CN111535498B - Prefabricated stiff concrete shear wall plate with steel beam connecting keys, assembled stiff concrete shear wall and manufacturing method - Google Patents
Prefabricated stiff concrete shear wall plate with steel beam connecting keys, assembled stiff concrete shear wall and manufacturing method Download PDFInfo
- Publication number
- CN111535498B CN111535498B CN202010623700.1A CN202010623700A CN111535498B CN 111535498 B CN111535498 B CN 111535498B CN 202010623700 A CN202010623700 A CN 202010623700A CN 111535498 B CN111535498 B CN 111535498B
- Authority
- CN
- China
- Prior art keywords
- steel beam
- shear wall
- steel
- concrete
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/6116—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by locking means on lateral surfaces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
- E04B1/6141—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface the connection made by an additional locking key
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building 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
- E04C2/38—Building 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 with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—Building 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 with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B2001/6191—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means on the corners of the slabs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a prefabricated stiff concrete shear wall with steel beam connecting keys, an assembled stiff concrete shear wall and a manufacturing method, wherein the prefabricated stiff concrete shear wall is provided with edge restraining components; the upper connecting steel beam is welded with the top ends of the two edge section steels, the two ends of the upper connecting steel beam are welded with the upper steel beam connecting keys, the lower connecting steel beam is welded with the bottom ends of the two edge section steels, and the two ends of the lower connecting steel beam are welded with the lower steel beam connecting keys; the upper steel beam connecting key and the lower steel beam connecting key are correspondingly provided with bolt holes; built-in anchor bolts are embedded in the concrete around the wall body. The invention provides an assembled stiff concrete structure shear wall structure with steel beam connecting keys and a connecting mode of a wall body, wherein the wall body is high in rigidity, strong in lateral resistance, simple in assembling form of seams, low in cost, convenient to operate, good in feasibility, low in requirement on precision, reliable in connection, clear in stress, capable of well transmitting shear force between shear walls and capable of being widely applied to assembling of high-rise buildings.
Description
Technical Field
The invention relates to the field of building structure engineering, mainly relates to an assembled stiff concrete shear wall, and particularly relates to a prefabricated stiff concrete shear wall plate with steel beam connecting keys, an assembled stiff concrete shear wall and a manufacturing method.
Background
At present, with the increasing contradiction between the development of social economy and resource environment, the transition from the extensive development mode to the intensive development mode becomes a necessary trend. In the building industry, the assembly type building can integrate industrialized and standardized production into the building industry, and fully shows the theme of energy conservation and emission reduction development in the current generation, so the assembly type building is the development direction of the future building industry. As for the main structural forms of the present fabricated building, there are mainly a fabricated frame structure, a fabricated frame-shear wall structure, a fabricated shear wall structure, and the like. The key technical bottleneck of the fabricated building is the connection between the components, and the reliability of the connection nodes and the integrity of the fabricated building are key technical indexes for measuring the fabricated building. Compared with the assembly of other structural forms, the assembly of the shear wall structure has more connecting seams, the technical difficulty of the connecting form is high, the construction is complex, the connecting quality is difficult to control and guarantee, and the like, so that the problems are particularly obvious, the connecting form with large field wet operation amount such as integral assembly and the like has to be adopted in reality, and the assembly rate of the building is seriously influenced. In terms of the fabricated shear wall structure, in consideration of the difference between the integrity of the fabricated building structure and the corresponding traditional cast-in-place structure, the fabricated shear wall structure has strict limitation on the building height, cannot embody the advantages of the shear wall structure, and also restricts the use of the fabricated shear wall structure in high-rise buildings. Therefore, an assembly type shear wall structure and a connection mode between walls are urgently needed, wherein the assembly rate can be improved by reducing the field wet operation amount to the maximum extent, and the strength and integrity of the structure can be improved.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an assembled stiff concrete shear wall structure with steel beam connecting keys and a splicing method between walls. The shear wall structure has the advantages that the profile steel is arranged in the edge member, the bearing capacity and the deformation capacity are high, the lateral stiffness is high, and the shear wall structure can be used in high-rise or super high-rise buildings. The wall bodies are provided with the profile steel connecting pieces, the splicing among the wall bodies can adopt a steel structure connecting mode, bolts and connecting steel plates are directly used for connecting, the rigidity and the bearing capacity of connecting joints can be higher than those of the wall bodies, the structural requirement of strong nodes is met, and the splicing mode of the shear wall with the structural mode also has the advantages of simple and easy connection mode, lower construction precision requirement, less field wet operation amount, definite stress, low cost, strong universality and the like, and can be widely applied to high-rise or super high-rise assembled buildings.
The technical scheme of the invention is as follows:
the invention firstly provides a prefabricated stiff concrete shear wall panel with steel beam connecting keys, which comprises:
the edge constraint component comprises edge section steel which is arranged in concrete at two sides of the wall body, and edge stress longitudinal bars which are distributed around the edge section steel;
the upper connecting steel beam is arranged in a plane where the top ends of the edge section steel and the edge stressed longitudinal ribs are located in a full length mode, and two ends of the upper connecting steel beam are welded and connected with the top ends of the edge section steel on two sides;
the lower connecting steel beam is arranged in a plane where the bottom ends of the edge section steel and the edge stressed longitudinal ribs are located, and two ends of the lower connecting steel beam are welded and connected with the bottom ends of the edge section steel on two sides;
the upper steel beam connecting keys are welded and fixed at two ends of the upper connecting steel beam and are used for leaking concrete at the positions;
the lower steel beam connecting keys are welded and fixed at two ends of the lower connecting steel beam and are exposed out of the concrete at the positions;
and the built-in anchor bolts are embedded in the wall concrete and arranged along the edge of the wall and are used for connecting adjacent shear wall boards.
As a specific improvement, the edge section steel is H-section steel or i-section steel, which is located at the center of the area surrounded by the edge stressed longitudinal ribs, and the edge constraint member further comprises edge constraint stirrups, which are arranged at the periphery of the area surrounded by the edge stressed longitudinal ribs.
As a specific improvement, the built-in anchor bolts are arranged around the wall body in a vertical wall plane, two ends of the built-in anchor bolts penetrate through the concrete of the wall body, the built-in anchor bolts at the upper part are fixed on the bottom surface of the upper connecting steel beam, the built-in anchor bolts at the lower part are fixed on the top surface of the lower connecting steel beam, and the built-in anchor bolts at two sides of the wall body are fixed on the edge constraint stirrups and are positioned on the outer sides of the.
As a specific improvement, the upper steel beam connecting key is composed of two parallel and opposite steel plates, a certain gap is formed between the two steel plates, and the lower steel beam connecting key is composed of one steel plate, and the thickness of the steel plate is consistent with or slightly smaller than the width of the gap.
As a specific improvement, the upper steel beam connecting key and the lower steel beam connecting key are correspondingly provided with bolt holes.
As a specific improvement, the width of each steel plate is the same, the width of the area surrounded by the edge stress longitudinal bars is the same, and the height of each steel plate is 2 times of the thickness of the concrete protective layer of the connecting steel beam where the steel plate is located.
The invention further provides an assembled stiff concrete shear wall which is formed by assembling a plurality of shear wall boards in the longitudinal direction and/or the transverse direction, and is characterized in that the shear wall boards are prefabricated stiff concrete shear wall boards with steel beam connecting keys, and in the state that the upper and lower shear wall boards are connected and assembled, high-strength bolts are inserted into bolt holes of the upper steel beam connecting keys of the upper shear wall board and the lower shear wall board through the lower steel beam connecting keys of the upper shear wall board and the lower shear wall board to be connected and fixed; the horizontal joint formed by the upper and lower layers of shear wall boards is connected and fixed on a built-in anchor bolt installed by a horizontal connecting steel plate; and pouring concrete behind the steel beam connecting key to form the assembled stiff concrete shear wall.
As a specific improvement, in the state that the left and right shear wall boards are connected and assembled, a vertical connecting steel plate is arranged on a built-in anchor bolt at the vertical joint formed by the left and right shear wall boards.
As a specific improvement, the steel plate is also provided with a post-cast strip connecting steel plate which is arranged on a built-in anchor bolt at the position of post-cast concrete.
The invention also provides an installation method of the matched stiff concrete shear wall, which is suitable for the assembled stiff concrete shear wall and comprises the following steps:
s10: hoisting the upper-layer shear wall plate in place, so that the lower steel beam connecting keys of the upper-layer shear wall plate can be inserted into the upper steel beam connecting keys of the lower-layer shear wall plate;
s20: inserting the high-strength bolt into a bolt hole formed by the upper steel beam connecting key and the lower steel beam connecting key to realize the connection of the upper steel beam connecting key and the lower steel beam connecting key;
s30: fixing a horizontal connecting steel plate on a built-in anchor bolt at a horizontal joint formed between the upper and lower shear wall plates;
s40: fixing the vertical connecting steel plate on a built-in anchor bolt at a vertical joint formed between adjacent shear wall plates of the same layer;
s50: erecting a formwork at a wall steel beam connecting key, and then pouring concrete;
s60: and (4) removing the formwork after the strength of the post-cast concrete meets the requirement, and installing a post-cast strip connecting steel plate on a built-in anchor bolt at the position of the post-cast concrete to finish the assembly of the wall body.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an assembled stiff concrete structure shear wall structure with steel beam connecting keys and a connecting mode of a wall body, wherein the wall body is high in rigidity, strong in lateral resistance, simple in assembling form of seams, low in cost, convenient to operate, good in feasibility, low in requirement on precision, reliable in connection, clear in stress, capable of well transmitting shear force between shear walls and capable of being widely applied to assembling of high-rise buildings. Specifically, at least the following practical effects are obtained:
(1) edge constraint components which mainly comprise profile steel are arranged in the side edges of the shear wall body to form wall body edge constraint, so that the stiff concrete shear wall structure in the structural form can obtain higher lateral stiffness and bearing capacity;
(2) the steel beams are welded and connected in the wall body, so that the bearing capacity and the rigidity of the wall body are greatly improved;
(3) the edge members of the wall body are connected through the steel beam connecting keys and the high-strength bolts, so that the force transmission reliability of the connecting part is ensured;
(4) the walls are connected through the built-in anchor bolts and the connecting steel plates, and the force transmission between the walls is borne through the anchor bolts and the connecting steel plates with higher bearing capacity, so that the structural integrity is improved, and the plastic hinge can be prevented from occurring in the middle of the walls;
(5) concrete is only poured behind the joint of the edge members of the wall body, so that the field wet operation amount is small, and the assembly efficiency of the structure is improved;
(6) the wall body and the connecting steel plate can be prefabricated in a prefabricating factory, and manufacturing errors can be well controlled;
(7) the connecting method between the walls is simple and easy to implement, the installation speed is high, the construction period can be greatly shortened, and the economic benefit is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall construction of a shear wall panel according to one embodiment of the invention;
FIG. 2 is a schematic representation of a skeletal frame of a shear wall panel according to one embodiment of the present invention;
FIG. 3 is a schematic view of an upper connecting steel beam according to one embodiment of the present invention;
FIG. 4 is a schematic view of a lower connecting steel beam according to one embodiment of the present invention;
FIG. 5 is a schematic view of a joint seam according to one embodiment of the present invention;
FIG. 6 is a schematic view of the overall structure of a fabricated stiff concrete shear wall according to an embodiment of the present invention;
FIG. 7 is a schematic view of a steel beam connection key according to an embodiment of the present invention;
FIG. 8 is a schematic view of a horizontal joint steel plate according to an embodiment of the present invention;
FIG. 9 is a schematic view of a vertical connecting steel plate according to an embodiment of the present invention;
FIG. 10 is a schematic view of a post-cast strip bonded steel plate according to one embodiment of the present invention;
FIG. 11 is a schematic view of an internal anchor and coupling nut in accordance with one embodiment of the present invention.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The meaning of the individual reference symbols in the figures is:
1, prefabricating a stiff concrete shear wallboard; 2, post-pouring a strip; 3, connecting a steel beam; 4-connecting the lower steel beam; 5, horizontally connecting steel plates; 6, vertically connecting steel plates; 7, connecting a steel plate with a post-cast strip; 8, a built-in anchor bolt; 9-connecting a nut; 10-edge section steel; 11-edge stressed longitudinal bar; 12-edge restraint stirrup; 13-tie the rib; 14-horizontally distributing reinforcing steel bars; 15-vertically distributing reinforcing steel bars; 16-connecting a steel beam; 17-connecting the steel beam downwards; 18-high strength bolt; 19-vertical seams; 20-horizontal seams; 21-anchor bolt hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the embodiments and the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present invention, it is to be understood that the terms "comprises/comprising," "consists of … …," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, apparatus, process, or method if desired. Without further limitation, an element defined by the phrases "comprising/including … …," "consisting of … …," or "comprising" does not exclude the presence of other like elements in a product, device, process, or method that comprises the element.
It will be further understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present invention and to simplify description, and do not indicate or imply that the referenced device, component, or structure must have a particular orientation, be constructed in a particular orientation, or be operated in a particular manner, and should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, the invention firstly provides a precast stiff concrete shear wall panel with steel beam connection keys, which comprises edge constraint members, upper connection steel beams, lower connection steel beams, upper steel beam connection keys, lower steel beam connection keys and wall built-in anchor bolts, wherein the edge constraint members comprise edge section steels 10 which are built in two side edges of a wall and are arranged along the longitudinal direction of the wall, and edge stressed longitudinal bars 11 which are distributed around the edge section steels 10 and are arranged along the longitudinal direction of the wall.
In one embodiment, the edge-type steel 10 is H-section steel or i-section steel, and is located at the center of the area surrounded by the edge-stressed longitudinal ribs 11.
As a specific implementation manner, the edge constraint member further includes an edge constraint stirrup 12, which is arranged at the periphery of the area surrounded by the edge stressed longitudinal rib 11, and the edge section steel 10, the edge stressed longitudinal rib 11 and the edge constraint stirrup 12 together form a side column framework.
According to the invention, the edge constraint component mainly comprising the profile steel is arranged on the side edge of the shear wall body to form wall body edge constraint, compared with the conventional shear wall, the shear wall is a profile steel concrete shear wall structure, namely a stiff concrete shear wall structure, and the existence of the edge constraint enables the stiff concrete shear wall structure in the structure form to obtain the characteristics of higher lateral stiffness, strong bearing capacity and the like, and can meet the requirements on the deformation capacity and the bearing capacity of the shear wall component in a high-rise or super high-rise building.
Continuing to refer to fig. 1 and 2, the upper connecting steel beam 16 is arranged in a plane formed by the edge section steel 10 and the top ends of the edge stressed longitudinal ribs 11, two ends of the upper connecting steel beam 16 are welded to the top ends of the two edge section steels 10, the lower connecting steel beam 17 is arranged in a plane formed by the edge section steel 10 and the bottom ends of the edge stressed longitudinal ribs 11, and two ends of the lower connecting steel beam 17 are welded to the bottom ends of the two edge section steels 10; the two edge section steels 10, the upper connecting steel beam 16 and the lower connecting steel beam 17 are enclosed to form a closed frame structure, and the wall body and concrete form a whole after being poured to provide a solid framework for the shearing resistance of the whole shear wall plate.
Certainly, the middle of the wall body is also provided with horizontally distributed reinforcing steel bars 14, vertically distributed reinforcing steel bars 15 and tie bars 13, and the horizontally distributed reinforcing steel bars 14, the vertically distributed reinforcing steel bars 15 and the tie bars 13 form a reinforcing steel bar net rack of the wall body together, so that the shearing resistance, bending resistance, bearing capacity and rigidity of the wall board are guaranteed.
Continuing to refer to fig. 1 and 2, the two ends of the upper connecting steel beam 16 are welded and connected with upper steel beam connecting keys 3, the two ends of the lower connecting steel beam 17 are welded and connected with lower steel beam connecting keys 4, and the upper steel beam connecting keys 3 and the lower steel beam connecting keys 4 are correspondingly provided with bolt holes; the upper steel beam connecting keys 3 and the lower steel beam connecting keys 4 are used for realizing connection and fixation by inserting high-strength bolts into corresponding bolt holes during the assembly of the upper wallboard and the lower wallboard.
Referring to fig. 2, the invention embeds a built-in anchor bolt 8 in the wall concrete around the wall body for connecting adjacent shear wall panels. When a plurality of wallboards are required to be adjacently connected and installed, the wallboards are connected through the built-in anchor bolts and are fixed through the connecting nuts 9, referring to fig. 11, force transmission between the wallboards is borne through the anchor bolts with higher bearing capacity, the structural integrity is improved, and plastic hinges can be prevented from appearing in the middle of the wallboards.
In one embodiment, the anchor bolts 8 arranged along the upper portion of the wall are fixed to the bottom surface of the upper connecting steel beam 16, the anchor bolts 8 arranged along the lower portion of the wall are fixed to the top surface of the lower connecting steel beam 17, and the anchor bolts 8 arranged along both sides of the wall are fixed to the edge-restraining stirrup 12. The built-in anchor bolt 8 is welded and fixed with the connecting steel beam and is bound and fixed with the edge constraint stirrup, and the built-in anchor bolt 8 is fixed with the connecting steel beam and the edge constraint stirrup together, so that the connection strength around an anchoring point area is ensured, the positioning reliability of the anchor bolt is ensured, the change of the position of the anchor bolt during concrete pouring is avoided, and the mismatching of the position of an anchor bolt hole on a connecting steel plate during later assembly is prevented.
Referring to fig. 3 and 4 again, as a specific embodiment, the upper beam connection key 3 is composed of two parallel steel plates facing each other with a certain gap therebetween, and the lower beam connection key 4 is composed of a steel plate having a thickness equal to or slightly smaller than the width of the gap. Through designing into the form that the steel sheet was inserted to the connector link, the connector link can weld in advance on connecting the girder steel at the mill, and processing is convenient, and the location is accurate, is convenient for counterpoint and fixed during the assembly simultaneously.
Referring to fig. 2, as a specific embodiment, the two steel plates of the upper steel beam connecting key 3 have the same width as one steel plate of the lower steel beam connecting key 4, and the width of the area surrounded by each steel plate and the edge stressed longitudinal bar is the same, and the height of each steel plate is 2 times of the thickness of the concrete protective layer of the connecting steel beam where the steel plate is located. The width of the steel beam connecting key is designed to be the same as the width of the area surrounded by the edge stressed longitudinal ribs, so that the sufficient width of the connecting node is ensured, and the sufficient connecting strength of the edge constraint component is ensured. The height of the steel beam connecting key is designed to be 2 times of the thickness of the concrete protection layer of the steel beam where the steel beam connecting key is located, so that when the upper and lower shear wall boards are assembled, the concrete edges of the wall boards can be just tightly abutted after the upper and lower steel beam connecting keys are completely abutted, tight connection is ensured, and no gap is reserved in the middle.
Referring to fig. 5 to 7, the invention further provides an assembled stiff concrete shear wall, which is formed by assembling a plurality of prefabricated stiff concrete shear wall panels with steel beam connecting keys in the longitudinal direction and/or the transverse direction, wherein the upper and lower shear wall panels are assembled in the longitudinal direction, the lower steel beam connecting key 4 of the upper shear wall panel is inserted into the upper steel beam connecting key 3 of the lower shear wall panel, and high-strength bolts 18 are inserted into bolt holes of the upper and lower steel beam connecting keys to realize the connection of the upper and lower steel beam connecting keys; and the horizontal connecting steel plate 5 is arranged on a built-in anchor bolt 8 at a horizontal joint formed by the upper and lower layers of shear wall plates; and (3) erecting a formwork at the steel beam connecting joint and then pouring concrete to form a post-pouring belt 2, so as to form the assembled type stiff concrete shear wall.
Referring to fig. 8, as a specific embodiment, the horizontal connecting steel plate 5 is a strip steel plate, the width of the horizontal connecting steel plate is consistent with the width of the horizontal joint formed by the upper and lower shear wall plates, two rows of anchor bolt holes 21 are formed in the strip steel plate, and the number and the positions of the two rows of anchor bolt holes 21 correspond to the number and the positions of the anchor bolts 8 built in the shear wall plates.
As a specific implementation mode, the assembled stiff concrete shear wall is further assembled with a plurality of shear wall boards in the transverse direction, and in the state that the left and right shear wall boards are connected and assembled, a vertical connecting steel plate 6 is installed on a built-in anchor bolt 8 at the vertical joint formed by the left and right shear wall boards.
Referring to fig. 9, as a specific embodiment, the vertical connecting steel plate 6 is a strip steel plate, the width of the strip steel plate is consistent with the width of the vertical seam formed by the left and right shear wall plates, two rows of anchor bolt holes 21 are formed in the strip steel plate, and the number and the positions of the two rows of anchor bolt holes 21 correspond to the internal anchor bolts 8 on the shear wall plates.
Referring to fig. 6 and 10, as a specific embodiment, the method further includes installing a post-cast strip connecting steel plate 7 at the post-cast strip 2, and installing the post-cast strip connecting steel plate 7 on a built-in anchor bolt 8 at the post-cast concrete.
According to the invention, the adjacent shear wall boards are connected through the built-in anchor bolts and the connecting steel plates, so that the installation is convenient, the shear-resistant bearing capacity of the anchor bolts is higher, and plastic hinge at the joint of the wall body can be avoided.
The invention discloses a method for manufacturing a prefabricated stiff concrete shear wallboard with steel beam connecting keys, which comprises the following steps:
positioning and binding edge section steel 10, edge stressed longitudinal bars 11, edge constraint stirrups 12, horizontal distribution reinforcing steel bars 14, vertical distribution reinforcing steel bars 15 and tie bars 13 of the prefabricated stiff concrete shear wall panel 1; welding a connecting steel beam 16 at the top of the steel bar mesh, welding steel beam connecting keys 3 at two ends of the upper part of the upper connecting steel beam 16, and fixing a built-in anchor bolt 8 at a position between adjacent vertical steel bars on the bottom surface of the upper connecting steel beam 16; welding a lower connecting steel beam 17 at the bottom of the steel bar mesh, welding lower steel beam connecting keys 4 at two ends of the bottom of the lower connecting steel beam 17, and fixing a built-in anchor bolt 8 on the top surface of the lower connecting steel beam 17; fixing built-in anchor bolts 8 on the edge constraint stirrups 12 at two sides of the wall; and (5) erecting the formwork and pouring concrete.
The installation method of the assembled stiff concrete shear wall comprises the following steps:
hoisting the upper-layer wall body to enable the lower steel beam connecting keys 3 of the upper-layer wall body to be inserted into the upper steel beam connecting keys 4 of the lower-layer wall body; inserting the high-strength bolt 18 into a through hole formed by the upper steel beam connecting key and the lower steel beam connecting key to realize the connection of the edge members of the upper layer wall body and the lower layer wall body; mounting a horizontal connecting steel plate 5 on a built-in anchor bolt 8 at the horizontal joint of the upper and lower layers of wall bodies, and fixing the horizontal connecting steel plate 5 and the built-in anchor bolt 8 of the wall body by using a connecting nut 9; connecting vertical seams between walls on the same layer by using vertical connecting steel plates 6, and then fixing the vertical connecting steel plates 6 and the built-in anchor bolts by using connecting nuts 9; and (4) supporting a formwork at the connecting key, then pouring concrete, removing the formwork after the concrete meets the strength requirement, and then connecting the post-poured concrete by using a post-pouring belt connecting steel plate 7.
In conclusion, the assembled stiff concrete shear wall with the steel beam connecting keys has the advantages of large structural rigidity, reliable connection between walls, simple operation, lower requirement on construction precision, great reduction of wet operation amount on a construction site, strong universality and capability of being widely applied to the assembly of stiff concrete shear walls or common reinforced concrete shear walls.
Thus, it should be understood by those skilled in the art that while exemplary embodiments of the present invention have been illustrated and described in detail herein, many other variations and modifications can be made, which are consistent with the principles of the invention, from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (6)
1. Assembled strength nature concrete shear force wall constitutes by polylith shear force wallboard in vertical and horizontal assembly, its characterized in that, the shear force wallboard is the prefabricated strength nature concrete shear force wallboard of belted steel roof beam connector, and this shear force wallboard includes:
the edge constraint component comprises edge section steel which is arranged in concrete at two sides of the wall body, and edge stress longitudinal bars which are distributed around the edge section steel;
the upper connecting steel beam is arranged in a plane where the top ends of the edge section steel and the edge stressed longitudinal ribs are located in a full length mode, and two ends of the upper connecting steel beam are welded and connected with the top ends of the edge section steel on two sides;
the lower connecting steel beam is arranged in a plane where the bottom ends of the edge section steel and the edge stressed longitudinal ribs are located, and two ends of the lower connecting steel beam are welded and connected with the bottom ends of the edge section steel on two sides;
the upper steel beam connecting keys are welded and fixed at two ends of the upper connecting steel beam and are used for leaking concrete at the positions;
the lower steel beam connecting keys are welded and fixed at two ends of the lower connecting steel beam and are exposed out of the concrete at the positions;
the built-in anchor bolts are embedded in the wall body concrete and arranged along the edge of the wall body and are used for connecting adjacent shear wall boards; the built-in anchor bolts are arranged perpendicular to the plane of the wall body along the periphery of the wall body, and two ends of the built-in anchor bolts penetrate through the concrete of the wall body, the built-in anchor bolts at the upper parts are fixed on the bottom surface of the upper connecting steel beam, the built-in anchor bolts at the lower parts are fixed on the top surface of the lower connecting steel beam, and the built-in anchor bolts at two sides of the wall body are fixed on the edge constraint stirrups and;
the assembled stiff concrete shear wall further comprises:
the upper and lower shear wall plates are fixedly connected by inserting the high-strength bolts into bolt holes of the upper steel beam connecting keys of the upper and lower shear wall plates through the lower steel beam connecting keys of the upper shear wall plate;
the horizontal connecting steel plate is arranged on the built-in anchor bolt through the horizontal connecting steel plate to be connected and fixed;
the left shear wallboard and the right shear wallboard are installed on a built-in anchor bolt at a vertical joint formed by the left shear wallboard and the right shear wallboard through the vertical connecting steel plate and are connected and fixed;
and the post-cast strip connecting steel plate is arranged on a built-in anchor bolt at the position of post-cast concrete.
2. The fabricated stiff concrete shear wall of claim 1, wherein the edge section steel is H-section steel or i-section steel, which is located at the center of the area enclosed by the edge stressed longitudinal ribs, and the edge restraining member further comprises edge restraining stirrups, which are arranged at the periphery of the area enclosed by the edge stressed longitudinal ribs.
3. The fabricated stiff concrete shear wall of claim 1, wherein the upper steel beam connection key is formed of two parallel opposed steel plates with a gap therebetween, and the lower steel beam connection key is formed of a steel plate having a thickness corresponding to or slightly smaller than the width of the gap.
4. The assembled stiff concrete shear wall of claim 3, wherein the upper steel beam connecting key and the lower steel beam connecting key are correspondingly provided with bolt holes.
5. The fabricated stiff concrete shear wall according to claim 3, wherein the width of each steel plate is the same as the width of the area surrounded by the edge stressed longitudinal bars, and the height of each steel plate is 2 times of the thickness of the concrete protection layer of the steel beam connected with the steel plate.
6. A method of installing an assembled stiff concrete shear wall, the method being applicable to the assembled stiff concrete shear wall of any one of claims 1 to 5, comprising the steps of:
s10: hoisting the upper-layer shear wall plate in place, so that the lower steel beam connecting keys of the upper-layer shear wall plate can be inserted into the upper steel beam connecting keys of the lower-layer shear wall plate;
s20: inserting the high-strength bolt into a bolt hole formed by the upper steel beam connecting key and the lower steel beam connecting key to realize the connection of the upper steel beam connecting key and the lower steel beam connecting key;
s30: fixing a horizontal connecting steel plate on a built-in anchor bolt at a horizontal joint formed between the upper and lower shear wall plates;
s40: fixing the vertical connecting steel plate on a built-in anchor bolt at a vertical joint formed between adjacent shear wall plates of the same layer;
s50: erecting a formwork at a wall steel beam connecting key, and then pouring concrete;
s60: and (4) removing the formwork after the strength of the post-cast concrete meets the requirement, and installing a post-cast strip connecting steel plate on a built-in anchor bolt at the position of the post-cast concrete to finish the assembly of the wall body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010623700.1A CN111535498B (en) | 2020-07-02 | 2020-07-02 | Prefabricated stiff concrete shear wall plate with steel beam connecting keys, assembled stiff concrete shear wall and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010623700.1A CN111535498B (en) | 2020-07-02 | 2020-07-02 | Prefabricated stiff concrete shear wall plate with steel beam connecting keys, assembled stiff concrete shear wall and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111535498A CN111535498A (en) | 2020-08-14 |
| CN111535498B true CN111535498B (en) | 2020-10-16 |
Family
ID=71971217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010623700.1A Active CN111535498B (en) | 2020-07-02 | 2020-07-02 | Prefabricated stiff concrete shear wall plate with steel beam connecting keys, assembled stiff concrete shear wall and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111535498B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442569B (en) * | 2018-04-28 | 2023-12-12 | 郑州大学 | Function-recoverable energy consumption reinforced concrete shear wall and construction method thereof |
| CN113502948B (en) * | 2021-08-13 | 2023-02-24 | 中铁二十局集团市政工程有限公司 | Reinforced concrete shear wall with steel connecting pieces and soft steel supports and construction method |
| CN113833120B (en) * | 2021-08-30 | 2022-05-03 | 三东筑工（德州）有限公司 | Connection structure of assembled precast concrete shear wall and girder steel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435232A (en) * | 2008-12-12 | 2009-05-20 | 北京工业大学 | Common concrete frame column restricted type regeneration concrete shear force wall and manufacturing method thereof |
| CN103774758A (en) * | 2014-02-19 | 2014-05-07 | 中国建筑第八工程局有限公司 | Connecting method and connecting structure for box-type steel pipe column and shear wall end post |
| CN104032858A (en) * | 2014-05-15 | 2014-09-10 | 中国建筑股份有限公司 | Assembly-type steel beam joint linear mixed coupled wall and construction method thereof |
| CN105649230A (en) * | 2016-03-16 | 2016-06-08 | 福州大学 | Buckling-proof steel plate shear wall with end columns and construction method thereof |
| CN107842132A (en) * | 2017-12-14 | 2018-03-27 | 兰州理工大学 | The precast reinforced concrete shear wall attachment means and connection method that a kind of bending resistance is cut |
| JP6538576B2 (en) * | 2016-01-19 | 2019-07-03 | 三井住友建設株式会社 | Joint structure of shear wall and slab of RC structure |
| CN111206699A (en) * | 2020-04-23 | 2020-05-29 | 中国船舶重工集团国际工程有限公司 | Transverse connection structure of assembled stiff concrete shear wall, shear wall and construction method |
| CN111305390A (en) * | 2020-04-28 | 2020-06-19 | 中冶建筑研究总院有限公司 | Vertical connecting structure of assembled stiff concrete shear wall, shear wall and construction method |
-
2020
- 2020-07-02 CN CN202010623700.1A patent/CN111535498B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435232A (en) * | 2008-12-12 | 2009-05-20 | 北京工业大学 | Common concrete frame column restricted type regeneration concrete shear force wall and manufacturing method thereof |
| CN103774758A (en) * | 2014-02-19 | 2014-05-07 | 中国建筑第八工程局有限公司 | Connecting method and connecting structure for box-type steel pipe column and shear wall end post |
| CN104032858A (en) * | 2014-05-15 | 2014-09-10 | 中国建筑股份有限公司 | Assembly-type steel beam joint linear mixed coupled wall and construction method thereof |
| JP6538576B2 (en) * | 2016-01-19 | 2019-07-03 | 三井住友建設株式会社 | Joint structure of shear wall and slab of RC structure |
| CN105649230A (en) * | 2016-03-16 | 2016-06-08 | 福州大学 | Buckling-proof steel plate shear wall with end columns and construction method thereof |
| CN107842132A (en) * | 2017-12-14 | 2018-03-27 | 兰州理工大学 | The precast reinforced concrete shear wall attachment means and connection method that a kind of bending resistance is cut |
| CN111206699A (en) * | 2020-04-23 | 2020-05-29 | 中国船舶重工集团国际工程有限公司 | Transverse connection structure of assembled stiff concrete shear wall, shear wall and construction method |
| CN111305390A (en) * | 2020-04-28 | 2020-06-19 | 中冶建筑研究总院有限公司 | Vertical connecting structure of assembled stiff concrete shear wall, shear wall and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111535498A (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111535498B (en) | Prefabricated stiff concrete shear wall plate with steel beam connecting keys, assembled stiff concrete shear wall and manufacturing method | |
| KR101030419B1 (en) | Joint structure of vertical member and horizontal member | |
| CN107975160B (en) | Shear wall structure with lateral connecting key groove, manufacturing and assembling method | |
| CN111519825B (en) | Prefabricated stiff concrete shear wall plate with U-shaped anchoring steel plates, assembled stiff concrete shear wall and manufacturing method | |
| CN220620712U (en) | Beam structure, prefabricated room module and steel-concrete building | |
| CN108396859B (en) | Assembly type concrete beam column connecting joint and construction method thereof | |
| CN111335464B (en) | Beam column connecting joint of fabricated concrete structure and construction method thereof | |
| CN210194867U (en) | Assembly type building structure | |
| CN111519826B (en) | Assembly type stiff concrete shear wall structure with embedded connecting steel plates and manufacturing method | |
| CN111236433B (en) | Assembly type steel frame-stiffened concrete core tube structure system, multi-story high-rise building structure and construction method | |
| CN113585456A (en) | Precast concrete beam column connection node structure and construction method | |
| CN106894544B (en) | Embedded single-layer steel plate-concrete combined shear wall and construction method thereof | |
| CN218346250U (en) | Connecting structure of crossbeam-free high-penetrating V-shaped column joint | |
| CN110748171A (en) | Construction method of steel-concrete assembled building | |
| JP4095534B2 (en) | Joint structure of column and beam in ramen structure and its construction method | |
| CN215926271U (en) | Precast concrete beam column connected node structure | |
| CN212405751U (en) | Column prefabricated part | |
| CN212506733U (en) | Assembled concrete structure beam column connected node | |
| CN210976062U (en) | Assembled frame construction combination system | |
| CN211690754U (en) | Assembled concrete building connected node | |
| CN108385831B (en) | Prefabricated column, column-column connecting joint, beam-column joint and construction method | |
| CN219508823U (en) | Mixed rigid connection node of steel module building structure | |
| CN220565503U (en) | Superimposed shear wall structure for modularized building | |
| CN219411221U (en) | Direct-connection type composite beam column quick connection structure | |
| CN216156917U (en) | Assembled concrete space composite floor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |