not good, the cost is high, in addition, the problems of water leakage and the like of a combined structure wall body are serious, the satisfaction of a user on the assembly type is poor, and the development of the assembly type structure is difficult to promote. Meanwhile, in the existing shear wall, no matter the cast-in-place shear wall or the fabricated shear wall, an oblique crack is generated under the interference of an external environment, and the stability and the attractiveness of the wall body are influenced.
Disclosure of Invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and the construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: the construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is characterized by comprising the following steps:
step one, determining the number of layers of a shear wall: determining the number of layers of the shear wall according to the building design requirements, and executing the second step when the shear wall is a single layer; when the shear wall is multilayer, executing the step four;
step two, constructing a single-layer shear wall steel skeleton, and the process is as follows:
step 201, determining a topological structure of a steel framework of a single-layer shear wall according to a design drawing;
202, disassembling the topological structure of the steel skeleton of the single-layer shear wall, and determining the number of steel skeleton connecting nodes in the topological structure of the steel skeleton of the single-layer shear wall and the number of the steel skeleton of the I-shaped shear wall between the steel skeleton connecting nodes, wherein a square steel pipe is arranged at each steel skeleton connecting node;
the steel skeleton of the I-shaped shear wall comprises a middle skeleton and end steel skeletons arranged at two ends of the middle skeleton, wherein each end steel skeleton comprises a first end steel skeleton arranged at one end of the middle skeleton and a second end steel skeleton arranged at the other end of the middle skeleton, and the middle skeleton comprises a middle steel skeleton; the first end steel skeleton, the middle steel skeleton and the second end steel skeleton comprise a skeleton lower connecting steel plate, an oblique steel plate net piece and a skeleton upper connecting steel plate which are sequentially arranged from bottom to top;
step 203, determining the length of each steel skeleton of the linear shear wall by increasing or decreasing the number of the middle steel skeletons according to the topological structure of the steel skeleton of the single-layer shear wall;
step 204, prefabricating and welding a steel framework of the I-shaped shear wall in a factory;
the structure of the first end part steel skeleton is the same as that of the middle part steel skeleton, the lower skeleton connecting steel plates and the oblique steel plate meshes of the first end part steel skeleton and the middle part steel skeleton are both U-shaped structures with two end parts folded inwards, the lower skeleton connecting steel plates and the oblique steel plate meshes of the second end part steel skeleton are both rectangular ring structures, and the upper skeleton connecting steel plates of the first end part steel skeleton, the middle part steel skeleton and the second end part steel skeleton respectively comprise two clamping steel plates which are oppositely arranged;
the direction of the lower connecting steel plates of the first end part steel frame and the middle part steel frame in the steel frame of the I-shaped shear wall is the same, the direction of the oblique steel plate meshes of the first end part steel frame and the middle part steel frame in the steel frame of the I-shaped shear wall is the same, and the outer side surfaces of the inner folding parts of the lower connecting steel plates of the first end part steel frame and the middle part steel frame and the oblique steel plate meshes are welding surfaces;
step 205, transporting each prefabricated straight-line-shaped shear wall steel skeleton and a corresponding number of square steel pipes to a construction site, welding each prefabricated straight-line-shaped shear wall steel skeleton and a corresponding number of square steel pipes according to the topological structure of the single-layer shear wall steel skeleton, and welding the whole connecting surface of the straight-line-shaped shear wall steel skeleton and the square steel pipes to form the single-layer shear wall steel skeleton;
step three, casting a single-layer shear wall in situ: the single-layer shear wall steel skeleton is supported and fixed, concrete is cast in situ in the single-layer shear wall steel skeleton template, and after the concrete is solidified, a single-layer shear wall is formed;
step four, constructing a multi-layer shear wall steel skeleton, and the process is as follows:
step 401, constructing each layer of shear wall steel skeleton layer by layer, wherein the construction process of each layer of shear wall steel skeleton is the same as that of the step two;
402, wrapping an upper skeleton connecting steel plate of the lower-layer shear wall steel skeleton in the two layers of shear wall steel skeletons which are adjacent up and down outside a lower skeleton connecting steel plate of the upper-layer shear wall steel skeleton in the two layers of shear wall steel skeletons which are adjacent up and down, and connecting the upper skeleton connecting steel plate of the lower-layer shear wall steel skeleton with the lower skeleton connecting steel plate of the upper-layer shear wall steel skeleton through a pulling rivet;
the square steel tube of the shear wall steel skeleton positioned at the lower layer in the two layers of shear wall steel skeletons which are adjacent up and down is wrapped outside the square steel tube of the shear wall steel skeleton positioned at the upper layer in the two layers of shear wall steel skeletons which are adjacent up and down, and the square steel tube of the shear wall steel skeleton at the lower layer is welded with the square steel tube of the shear wall steel skeleton at the upper layer to form a multilayer shear wall steel skeleton;
step five, casting the multilayer shear wall in situ: and (3) supporting and fixing the steel skeleton of the multilayer shear wall, casting concrete in the steel skeleton template of the multilayer shear wall in situ, and forming the multilayer shear wall after the concrete is solidified.
The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is characterized by comprising the following steps of: in step 203, the number of the middle steel frames in the steel frames of the I-shaped shear wall is one or more.
The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is characterized by comprising the following steps of: the lower skeleton connecting steel plate of the first end part steel skeleton is a first end part lower skeleton connecting steel plate, the oblique steel plate mesh of the first end part steel skeleton is a first end part oblique steel plate mesh, and the upper skeleton connecting steel plate of the first end part steel skeleton is an upper end part skeleton connecting steel plate;
the lower skeleton connecting steel plate of the second end part steel skeleton is a lower second end part skeleton connecting steel plate, the oblique steel plate mesh of the second end part steel skeleton is a second end part oblique steel plate mesh, and the upper skeleton connecting steel plate of the second end part steel skeleton is an upper end part skeleton connecting steel plate;
the lower skeleton connecting steel plate of the middle steel skeleton is a lower middle skeleton connecting steel plate, the oblique steel plate mesh of the middle steel skeleton is a middle oblique steel plate mesh, and the upper skeleton connecting steel plate of the middle steel skeleton is an upper middle skeleton connecting steel plate.
The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is characterized by comprising the following steps of: the middle steel skeleton is longer than the first end steel skeleton, and the first end steel skeleton and the second end steel skeleton are equal in length.
The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is characterized by comprising the following steps of: and two side surfaces of the oblique steel plate net piece of the U-shaped structure face the inner side and the outer side of the shear wall respectively.
The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is characterized by comprising the following steps of: the L-shaped steel skeleton is formed by the square steel pipe and two steel skeletons of the I-shaped shear wall which are vertically arranged, L-shaped steel skeleton nodes are formed at the positions of the square steel pipes of the L-shaped steel skeleton, and the L-shaped shear wall is formed after concrete is cast on the L-shaped steel skeleton in situ;
the square steel tube and the three steel frameworks of the I-shaped shear wall form a T-shaped steel framework, T-shaped steel framework nodes are formed at the positions of the square steel tubes of the T-shaped steel framework, and the T-shaped shear wall is formed after concrete is cast on the T-shaped steel framework in situ;
the square steel tube and the four steel frameworks of the straight shear wall form a cross steel framework, cross steel framework nodes are formed at the positions of the square steel tubes of the cross steel framework, and the cross shear wall is formed after concrete is cast in situ on the cross steel framework;
the steel skeleton cast-in-place concrete of the I-shaped shear wall forms the I-shaped shear wall.
Compared with the prior art, the invention has the following advantages:
1. according to different building structures, the oblique steel plate meshes are mounted in a fully-assembled mode through the linear shear wall steel frameworks and the square steel pipes to construct the shear wall steel frameworks, each linear shear wall steel framework in the shear wall steel frameworks is combined by the first end steel framework, the second end steel framework and the middle steel framework according to the length of the shear wall, the square steel pipes can form L-shaped steel framework nodes, T-shaped steel framework nodes and cross-shaped steel framework nodes in the shear wall steel frameworks, and the steel wall steel frame is changeable and flexible in combination form, simple to assemble, light and convenient to transport, strong in universality and convenient to popularize and use.
2. The invention has the advantages that through on-site formwork support and cast-in-place concrete, the formed shear wall has stable structure, avoids the connection of the shear walls, has simple positioning and reinforcing, simple working procedure for adjusting the horizontal verticality of the shear wall, high construction efficiency, good construction precision and low cost, avoids the problems of water leakage and the like of a combined structure wall body, can effectively save the construction cost and also accords with the assembled characteristic, in addition, the inclined steel plate net piece is used, the inclined tensile stress is improved on the inner wall body and the outer wall body of the shear wall, the crack diseases of the wall body are controlled and prevented, and the invention has reliability, stability and good use effect.
3. The invention can be used for an assembled structure by factory prefabrication and preliminary assembly, accords with the development direction of the current building structure, replaces a double-layer reinforcing mesh with the oblique steel plate mesh, and can be prefabricated in a factory and assembled on site, thereby reducing the site operation, lowering the construction cost, improving the construction speed, conforming to the requirement of green buildings, reducing the pollution and saving the resources; in addition, the oblique section of the shear wall is enhanced in shear bearing capacity by the oblique steel plate meshes.
4. The method has simple steps, the structures of the first end part steel frame, the second end part steel frame and the middle part steel frame respectively comprise a framework lower connecting steel plate, an oblique steel plate net piece and a framework upper connecting steel plate which are sequentially arranged from bottom to top, so that the assembly of the shear wall steel frame with a multilayer structure is convenient, the assembly structure of the I-shaped shear wall steel frame meets different design requirements of the single-sided shear wall, the square steel pipe and the plurality of I-shaped shear wall steel frames are completely assembled to install the oblique steel plate net piece to construct a single-layer shear wall steel frame, the different design requirements of the single-layer shear wall steel frame are met, the framework upper connecting steel plate of the shear wall steel frame positioned at the lower layer in the two adjacent layers of shear wall steel frames is wrapped outside the framework lower connecting steel plate of the shear wall steel frame positioned at the upper layer in the two adjacent layers of shear wall steel frames, and the different design requirements of the spatial multilayer shear wall steel frame are met, the expansibility is strong, and the popularization and the use are convenient.
In conclusion, the shear wall steel skeleton is novel and reasonable in design, the shear wall steel skeleton is constructed by mounting the oblique steel plate net pieces in a fully-assembled mode according to different building structures, the combination form is variable and flexible, the assembly is simple, the transportation is light and convenient, the universality is strong, concrete is cast in situ on site, the formed shear wall is stable in structure, the construction cost can be effectively saved, the characteristics of the assembled mode are met, in addition, the oblique steel plate net pieces are used, the oblique tensile stress is improved on the inner wall body and the outer wall body of the shear wall, the crack diseases of the wall body are treated and prevented, and the popularization and the use are convenient.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural view of a line-shaped shear wall according to the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 1.
FIG. 5 is a schematic structural diagram of a steel skeleton of a single-layer shear wall according to the present invention.
FIG. 6 is a schematic structural diagram of a steel frame of a I-shaped shear wall according to the present invention.
FIG. 7 is a schematic structural diagram of the first end portion steel frame and the middle portion steel frame according to the present invention.
FIG. 8 is a structural diagram of the second end portion steel frame according to the present invention.
FIG. 9 is a schematic structural view of a square steel pipe according to the present invention.
FIG. 10 is a schematic structural diagram of a T-shaped steel skeleton node of the present invention.
Fig. 11 is a cross-sectional view taken along line D-D of fig. 10.
Fig. 12 is a cross-sectional view E-E of fig. 10.
FIG. 13 is a block flow diagram of a method of the present invention.
Description of reference numerals:
1-L section steel framework nodes; 2-T-shaped steel skeleton nodes;
3-cross steel skeleton node; 4-a steel framework of a straight shear wall;
4-1-end steel skeleton; 4-1-a first end steel skeleton;
4-1-2-second end steel skeleton; 4-2-middle steel skeleton;
5-a straight shear wall; 6, pulling a rivet;
7-square steel tube; 41-connecting steel plates under the framework;
41-1-1-connecting a steel plate under the first end framework; 41-1-2-connecting a steel plate under the second end part framework;
41-2-connecting a steel plate under the middle framework; 42-oblique steel plate net piece;
42-1-a first end oblique steel plate net sheet; 42-1-2-second end oblique steel plate net piece;
42-2-middle oblique steel plate net sheet; 43-connecting a steel plate on the framework;
43-1-connecting a steel plate on the end framework; 43-2-connecting steel plates on the middle framework.
Detailed Description
As shown in fig. 1 to 13, the construction method of the fabricated inclined steel plate mesh cast-in-place concrete shear wall of the present invention includes the following steps:
step one, determining the number of layers of a shear wall: determining the number of layers of the shear wall according to the building design requirements, and executing the second step when the shear wall is a single layer; when the shear wall is multilayer, executing the step four;
step two, constructing a single-layer shear wall steel skeleton, and the process is as follows:
step 201, determining a topological structure of a steel framework of a single-layer shear wall according to a design drawing;
202, disassembling the topological structure of the single-layer shear wall steel skeleton, and determining the number of steel skeleton connecting nodes in the topological structure of the single-layer shear wall steel skeleton and the number of linear shear wall steel skeletons 4 between the steel skeleton connecting nodes, wherein a square steel pipe 7 is arranged at each steel skeleton connecting node;
the steel skeleton 4 of the I-shaped shear wall comprises a middle skeleton and end steel skeletons 4-1 arranged at two ends of the middle skeleton, the end steel skeleton 4-1 comprises a first end steel skeleton 4-1-1 arranged at one end of the middle skeleton and a second end steel skeleton 4-1-2 arranged at the other end of the middle skeleton, and the middle skeleton comprises the middle steel skeleton 4-2; the first end part steel skeleton 4-1-1, the middle part steel skeleton 4-2 and the second end part steel skeleton 4-1-2 respectively comprise a skeleton lower connecting steel plate 41, an oblique steel plate net 42 and a skeleton upper connecting steel plate 43 which are arranged from bottom to top in sequence;
step 203, determining the length of each steel framework 4 of the linear shear wall by increasing or decreasing the number of the middle steel frameworks 4-2 according to the topological structure of the steel framework of the single-layer shear wall;
step 204, prefabricating and welding a steel framework of the I-shaped shear wall in a factory;
the first end part steel skeleton 4-1-1 and the middle part steel skeleton 4-2 have the same structure, the lower skeleton connecting steel plate 41 and the oblique steel plate mesh 42 of the first end part steel skeleton 4-1-1 and the middle part steel skeleton 4-2 are both U-shaped structures with two inward-folded end parts, the lower skeleton connecting steel plate 41 and the oblique steel plate mesh 42 of the second end part steel skeleton 4-1-2 are both rectangular ring structures, and the upper skeleton connecting steel plate 43 of the first end part steel skeleton 4-1-1, the middle part steel skeleton 4-2 and the second end part steel skeleton 4-1-2 respectively comprise two clamping steel plates which are oppositely arranged;
the direction of the lower skeleton connecting steel plate 41 of the first end part steel skeleton 4-1-1 and the middle part steel skeleton 4-2 in the I-shaped shear wall steel skeleton 4 is the same, the direction of the oblique steel plate net piece 42 of the first end part steel skeleton 4-1-1 and the middle part steel skeleton 4-2 in the I-shaped shear wall steel skeleton 4 is the same, and the outer side surfaces of the inward folding parts of the lower skeleton connecting steel plate 41 and the oblique steel plate net piece 42 of the first end part steel skeleton 4-1-1 and the middle part steel skeleton 4-2 are welding surfaces;
step 205, transporting each prefabricated straight-line-shaped shear wall steel skeleton 4 and a corresponding number of square steel tubes 7 to a construction site, welding each prefabricated straight-line-shaped shear wall steel skeleton 4 and a corresponding number of square steel tubes 7 according to the topological structure of the single-layer shear wall steel skeleton, and welding the whole connecting surface of the straight-line-shaped shear wall steel skeleton 4 and the whole connecting surface of the square steel tubes 7 to form the single-layer shear wall steel skeleton;
step three, casting a single-layer shear wall in situ: the single-layer shear wall steel skeleton is supported and fixed, concrete is cast in situ in the single-layer shear wall steel skeleton template, and after the concrete is solidified, a single-layer shear wall is formed;
step four, constructing a multi-layer shear wall steel skeleton, and the process is as follows:
step 401, constructing each layer of shear wall steel skeleton layer by layer, wherein the construction process of each layer of shear wall steel skeleton is the same as that of the step two;
402, wrapping an upper skeleton connecting steel plate 43 of the shear wall steel skeleton positioned at the lower layer in the two layers of shear wall steel skeletons which are adjacent up and down outside a lower skeleton connecting steel plate 41 of the shear wall steel skeleton positioned at the upper layer in the two layers of shear wall steel skeletons which are adjacent up and down, wherein the upper skeleton connecting steel plate 43 of the shear wall steel skeleton at the lower layer is connected with the lower skeleton connecting steel plate 41 of the shear wall steel skeleton at the upper layer through a pulling rivet 6;
the square steel tube 7 of the shear wall steel skeleton positioned at the lower layer in the two layers of shear wall steel skeletons which are adjacent up and down is wrapped outside the square steel tube 7 of the shear wall steel skeleton positioned at the upper layer in the two layers of shear wall steel skeletons which are adjacent up and down, and the square steel tube 7 of the shear wall steel skeleton at the lower layer is welded with the square steel tube 7 of the shear wall steel skeleton at the upper layer to form a multilayer shear wall steel skeleton;
step five, casting the multilayer shear wall in situ: and (3) supporting and fixing the steel skeleton of the multilayer shear wall, casting concrete in the steel skeleton template of the multilayer shear wall in situ, and forming the multilayer shear wall after the concrete is solidified.
In this embodiment, in step 203, the number of the middle steel frames 4-2 in the steel frame 4 of the in-line shear wall is one or more.
The steel frame structure is constructed by installing oblique steel plate meshes in a fully-assembled mode through the straight-line-shaped shear wall steel frames 4 and the square steel pipes 7 according to different building structures, each straight-line-shaped shear wall steel frame 4 in the shear wall steel frame is combined by the first end steel frame 4-1-1, the second end steel frame 4-1-2 and the middle steel frame 4-2 according to the length of the shear wall, and the square steel pipes 7 can realize the formation of the L-shaped steel frame nodes 1, the T-shaped steel frame nodes 2 and the cross-shaped steel frame nodes 3 in the shear wall steel frames, so that the combination mode is changeable and flexible, the assembly is simple, the transportation is light, and the universality is high; through on-site formwork support and cast-in-place concrete, the formed shear wall is stable in structure, connection of the shear wall is avoided, positioning and reinforcement are simple, the process of adjusting the horizontal verticality of the shear wall is simple, construction efficiency is high, construction precision is good, cost is low, the problems of water leakage and the like of a combined structure wall body are avoided, construction cost can be effectively saved, the assembled characteristic is met, in addition, an oblique steel plate net piece is used, oblique tensile stress is improved on the inner wall body and the outer wall body of the shear wall, crack diseases of the wall body are controlled and prevented, and reliability and stability are realized; the structures of the first end steel frame 4-1-1, the second end steel frame 4-1-2 and the middle steel frame 4-2 comprise a lower skeleton connecting steel plate 41, an oblique steel plate net 42 and an upper skeleton connecting steel plate 43 which are sequentially arranged from bottom to top, so that the assembly of the steel frames of the shear wall with a multilayer structure is facilitated, the assembly structure of the steel frames 4 of the straight-line shear wall meets different design requirements of a single-sided shear wall, the oblique steel plate net is fully assembled by the square steel tube 7 and the plurality of steel frames 4 of the straight-line shear wall to construct a single-layer steel frame of the shear wall, so that different design requirements of the single-layer steel frame of the shear wall are met, the upper skeleton connecting steel plate 43 of the steel frame of the shear wall positioned at the lower layer in the two layers of the steel frames of the shear wall which are adjacent up and down is wrapped outside the lower skeleton connecting steel plate 41 of the steel frame of the shear wall positioned at the upper layer in the two layers of the steel frames of the shear wall which are adjacent up and down, different design requirements of the steel framework of the spatial multi-layer shear wall are met, and expansibility is strong.
In this embodiment, the lower skeleton connecting steel plate 41 of the first end steel skeleton 4-1-1 is the first end lower skeleton connecting steel plate 41-1-1, the oblique steel plate mesh 42 of the first end steel skeleton 4-1-1 is the first end oblique steel plate mesh 42-1-1, and the upper skeleton connecting steel plate 43 of the first end steel skeleton 4-1-1 is the end upper skeleton connecting steel plate 43-1;
the lower skeleton connecting steel plate 41 of the second end steel skeleton 4-1-2 is a second end skeleton lower connecting steel plate 41-1-2, the oblique steel plate mesh 42 of the second end steel skeleton 4-1-2 is a second end oblique steel plate mesh 42-1-2, and the upper skeleton connecting steel plate 43 of the second end steel skeleton 4-1-2 is an upper end skeleton connecting steel plate 43-1;
the lower skeleton connecting steel plate 41 of the middle steel skeleton 4-2 is the lower middle skeleton connecting steel plate 41-2, the oblique steel plate mesh 42 of the middle steel skeleton 4-2 is the middle oblique steel plate mesh 42-2, and the upper skeleton connecting steel plate 43 of the middle steel skeleton 4-2 is the upper middle skeleton connecting steel plate 43-2.
In this embodiment, the middle steel skeleton 4-2 is longer than the first end steel skeleton 4-1-1, and the first end steel skeleton 4-1-1 and the second end steel skeleton 4-1-2 are equal in length.
It should be noted that when the middle steel skeleton 4-2, the first end steel skeleton 4-1-1 and the second end steel skeleton 4-1-2 are designed, the wall is evenly divided into equal parts, the length of each middle steel skeleton 4-2 is the same, the length of each first end steel skeleton 4-1-1 and the length of each second end steel skeleton 4-1-2 are slightly shorter, concrete is cast in situ through a formwork, the length requirement of the wall is met by utilizing the outward extension and lengthening of the concrete, each shear wall comprises the first end steel skeleton 4-1-1 and the second end steel skeleton 4-1-2, and the length requirement of the wall is met by expanding the number of the middle steel skeletons 4-2.
In this embodiment, two side surfaces of the oblique steel plate mesh 42 of the U-shaped structure face the inner side and the outer side of the shear wall respectively.
It should be noted that the first end portion steel frame 4-1-1 and the middle portion steel frame 4-2 have the same structure, the lower frame connecting steel plate 41 and the oblique steel plate mesh 42 of the first end portion steel frame 4-1-1 and the middle portion steel frame 4-2 are both U-shaped structures with two inward folded ends, the lower frame connecting steel plate 41 and the oblique steel plate mesh 42 of the second end portion steel frame 4-1-2 are both rectangular ring structures, the first end portion steel frame 4-1-1 and the middle portion steel frame 4-2 in the steel frame 4 of the I-shaped shear wall have the same orientation, the oblique steel plate mesh 42 of the first end portion steel frame 4-1-1 and the middle portion steel frame 4-2 in the steel frame 4 of the I-shaped shear wall has the same orientation, the two inward folded ends of the U-shaped structures provide a welding surface for welding the first end portion steel frame 4-1-1 and the middle portion steel frame 4-2, the lower connecting steel plate 41 and the oblique steel plate net 42 of the framework of the second end steel framework 4-1-2 are both rectangular ring structures, so that the welding requirement is guaranteed, the structural closure of the steel framework 4 of the I-shaped shear wall is met, and the structural stability of the I-shaped shear wall 5 is guaranteed.
In the embodiment, the square steel tube 7 and the two I-shaped shear wall steel frameworks 4 which are vertically arranged form an L-shaped steel framework, the L-shaped steel framework nodes 1 are formed at the positions of the square steel tubes 7 of the L-shaped steel framework, and the L-shaped shear wall is formed after concrete is cast on the L-shaped steel framework in situ;
the square steel tube 7 and the three steel frameworks 4 of the I-shaped shear wall form a T-shaped steel framework, T-shaped steel framework nodes 2 are formed at the positions of the square steel tubes 7 of the T-shaped steel framework, and the T-shaped shear wall is formed after concrete is cast in situ on the T-shaped steel framework;
the square steel tube 7 and the four steel frameworks 4 of the straight shear wall form a cross-shaped steel framework, cross-shaped steel framework nodes 3 are formed at the positions of the square steel tubes 7 of the cross-shaped steel framework, and the cross-shaped shear wall is formed after concrete is cast in situ on the cross-shaped steel framework;
the steel skeleton 4 of the I-shaped shear wall is cast with concrete in situ to form the I-shaped shear wall 5.
The method has simple steps, adopts the fully-assembled installation of the oblique steel plate net pieces to construct the steel skeleton of the shear wall according to different building structures, has variable and flexible combination forms, simple assembly, light transportation and strong universality, can cast concrete on site, ensures that the formed shear wall has stable structure, can effectively save the construction cost, and also accords with the assembled characteristics Resources are saved; in addition, the oblique section of the shear wall is enhanced in shear bearing capacity by the oblique steel plate meshes.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall is characterized by comprising the following steps:
step one, determining the number of layers of a shear wall: determining the number of layers of the shear wall according to the building design requirements, and executing the second step when the shear wall is a single layer; when the shear wall is multilayer, executing the step four;
step two, constructing a single-layer shear wall steel skeleton, and the process is as follows:
step 201, determining a topological structure of a steel framework of a single-layer shear wall according to a design drawing;
202, disassembling the topological structure of the steel skeleton of the single-layer shear wall, and determining the number of steel skeleton connecting nodes in the topological structure of the steel skeleton of the single-layer shear wall and the number of linear shear wall steel skeletons (4) between the steel skeleton connecting nodes, wherein a square steel pipe (7) is arranged at each steel skeleton connecting node;
the steel skeleton (4) of the I-shaped shear wall comprises a middle skeleton and end steel skeletons (4-1) arranged at two ends of the middle skeleton, the end steel skeleton (4-1) comprises a first end steel skeleton (4-1-1) arranged at one end of the middle skeleton and a second end steel skeleton (4-1-2) arranged at the other end of the middle skeleton, and the middle skeleton comprises a middle steel skeleton (4-2); the first end part steel skeleton (4-1-1), the middle part steel skeleton (4-2) and the second end part steel skeleton (4-1-2) respectively comprise a skeleton lower connecting steel plate (41), an oblique steel plate net sheet (42) and a skeleton upper connecting steel plate (43) which are sequentially arranged from bottom to top;
step 203, determining the length of each linear shear wall steel skeleton (4) by increasing or decreasing the number of middle steel skeletons (4-2) according to the topological structure of the single-layer shear wall steel skeleton;
step 204, prefabricating and welding a steel framework of the I-shaped shear wall in a factory;
the first end part steel skeleton (4-1-1) and the middle part steel skeleton (4-2) have the same structure, the lower skeleton connecting steel plate (41) and the oblique steel plate mesh (42) of the first end part steel skeleton (4-1-1) and the middle part steel skeleton (4-2) are both U-shaped structures with two end parts folded inwards, the lower skeleton connecting steel plate (41) and the oblique steel plate mesh (42) of the second end part steel skeleton (4-1-2) are both rectangular ring structures, and the upper skeleton connecting steel plate (43) of the first end part steel skeleton (4-1-1), the middle part steel skeleton (4-2) and the second end part steel skeleton (4-1-2) respectively comprise two clamping steel plates which are arranged oppositely;
the direction of a first end part steel framework (4-1-1) in the steel framework (4) of the I-shaped shear wall and a framework lower connecting steel plate (41) of the middle steel framework (4-2) are the same, the direction of an oblique steel plate mesh (42) of the first end part steel framework (4-1-1) and the middle steel framework (4-2) in the steel framework (4) of the I-shaped shear wall is the same, and the outer side surfaces of the inner folding parts of the first end part steel framework (4-1-1) and the framework lower connecting steel plate (41) of the middle steel framework (4-2) and the oblique steel plate mesh (42) are welding surfaces;
step 205, transporting each prefabricated straight-line-shaped shear wall steel skeleton (4) and a corresponding number of square steel tubes (7) to a construction site, welding each prefabricated straight-line-shaped shear wall steel skeleton (4) and a corresponding number of square steel tubes (7) according to the topological structure of the single-layer shear wall steel skeleton, and welding the whole connecting surface of the straight-line-shaped shear wall steel skeleton (4) and the square steel tubes (7) to form the single-layer shear wall steel skeleton;
step three, casting a single-layer shear wall in situ: the single-layer shear wall steel skeleton is supported and fixed, concrete is cast in situ in the single-layer shear wall steel skeleton template, and after the concrete is solidified, a single-layer shear wall is formed;
step four, constructing a multi-layer shear wall steel skeleton, and the process is as follows:
step 401, constructing each layer of shear wall steel skeleton layer by layer, wherein the construction process of each layer of shear wall steel skeleton is the same as that of the step two;
402, wrapping a framework upper connecting steel plate (43) of the shear wall steel framework positioned at the lower layer in the two layers of shear wall steel frameworks which are adjacent up and down outside a framework lower connecting steel plate (41) of the shear wall steel framework positioned at the upper layer in the two layers of shear wall steel frameworks which are adjacent up and down, wherein the framework upper connecting steel plate (43) of the shear wall steel framework at the lower layer is connected with the framework lower connecting steel plate (41) of the shear wall steel framework at the upper layer through a pulling rivet (6);
the square steel tube (7) of the shear wall steel skeleton positioned at the lower layer in the two layers of shear wall steel skeletons which are adjacent from top to bottom is wrapped outside the square steel tube (7) of the shear wall steel skeleton positioned at the upper layer in the two layers of shear wall steel skeletons which are adjacent from top to bottom, and the square steel tube (7) of the shear wall steel skeleton at the lower layer is welded with the square steel tube (7) of the shear wall steel skeleton at the upper layer to form a multilayer shear wall steel skeleton;
step five, casting the multilayer shear wall in situ: and (3) supporting and fixing the steel skeleton of the multilayer shear wall, casting concrete in the steel skeleton template of the multilayer shear wall in situ, and forming the multilayer shear wall after the concrete is solidified.
2. The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall according to claim 1, characterized in that: in step 203, the number of the middle steel frameworks (4-2) in the steel framework (4) of the I-shaped shear wall is one or more.
3. The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall according to claim 1, characterized in that: the lower skeleton connecting steel plate (41) of the first end part steel skeleton (4-1-1) is the first end part lower skeleton connecting steel plate (41-1-1), the oblique steel plate net piece (42) of the first end part steel skeleton (4-1-1) is the first end part oblique steel plate net piece (42-1-1), and the upper skeleton connecting steel plate (43) of the first end part steel skeleton (4-1-1) is the upper end part skeleton connecting steel plate (43-1);
the lower skeleton connecting steel plate (41) of the second end steel skeleton (4-1-2) is the lower second end skeleton connecting steel plate (41-1-2), the oblique steel plate mesh (42) of the second end steel skeleton (4-1-2) is the oblique steel plate mesh (42-1-2), and the upper skeleton connecting steel plate (43) of the second end steel skeleton (4-1-2) is the upper end skeleton connecting steel plate (43-1);
the lower skeleton connecting steel plate (41) of the middle steel skeleton (4-2) is the lower middle skeleton connecting steel plate (41-2), the oblique steel plate mesh (42) of the middle steel skeleton (4-2) is the middle oblique steel plate mesh (42-2), and the upper skeleton connecting steel plate (43) of the middle steel skeleton (4-2) is the upper middle skeleton connecting steel plate (43-2).
4. The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall according to claim 1, characterized in that: the middle steel skeleton (4-2) is longer than the first end steel skeleton (4-1-1), and the first end steel skeleton (4-1-1) and the second end steel skeleton (4-1-2) are equal in length.
5. The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall according to claim 1, characterized in that: two side surfaces of the oblique steel plate net piece (42) of the U-shaped structure face the inner side and the outer side of the shear wall respectively.
6. The construction method of the assembled oblique steel plate mesh cast-in-place concrete shear wall according to claim 1, characterized in that: the L-shaped steel framework is formed by the square steel pipe (7) and the steel frameworks (4) of the I-shaped shear wall which are vertically arranged, L-shaped steel framework nodes (1) are formed at the positions of the square steel pipes (7) of the L-shaped steel framework, and the L-shaped shear wall is formed after concrete is cast on the L-shaped steel framework in situ;
the square steel tube (7) and the three steel frameworks (4) of the I-shaped shear wall form a T-shaped steel framework, T-shaped steel framework nodes (2) are formed at the positions of the square steel tubes (7) of the T-shaped steel framework, and the T-shaped shear wall is formed after concrete is cast on the T-shaped steel framework in situ;
the square steel tube (7) and the four steel frameworks (4) of the straight shear wall form a cross-shaped steel framework, cross-shaped steel framework nodes (3) are formed at the position of the square steel tube (7) of the cross-shaped steel framework, and the cross-shaped shear wall is formed after concrete is cast in situ on the cross-shaped steel framework;
the steel skeleton (4) of the I-shaped shear wall is cast with concrete in place to form the I-shaped shear wall (5).
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038803A (en) * | 1998-07-21 | 2000-02-08 | Nippon Steel Corp | Slippage prevention structure for both members in composite structural body of steel plate and concrete |
| KR101225661B1 (en) * | 2011-12-02 | 2013-01-25 | 한국건설기술연구원 | Concrete shear key strengthened with steel cover plate and tension member and the construction method therewith |
| CN203559504U (en) * | 2013-09-25 | 2014-04-23 | 华北水利水电大学 | Built-in supporting composite insulation shear wall with double layers of steel pipes |
| CN105544801A (en) * | 2016-01-28 | 2016-05-04 | 湖南大学 | Bolted connection technique for prefabricated large plate shear wall provided with concealed bracing and construction method |
| CN106013517A (en) * | 2016-06-01 | 2016-10-12 | 东南大学 | Fabricated reinforced concrete shear wall and manufacturing method thereof |
| CN205954921U (en) * | 2016-01-28 | 2017-02-15 | 湖南大学 | Novel big board shear wall structure is secretly supported in bolted connection's prefabricated assembled area |
| CN106639054A (en) * | 2016-11-15 | 2017-05-10 | 沈阳建筑大学 | Assembled type steel plate net outer wrapped concrete shear wall structure based on prefabricated steel structure |
| CN207660134U (en) * | 2017-12-21 | 2018-07-27 | 长安大学 | A kind of assembled intersection ribbed grid-like steel plate shear force wall |
| CN209670127U (en) * | 2019-01-14 | 2019-11-22 | 重庆远海建筑装配技术开发有限公司 | A kind of fabricated construction of prefabricated steel reinforced concrete shear walls |
| CN112681568A (en) * | 2020-12-25 | 2021-04-20 | 重庆涛扬绿建科技有限公司 | Full-prefabricated steel tube concrete shear wall and building structure system |
-
2021
- 2021-05-11 CN CN202110510179.5A patent/CN113202211B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038803A (en) * | 1998-07-21 | 2000-02-08 | Nippon Steel Corp | Slippage prevention structure for both members in composite structural body of steel plate and concrete |
| KR101225661B1 (en) * | 2011-12-02 | 2013-01-25 | 한국건설기술연구원 | Concrete shear key strengthened with steel cover plate and tension member and the construction method therewith |
| CN203559504U (en) * | 2013-09-25 | 2014-04-23 | 华北水利水电大学 | Built-in supporting composite insulation shear wall with double layers of steel pipes |
| CN105544801A (en) * | 2016-01-28 | 2016-05-04 | 湖南大学 | Bolted connection technique for prefabricated large plate shear wall provided with concealed bracing and construction method |
| CN205954921U (en) * | 2016-01-28 | 2017-02-15 | 湖南大学 | Novel big board shear wall structure is secretly supported in bolted connection's prefabricated assembled area |
| CN106013517A (en) * | 2016-06-01 | 2016-10-12 | 东南大学 | Fabricated reinforced concrete shear wall and manufacturing method thereof |
| CN106639054A (en) * | 2016-11-15 | 2017-05-10 | 沈阳建筑大学 | Assembled type steel plate net outer wrapped concrete shear wall structure based on prefabricated steel structure |
| CN207660134U (en) * | 2017-12-21 | 2018-07-27 | 长安大学 | A kind of assembled intersection ribbed grid-like steel plate shear force wall |
| CN209670127U (en) * | 2019-01-14 | 2019-11-22 | 重庆远海建筑装配技术开发有限公司 | A kind of fabricated construction of prefabricated steel reinforced concrete shear walls |
| CN112681568A (en) * | 2020-12-25 | 2021-04-20 | 重庆涛扬绿建科技有限公司 | Full-prefabricated steel tube concrete shear wall and building structure system |
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