CN107975160B - Shear wall structure with lateral connecting key groove, manufacturing and assembling method - Google Patents

Shear wall structure with lateral connecting key groove, manufacturing and assembling method Download PDF

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Publication number
CN107975160B
CN107975160B CN201711250582.9A CN201711250582A CN107975160B CN 107975160 B CN107975160 B CN 107975160B CN 201711250582 A CN201711250582 A CN 201711250582A CN 107975160 B CN107975160 B CN 107975160B
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steel
prefabricated
wall
shear wall
key
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CN107975160A (en
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李明
唐元昊
赵唯坚
杨永强
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Xinjiang Tianhe Construction And Installation Co ltd
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Xinjiang Tianhe Construction And Installation Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043Connections specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4107Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2002/001Mechanical features of panels
    • E04C2002/004Panels with profiled edges, e.g. stepped, serrated

Abstract

The invention relates to the field of assembled concrete structures, in particular to a shear wall structure with lateral connecting key grooves, a manufacturing method and an assembling method. The method comprises the steps of splitting the connecting positions between two shear walls, respectively manufacturing a prefabricated wall with keys and a prefabricated wall with grooves, connecting side steel plates with prefabricated wall steel bars through reserved steel bar penetrating holes, reserving steel plate rigidity weakening holes, respectively welding the steel grooves and the steel keys with the side steel plates of the two prefabricated walls, reserving bolt holes, connecting the steel grooves and the steel keys through bolt rods, and further completing connection of the two prefabricated walls to form a whole. And the side wall of the shear wall is provided with a steel key and a steel groove, and the horizontal connection of the prefabricated shear wall and the prefabricated shear wall is realized through the engagement connection of the bolts and the steel key and the steel groove. The invention has the advantages of simple and easy processing of components, simple assembly process, time saving, high efficiency and the like, and has wider applicability.

Description

Shear wall structure with lateral connecting key groove, manufacturing and assembling method
Technical Field
The invention relates to the field of assembled concrete structures, in particular to a shear wall structure with lateral connecting key grooves, a manufacturing method and an assembling method.
Background
The fabricated concrete building has the advantages of high construction speed, energy conservation, environmental protection, labor conservation and the like, and becomes one of important directions of building development in the future, and the shear wall structure is one of important structural forms of the fabricated concrete structure. When the length of the shear wall is very large, one shear wall is required to be split into 2 or more shear walls, and the split shear walls are required to be assembled and connected in the horizontal direction on a construction site. The existing shear wall is mainly connected in the horizontal direction by adopting cast-in-situ reinforced concrete, the construction process is complex, and the construction quality is difficult to ensure. Therefore, the shear wall structure with the lateral connecting key grooves, the manufacturing method and the assembling method have the advantages of simple construction process, easy guarantee of construction quality, good anti-seismic performance and the like.
Disclosure of Invention
The invention aims to provide a shear wall structure with lateral connecting key grooves, a manufacturing method and an assembling method, wherein steel keys and steel grooves are arranged on the side walls of the shear wall, and the horizontal connection between a prefabricated shear wall and the prefabricated shear wall is realized through the engagement connection of bolts and the steel keys and the steel grooves. The invention has the advantages of simple and easy processing of components, simple assembly process, time saving, high efficiency and the like, and has wider applicability.
The technical scheme of the invention is as follows:
the utility model provides a take shear force wall structure of lateral connection keyway, is by prefabricated shear force wall of taking the lateral connection key, and the split system of assembling that constitutes is taken the prefabricated wall of taking the key and prefabricated shear force wall of taking the lateral connection groove to the following abbreviation, wherein: a steel plate with holes on the side surface of the shear wall, which is hereinafter referred to as a side steel plate; the steel groove is welded on the side steel plate and is hereinafter called the steel groove; steel keys welded on the side steel plates, hereinafter referred to as steel keys; the splicing connection structure is as follows:
the method comprises the steps of splitting the connecting positions between two shear walls, respectively manufacturing a prefabricated wall with keys and a prefabricated wall with grooves, connecting side steel plates with prefabricated wall steel bars through reserved steel bar penetrating holes, reserving steel plate rigidity weakening holes, respectively welding the steel grooves and the steel keys with the side steel plates of the two prefabricated walls, reserving bolt holes, connecting the steel grooves and the steel keys through bolt rods, and further completing connection of the two prefabricated walls to form a whole.
The shear wall structure with the lateral connecting key groove is characterized in that the bottom surface of a steel groove is welded with a lateral steel plate, a reserved steel bar penetrating hole is formed in the lateral steel plate along the longitudinal direction, and steel plate rigidity weakening holes are symmetrically formed in the lateral steel plate; the steel groove is a concave groove, and two sides of the steel groove are respectively provided with reserved bolt holes of the steel groove.
The shear wall structure with the lateral connecting key groove is characterized in that a steel key is welded with a lateral steel plate, the steel key is square, two opposite lateral sides of the steel key are provided with steel key reserved bolt holes, the steel key is smaller than the inner side width of the lateral steel plate, and the number distribution and the size of the steel key reserved bolt holes of the steel key are the same as those of the steel groove reserved bolt holes of the steel groove.
The shear wall structure with the lateral connecting key groove comprises the following reinforcement cage structures of prefabricated grooved walls: two rows of parallel and opposite precast shear wall horizontal ribs and two rows of parallel and opposite precast shear wall longitudinal ribs form a frame structure, and two ends of each precast shear wall horizontal rib are respectively provided with a side steel plate with a steel groove; the longitudinal ribs of the precast shear wall are positioned at the end parts of the horizontal ribs of the precast shear wall, and are connected through hoops of constraint edge members of the precast shear wall; the opposite longitudinal ribs of the precast shear wall are connected through tie bars of the precast shear wall.
The shear wall structure with the lateral connecting key groove is characterized in that the prefabricated reinforcement cage structure with the key wall is as follows: two rows of parallel and opposite precast shear wall horizontal ribs and two rows of parallel and opposite precast shear wall longitudinal ribs form a frame structure, and two ends of each precast shear wall horizontal rib are respectively provided with a side steel plate with a steel key; the longitudinal ribs of the precast shear wall are positioned at the end parts of the horizontal ribs of the precast shear wall, and are connected through hoops of constraint edge members of the precast shear wall; the opposite longitudinal ribs of the precast shear wall are connected through tie bars of the precast shear wall.
The manufacturing method of the shear wall structure with the lateral connecting key groove comprises the following specific processes:
(1) Manufacturing process of prefabricated grooved wall
Firstly binding longitudinal bars of the prefabricated shear wall and stirrups of constraint edge components of the prefabricated shear wall to form reinforcement bars of the constraint edge components of the prefabricated wall; then, the horizontal bars of the prefabricated wall penetrate through reserved steel bar penetrating holes of the side steel plates and are bound with steel bars of the edge constraint components of the prefabricated wall; finally binding tie bars of the prefabricated shear wall to form a reinforcement cage of the prefabricated grooved wall; supporting a prefabricated shear wall template outside the steel reinforcement framework, finally pouring concrete in the template, curing for 20-30 days, and dismantling the prefabricated shear wall template to form a prefabricated grooved wall;
(2) Manufacturing process of prefabricated wall with key
Firstly binding longitudinal bars of the prefabricated shear wall and stirrups of constraint edge components of the prefabricated shear wall to form reinforcement bars of the constraint edge components of the prefabricated wall; then, the horizontal bars of the prefabricated wall penetrate through reserved steel bar penetrating holes of the side steel plates and are bound with steel bars of the edge constraint components of the prefabricated wall; finally binding prefabricated shear wall lacing wires to form a prefabricated reinforcement cage with a key wall; and (3) supporting a prefabricated shear wall template outside the steel reinforcement framework, finally pouring concrete in the template, curing for 20-30 days, and dismantling the prefabricated shear wall template to form the prefabricated wall with the key.
According to the manufacturing method of the shear wall structure with the lateral connecting key groove, the rectangular steel baffle is placed at the position of the rigidity hole of the weakened steel plate so as to prevent concrete from leaking out of the rigidity hole of the weakened steel plate, and the rectangular steel baffle is clamped between the lateral steel plate and the horizontal rib of the prefabricated shear wall.
According to the assembly method of the shear wall structure with the lateral connecting key groove, when the shear wall structure is assembled, firstly, the prefabricated grooved wall is hoisted and fixed, then the prefabricated keyed wall is hoisted on the side face of the prefabricated grooved wall from the vertical direction or the horizontal direction, the prefabricated keyed wall is butted with a steel groove of the prefabricated grooved wall through a steel key, the steel key is ensured to be in the steel groove, and bolt holes between the prefabricated grooved wall and the steel key are aligned; finally, a bolt rod with a nut at one end passes through the reserved bolt hole of the steel groove and the steel key and is screwed by the nut;
supporting steel templates between the prefabricated grooved walls and the prefabricated keyed walls, fixing the steel templates by using steel template linking bolts, coating gaps between the templates and the prefabricated grooved walls and the prefabricated keyed walls by using waterproof glue, tightly connecting the steel templates and the prefabricated walls without leakage, and then pouring grouting materials into the steel templates until the grouting materials fill the spaces between the steel templates and the prefabricated grooved walls and the prefabricated keyed walls; and removing the template after the grouting material is solidified, and completing the assembly connection of the prefabricated grooved wall and the prefabricated keyed wall.
The assembly method of the shear wall structure with the lateral connecting key groove comprises the following specific steps:
firstly, respectively welding a steel groove and a steel key with two side steel plates;
secondly, penetrating horizontal ribs of the prefabricated shear wall through the side steel plates to reserve reinforcing steel holes, and binding the prefabricated wall reinforcing steel bars, so that the prefabricated wall reinforcing steel bars and the side steel plates form a reinforcing steel bar framework, and supporting the prefabricated shear wall template outside the reinforcing steel bar framework;
thirdly, pouring concrete in the formwork, curing, and dismantling the formwork after the concrete reaches the design strength to form a prefabricated wall with keys and a prefabricated wall with grooves;
step four, butting the steel key with the steel groove, enabling a bolt rod to pass through the reserved bolt hole of the steel groove and the reserved bolt hole of the steel key, and screwing down the bolt to finish connection;
fifthly, supporting the template between the shear wall with the key and the shear wall with the groove, and coating glass cement between the template and the shear wall to ensure that the template is tightly connected with the shear wall without slurry leakage;
pouring grouting material between the two prefabricated walls until the grouting material fills the template of the grouting joint between the two prefabricated walls;
seventhly, removing the template after the grouting material is solidified, and completing the splicing of the prefabricated grooved wall and the prefabricated keyed wall;
the seven steps are implemented, so that the lateral splicing connection of the shear wall in the assembled concrete frame shear structure can be completed.
The invention has the advantages and beneficial effects that:
(1) the shear wall assembled by the invention can be assembled horizontally and vertically, and the assembly mode is more flexible. The shape of each component is regular, which is convenient for mass production, transportation and storage;
(2) the assembly method is simple and convenient to operate, has low requirements on personnel and environment, has less operation flow, high construction speed and saves time and labor;
(3) in terms of mechanical properties, the invention can well realize the transmission of horizontal shearing force and vertical shearing force of assembled prefabricated components, and ensure the connection reliability;
(4) in the invention, the horizontal deformation of the shear walls is small during static load and small earthquake, and the grouting material between the shear walls has higher strength, and bears the shearing force between the prefabricated grooved walls and the prefabricated keyed walls together with the steel keys and the steel grooves, so that the earthquake-proof fortification goal of' small earthquake is better realized; when a large earthquake occurs, the shear wall is large in horizontal deformation, and the grouting material is damaged firstly because of no steel bars, and the shearing force between the prefabricated grooved wall and the prefabricated keyed wall is mainly transmitted by the steel key and the steel groove at the moment;
(5) according to the invention, the steel groove and the steel key can be designed to be shorter according to calculation, namely, the distance between the connecting parts of the shear walls can be smaller, so that the assembly rate is high, and the field wet operation is less.
Drawings
Fig. 1 is a three-dimensional view of a side steel plate.
Fig. 2 is a three-dimensional view of a steel groove welded to a side steel plate.
Fig. 3 is a three-dimensional view of a steel groove welded to a side steel plate.
Fig. 4 is a three-dimensional view of the prefabricated shear wall rebar and fig. 3 assembled.
Fig. 5 is a three-dimensional view of the completed support template of fig. 4.
Fig. 6 is a three-dimensional view of a prefabricated side-to-side joint grooved shear wall (simply prefabricated grooved wall).
Fig. 7 is a three-dimensional view of a steel key welded to a side steel plate.
Fig. 8 is a three-dimensional view of a steel key welded to a side steel plate.
Fig. 9 is a three-dimensional view of the prefabricated shear wall rebar and fig. 8 assembled.
Fig. 10 is a three-dimensional view of the completed support template of fig. 9.
Fig. 11 is a three-dimensional view of a prefabricated laterally keyed shear wall (simply prefabricated keyed wall).
Fig. 12 is a three-dimensional view of the keyed prefabricated wall assembled with the grooved prefabricated wall by the connector bolts.
Fig. 13 is a three-dimensional view of the attachment of the steel form to the joint of fig. 11.
Fig. 14 is a three-dimensional view of the completed assembly of the keyed prefabricated wall with the grooved prefabricated wall.
In the figure, 1 side steel plate; 2, reserving a steel bar penetrating hole; 3 weakening the rigidity holes of the steel plate; 4, a steel groove; 5, reserving a bolt hole in the steel groove; 6, steel keys; 7, reserving a bolt hole by a steel key; 8, prefabricating a shear wall constraint edge member stirrup; 9, prefabricating shear wall lacing wires; 10 prefabricating horizontal ribs of the shear wall; 11 prefabricating longitudinal ribs of the shear wall; 12 prefabricating a shear wall template; 13 rectangular steel baffles; 14 prefabricating a shear wall with lateral connecting grooves (called prefabricated grooved wall for short); 15 prefabricating a shear wall with lateral connecting keys (prefabricating a wall with keys for short); 16 steel templates; 17 steel template connecting bolts; 18 grouting material.
Detailed Description
As shown in fig. 1 to 14, the shear wall structure with the lateral connecting key groove, the manufacturing method and the assembly method of the invention are as follows:
(1) Manufacturing process of prefabricated grooved wall
(1) As shown in fig. 1 to 3, the bottom surface of the steel tank 4 is welded with the side steel plate 1, wherein: the side steel plate 1 is longitudinally provided with reserved steel bar penetrating holes 2, and the side steel plate 1 is symmetrically provided with steel plate rigidity weakening holes 3; the steel groove 4 is a concave groove, and two sides of the steel groove 4 are respectively provided with a reserved bolt hole 5.
The specification of the steel groove 4 is determined by the vertical shearing force transmitted by the prefabricated shear wall, the width of the side steel plate 1 is smaller than the width of the shear wall, the smaller size is larger than or equal to the thickness of a protective layer required by the steel plate specified by the specification so as to meet the corrosion resistance requirement of the side steel plate, the number, size and distribution of the reserved bolt holes 5 of the steel groove are determined according to the number and distribution of the diameters of the bolt rods, and the number and distribution of the steel groove 4 are determined by the calculation of the vertical shearing force transmitted by the shear wall.
(2) As shown in fig. 4-6, two rows of parallel and opposite precast shear wall horizontal ribs 10 and two rows of parallel and opposite precast shear wall longitudinal ribs 11 form a frame structure, and two ends of each precast shear wall horizontal rib 10 are respectively provided with a side steel plate 1 with a steel groove 4; the longitudinal ribs 11 of the precast shear wall are positioned at the end parts of the horizontal ribs 10 of the precast shear wall and are connected through the hoops 8 of the constraint edge members of the precast shear wall; the opposite precast shear wall longitudinal ribs 11 are connected through precast shear wall tie bars 9.
As shown in fig. 4, the prefabricated fluted wall 14 is made as follows: firstly binding longitudinal ribs 11 of a prefabricated shear wall and hoops 8 of constraint edge components of the prefabricated shear wall to form reinforcement bars of the constraint edge components of the prefabricated wall; then, the prefabricated wall horizontal ribs 10 pass through the reserved steel bar penetrating holes 2 of the side steel plates 1 and are bound with the prefabricated wall edge constraint member steel bars; finally binding prefabricated shear wall lacing wires 9 to form a reinforcement cage of the prefabricated grooved wall 14. As shown in fig. 5-6, the prefabricated shear wall forms 12 are supported outside the reinforcement cage, finally concrete is poured into the forms, the prefabricated shear wall forms 12 are removed after curing for 28 days, and the prefabricated grooved walls 14 are formed.
Rectangular steel baffles 13 need to be placed at the weakened steel stiffness holes 3 to prevent concrete from leaking out of the weakened steel stiffness holes 3, the rectangular steel baffles 13 should be sandwiched between the side steel plates 1 and the precast shear wall horizontal ribs 10.
(2) Manufacturing process of prefabricated wall with key
(1) As shown in fig. 7 to 8, the steel key 6 is welded with the side steel plate 1, wherein: the steel key 6 is square frame-shaped, two opposite sides of the steel key 6 are provided with steel key reserved bolt holes 7, the width of the steel key 6 is smaller than the inner side width of the side steel plate 1, and the number distribution and the size of the steel key reserved bolt holes 7 of the steel key 6 are the same as those of the steel groove 4.
(2) As shown in fig. 9-11, two rows of parallel and opposite precast shear wall horizontal ribs 10 and two rows of parallel and opposite precast shear wall longitudinal ribs 11 form a frame structure, and two ends of each precast shear wall horizontal rib 10 are respectively provided with a side steel plate 1 with a steel key 6; the longitudinal ribs 11 of the precast shear wall are positioned at the end parts of the horizontal ribs 10 of the precast shear wall and are connected through the hoops 8 of the constraint edge members of the precast shear wall; the opposite precast shear wall longitudinal ribs 11 are connected through precast shear wall tie bars 9.
The manufacturing process of the prefabricated keyed wall 15 is as follows: firstly binding longitudinal ribs 11 of a prefabricated shear wall and hoops 8 of constraint edge components of the prefabricated shear wall to form reinforcement bars of the constraint edge components of the prefabricated wall; then, the prefabricated wall horizontal ribs 10 pass through the reserved steel bar penetrating holes 2 of the side steel plates 1 and are bound with the prefabricated wall edge constraint member steel bars; finally binding prefabricated shear wall lacing wires 9 to form a reinforcement cage of the prefabricated keyed wall 15. And supporting the prefabricated shear wall template 12 outside the steel reinforcement framework, finally pouring concrete in the template, curing for 28 days, and dismantling the prefabricated shear wall template 12 to form the prefabricated keyed wall 15.
Rectangular steel baffles 13 need to be placed at the weakened steel stiffness holes 3 to prevent concrete from leaking out of the weakened steel stiffness holes 3, the rectangular steel baffles 13 should be sandwiched between the side steel plates 1 and the precast shear wall horizontal ribs 10.
(3) Assembling process of prefabricated grooved wall and prefabricated keyed wall
As shown in fig. 12-14, during assembly, the prefabricated grooved wall 14 is lifted and fixed firstly, then the prefabricated keyed wall 15 is lifted and fixed on the side surface of the prefabricated grooved wall 14 from the vertical direction or the horizontal direction, the prefabricated keyed wall 15 is in butt joint with the steel groove 4 of the prefabricated grooved wall 14 through the steel key 6, and the steel key 6 is ensured to be in the steel groove 4, and bolt holes between the two are aligned; finally, a bolt rod with a nut at one end passes through the reserved bolt holes of the steel groove 4 and the steel key 6 and is screwed by the nut.
The steel forms 16 are supported between the prefabricated grooved walls 14 and the prefabricated keyed walls 15, the steel forms 16 are fixed by steel form linking bolts 17, gaps between the forms and the prefabricated walls (the prefabricated grooved walls 14 and the prefabricated keyed walls 15) are smeared by waterproof glue, the steel forms 16 and the prefabricated walls are tightly connected without leakage, and then grouting materials 18 are poured into the steel forms 16 until the grouting materials 18 fill the space between the steel forms 16 and the prefabricated grooved walls 14 and the prefabricated keyed walls 15. And after the grouting material 18 is solidified, the template 16 is removed, and the assembly connection of the prefabricated grooved wall 14 and the prefabricated keyed wall 15 is completed.
During static load and small earthquake, the horizontal deformation of the shear wall is small, the grouting material 18 has higher strength, and the grouting material and the steel key 6 and the steel groove 4 bear the shearing force between the prefabricated grooved wall 14 and the prefabricated keyed wall 15 at the same time, so that the earthquake-proof goal of 'small earthquake is better realized, during large earthquake, the horizontal deformation of the shear wall is large, and the shearing force between the prefabricated grooved wall 14 and the prefabricated keyed wall 15 is mainly transmitted by the steel key 6 and the steel groove 4 at the moment due to the fact that no steel bars are arranged in the grouting material, and the steel key 6 and the steel groove 4 are made of steel, so that the earthquake-proof goal of' large earthquake is better realized. The connection has good anti-seismic performance.
The results of the embodiment show that in the invention, the lateral splicing and connecting method of the prefabricated wall comprises the following steps: (1) the shape of each component is regular, which is convenient for mass production, transportation and storage; (2) the assembly method is simple and convenient to operate, has low requirements on personnel and environment, has less operation flow, high construction speed and saves time and labor; (3) the transmission of vertical shearing force of the assembled prefabricated components can be well realized, and the connection reliability is ensured; (4) the earthquake-resistant performance is good, and the earthquake-resistant fortification targets of small earthquake without damage and large earthquake without collapse can be better realized; (5) the assembly rate is high, and the field wet operation is less.

Claims (6)

1. The utility model provides a take shear force wall structure of lateral connection keyway, its characterized in that by the prefabricated shear force wall of taking the lateral connection key, the following abbreviation prefabricated take the key wall, and the prefabricated shear force wall of taking the lateral connection groove, the following abbreviation prefabricated trough wall, split system of assembling that constitutes, wherein: a steel plate with holes on the side surface of the shear wall, which is hereinafter referred to as a side steel plate; the steel groove is welded on the side steel plate and is hereinafter called the steel groove; steel keys welded on the side steel plates, hereinafter referred to as steel keys; the splicing connection structure is as follows:
splitting the connection position between two shear walls, respectively manufacturing a prefabricated wall with a key and a prefabricated wall with a groove, wherein a side steel plate is connected with a prefabricated shear wall steel bar through a reserved steel bar penetrating hole, a steel plate rigidity weakening hole is reserved, a steel groove and a steel key are respectively welded with the side steel plates of the two prefabricated shear walls, bolt holes are reserved, the steel groove is connected with the steel key through a bolt rod, and then the two prefabricated shear walls are connected to form a whole;
the bottom surface of the steel groove is welded with a side steel plate, a reserved steel bar penetrating hole is formed in the side steel plate along the longitudinal direction, and rigidity weakening holes of the steel plate are symmetrically formed in the side steel plate; the steel groove is a concave groove, and two sides of the steel groove are respectively provided with reserved bolt holes of the steel groove;
the manufacturing method of the shear wall structure with the lateral connecting key groove comprises the following specific processes:
(1) Manufacturing process of prefabricated grooved wall
Firstly binding longitudinal bars of the prefabricated shear wall and stirrups of constraint edge components of the prefabricated shear wall to form reinforcement bars of the constraint edge components of the prefabricated wall; then, the horizontal bars of the prefabricated shear wall penetrate through reserved steel bar penetrating holes of the side steel plates and are bound with the steel bars of the edge constraint components of the prefabricated wall; finally binding tie bars of the prefabricated shear wall to form a reinforcement cage of the prefabricated grooved wall; supporting a prefabricated shear wall template outside the steel reinforcement framework, finally pouring concrete in the prefabricated shear wall template, curing for 20-30 days, and dismantling the prefabricated shear wall template to form a prefabricated grooved wall;
(2) Manufacturing process of prefabricated wall with key
Firstly binding longitudinal bars of the prefabricated shear wall and stirrups of constraint edge components of the prefabricated shear wall to form reinforcement bars of the constraint edge components of the prefabricated wall; then, the horizontal bars of the prefabricated shear wall penetrate through reserved steel bar penetrating holes of the side steel plates and are bound with the steel bars of the edge constraint components of the prefabricated wall; finally binding prefabricated shear wall lacing wires to form a prefabricated reinforcement cage with a key wall; supporting a prefabricated shear wall template outside the steel reinforcement framework, finally pouring concrete in the prefabricated shear wall template, curing for 20-30 days, and dismantling the prefabricated shear wall template to form a prefabricated wall with keys;
rectangular steel baffles are placed at the rigidity holes of the weakened steel plates to prevent concrete from leaking out of the rigidity holes of the weakened steel plates, and the rectangular steel baffles are clamped between the side steel plates and the horizontal ribs of the prefabricated shear wall.
2. The shear wall structure with the lateral connecting key groove according to claim 1, wherein the steel key is welded with the lateral steel plate, the steel key is square, steel key reserved bolt holes are formed in two opposite sides of the steel key, the steel key is smaller than the inner side width of the lateral steel plate, and the number distribution and the size of the steel key reserved bolt holes of the steel key are the same as those of the steel groove reserved bolt holes of the steel groove.
3. The shear wall structure with lateral connecting key ways of claim 1, wherein the reinforcement cage structure of the prefabricated fluted wall is as follows: two rows of parallel and opposite precast shear wall horizontal ribs and two rows of parallel and opposite precast shear wall longitudinal ribs form a frame structure, and two ends of each precast shear wall horizontal rib are respectively provided with a side steel plate with a steel groove; the longitudinal ribs of the precast shear wall are positioned at the end parts of the horizontal ribs of the precast shear wall, and are connected through hoops of constraint edge members of the precast shear wall; the opposite longitudinal ribs of the precast shear wall are connected through tie bars of the precast shear wall.
4. The laterally connected keyway shear wall structure of claim 1, wherein the pre-fabricated keyed wall has the following reinforcement cage structure: two rows of parallel and opposite precast shear wall horizontal ribs and two rows of parallel and opposite precast shear wall longitudinal ribs form a frame structure, and two ends of each precast shear wall horizontal rib are respectively provided with a side steel plate with a steel key; the longitudinal ribs of the precast shear wall are positioned at the end parts of the horizontal ribs of the precast shear wall, and are connected through hoops of constraint edge members of the precast shear wall; the opposite longitudinal ribs of the precast shear wall are connected through tie bars of the precast shear wall.
5. A method of assembling a shear wall structure with lateral connecting keyways as claimed in any one of claims 1 to 4, wherein during assembly, the prefabricated slotted wall is first lifted and fixed, then the prefabricated keyed wall is lifted and fixed from the vertical or horizontal direction to the side of the prefabricated slotted wall, the prefabricated keyed wall is butted with the steel slots of the prefabricated slotted wall through steel keys, and the steel keys are ensured to be in the steel slots, and bolt holes between the two are aligned; finally, a bolt rod with a nut at one end passes through the reserved bolt hole of the steel groove and the steel key and is screwed by the nut;
supporting steel templates between the prefabricated grooved walls and the prefabricated keyed walls, fixing the steel templates by using steel template linking bolts, coating gaps between the steel templates and the prefabricated grooved walls and the prefabricated keyed walls by using waterproof glue, tightly connecting the steel templates and the prefabricated shear walls without leakage, and then pouring grouting materials into the steel templates until the grouting materials fill the spaces between the steel templates and the prefabricated grooved walls and the prefabricated keyed walls; and dismantling the steel template after the grouting material is solidified, and completing the assembly connection of the prefabricated grooved wall and the prefabricated keyed wall.
6. The method of assembling a shear wall structure with lateral connecting keyways of claim 5, comprising the specific steps of:
firstly, respectively welding a steel groove and a steel key with two side steel plates;
secondly, penetrating horizontal ribs of the prefabricated shear wall through the steel plate at the side face to reserve steel bar penetrating holes, and binding the steel bars of the prefabricated shear wall, so that the steel bars of the prefabricated shear wall and the steel plate at the side face form a steel bar framework, and supporting the prefabricated shear wall template outside the steel bar framework;
pouring concrete in the prefabricated shear wall template, curing, and dismantling the prefabricated shear wall template after the concrete reaches the design strength to form a prefabricated wall with keys and a prefabricated wall with grooves;
step four, butting the steel key with the steel groove, enabling a bolt rod to pass through the reserved bolt hole of the steel groove and the reserved bolt hole of the steel key, and screwing down the bolt to finish connection;
fifthly, supporting the steel template between the shear wall with the key and the shear wall with the groove, and smearing glass cement between the steel template and the shear wall to ensure that the steel template is tightly connected with the shear wall without leakage;
pouring grouting material between the two prefabricated shear walls until the grouting material fills the steel templates of the grouting joints between the two prefabricated shear walls;
seventh, dismantling the steel template after the grouting material is solidified to finish the splicing of the prefabricated grooved wall and the prefabricated keyed wall;
the seven steps are implemented, so that the lateral splicing connection of the shear wall in the assembled concrete frame shear structure can be completed.
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