CN111980226B - Full-assembly mortise-tenon connection multi-cavity steel plate combined shear wall and construction method thereof - Google Patents
Full-assembly mortise-tenon connection multi-cavity steel plate combined shear wall and construction method thereof Download PDFInfo
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- CN111980226B CN111980226B CN202010844902.9A CN202010844902A CN111980226B CN 111980226 B CN111980226 B CN 111980226B CN 202010844902 A CN202010844902 A CN 202010844902A CN 111980226 B CN111980226 B CN 111980226B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
- E04B2/62—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members the members being formed of two or more elements in side-by-side relationship
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
The invention discloses a fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall and a construction method thereof, wherein the shear wall comprises a wall body, a horizontal connecting structure arranged on the top surface of the wall body and a first flange plate arranged at the bottom of the wall body, wherein the wall body comprises an outer-coated steel plate, vertical partition plates arranged in the outer-coated steel plate at intervals, a reserved cavity arranged at the lower part of the wall body and filled concrete; the first flange plate is a rectangular frame, a first bolt hole used for penetrating a bolt is formed in the edge position of the frame, and the lower portion of the outer wrapping steel plate is welded and fixed with the inner side edge of the frame of the first flange plate. The problems of discontinuity of column nets, over-dense column nets and exposed beams and exposed columns of the steel structure residential building of the traditional frame-support structure system can be solved, and the problems of low assembly efficiency, large wet workload and the like of the traditional multi-cavity steel plate combined shear wall construction site can be solved. Meanwhile, the horizontal joint of the shear wall has high bearing capacity and good anti-seismic performance, and is a good prefabricated shear wall component with an assembled steel structure.
Description
Technical Field
The invention relates to the field of wall construction, in particular to a fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall and a construction method thereof.
Background
Compared with an assembled concrete structure, the assembled steel structure building has a series of advantages of strong bearing capacity, good anti-seismic performance, large use space, high industrialization degree, light structure dead weight and the like, and is a development direction of residential buildings in the future.
Currently, prefabricated steel structure residential buildings mainly adopt a frame-support structure system. However, when the structural system is applied to houses, due to the fact that house types in house sleeves of China are diversified, and the needs of lighting, ventilation, modeling and the like in buildings are met, the problems of discontinuous column nets, dense column nets, exposed beams and exposed columns are prone to occurring. The traditional assembly type concrete shear wall structure system can bear larger horizontal load, has better applicability to plane arrangement, and can adapt to the change of house types in a sleeve, so that the shear wall structure system is introduced into an assembly type steel structure residential building, the new structure system can have the advantages of both the assembly type concrete shear wall and the assembly type steel structure, and the problem of the existing assembly type steel structure residential building is solved.
In the application of a shear wall structure system in an assembled steel structure, a shear wall member suitable for the steel structure needs to be adopted. The steel plate composite shear wall has good bearing capacity, lateral rigidity resistance, ductility and energy consumption capacity, and is widely popularized and applied in practical engineering. The multi-cavity steel plate composite shear wall is characterized in that a plurality of vertical steel partition plates are arranged in an outer steel plate on the basis of the steel plate composite shear wall, the restraint effect on filled concrete is enhanced due to the arrangement of the vertical partition plates, the outer steel plate is effectively prevented from being locally bent in the early stage, and the bearing capacity and the energy consumption capacity of the shear wall are improved compared with those of the steel plate composite shear wall.
At the present stage, the multi-cavity steel plate composite shear wall is formed by processing steel members in a factory, assembling the steel members in a welding mode on a construction site, pouring concrete into the steel members, and curing the steel members to form the whole shear wall. Although the process of traditional concrete structure on-site formwork erecting is omitted, a large amount of on-site welding and concrete pouring work is still required for the multi-cavity steel plate combined shear wall, and a series of problems of low construction efficiency, large wet workload, high labor cost, serious environmental pollution and the like exist.
Disclosure of Invention
The invention aims to provide a fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall and a construction method thereof, and aims to solve the technical problems that no combined shear wall capable of being directly assembled on site exists in the prior art, the construction process is complex, the construction period is long, the assembly efficiency is low, the wet operation amount is large, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention provides a fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall which comprises a wall body, a horizontal connecting structure arranged on the top surface of the wall body and a first flange plate arranged at the bottom of the wall body, wherein the wall body comprises an outer-coated steel plate, vertical partition plates arranged in the outer-coated steel plate at intervals, a reserved cavity arranged at the lower part of the wall body and filled concrete; the first flange plate is a rectangular frame, a first bolt hole is formed in the edge position of the frame, and the lower portion of the outer wrapping steel plate is fixedly welded with the edge of the inner side of the frame of the first flange plate;
The horizontal connection structure comprises a second flange plate and a group of convex parts welded on the top surface of the second flange plate, the bottom surface of the second flange plate is welded with the top surface of the wall body, the second flange plate is rectangular, and second bolt holes are formed in the edge positions around the second flange plate.
Furthermore, the convex part adopts a square steel pipe.
Further, the convex part is matched with the reserved cavity. The width of the convex part is adapted to the space between two adjacent vertical partition plates. The convex parts can be arranged at corresponding positions of each reserved cavity and can also be arranged at intervals.
Further, the vertical partition plate is a steel plate; the thickness of the steel plate is at least 4 mm. The vertical partition plate is a steel plate or a truss.
Further, the shear wall comprises a top shear wall and a bottom shear wall;
the top shear wall comprises a wall body and a first flange plate arranged at the bottom of the wall body, wherein the wall body comprises an outer-coated steel plate, vertical partition plates arranged in the outer-coated steel plate at intervals, a reserved cavity arranged at the lower part of the wall body and filled concrete; the first flange plate is a rectangular frame, a first bolt hole for passing through a high-strength bolt is formed in the edge position of the frame, and the lower part of the outer steel plate is welded and fixed with the inner side edge of the frame of the first flange plate;
The bottom shear wall comprises a wall body and a horizontal connecting structure arranged on the top surface of the wall body, wherein the wall body comprises an outer steel plate, vertical partition plates arranged in the outer steel plate at intervals and filled concrete; the horizontal connection structure comprises a second flange plate and a group of convex parts welded on the top surface of the second flange plate, the bottom surface of the second flange plate is welded with the top surface of the wall body, the second flange plate is rectangular, and second bolt holes used for passing through high-strength bolts are formed in the peripheral positions of the second flange plate.
Further, the height of the multi-cavity steel plate shear wall is at least 2.7 m. The height of the multi-cavity steel plate shear wall is the story height of one story or several stories of a building.
Furthermore, the section of the mortise and tenon type multi-cavity steel plate shear wall is in a straight line shape, an L shape or a T shape.
The invention provides a construction method of a combined shear wall comprising a fully-assembled mortise-tenon joint multi-cavity steel plate, which comprises the following specific steps:
prefabricating a top shear wall, a bottom shear wall and a middle fully-assembled tenon-and-mortise-connected multi-cavity steel plate combined shear wall in a factory;
step two, reliably connecting the bottom shear wall with the bottom foundation of the building;
hoisting a middle fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall to the position above the bottom shear wall by using hoisting equipment, and slowly lowering the bottom shear wall so that a group of convex parts on the top surface of a first flange plate of the bottom shear wall are inserted into a reserved cavity of the middle fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall; after adjusting and aligning the two prefabricated shear walls, connecting a first flange plate of the middle fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall with a second flange plate of the bottom shear wall by adopting a high-strength bolt; mounting a steel beam at the position of the horizontal joint, and overlapping a floor slab on the steel beam;
Splicing the rest mortise-tenon type multi-cavity steel plate shear walls pairwise;
and step five, splicing the top shear wall and the uppermost middle mortise-tenon type multi-cavity steel plate shear wall to form a shear wall in the building.
Further, the top shear wall is connected or the ear plates are connected with the full-assembly mortise-tenon joint multi-cavity steel plate combined shear wall, the bottom shear wall and the two adjacent full-assembly mortise-tenon joint multi-cavity steel plate combined shear walls through the flange plates.
Further, in the step one, the manufacturing step of the top shear wall comprises the following steps:
s1, welding the vertical partition plate to a steel plate on one side of the outer-coated steel plate, welding a steel plate on the other side of the outer-coated steel plate by using a mechanical arm, and welding a first flange plate;
and S2, supporting a formwork at a certain height of the bottom of the welded steel member, and pouring concrete into the cavity, so that a certain space is reserved at the bottom of the grouted top shear wall to form a reserved cavity, and a group of convex parts on the top surface of the second flange plate can be inserted conveniently.
Further, in the first step, the manufacturing steps of the full-assembly tenon-and-mortise connection multi-cavity steel plate combined shear wall are as follows:
s1, welding the vertical partition plate to a steel plate on one side of the outer-coated steel plate, welding a steel plate on the other side of the outer-coated steel plate by using a mechanical arm, and welding a first flange plate;
S2, supporting a formwork at a certain height of the bottom of the welded steel member, and pouring concrete into the cavity, so that a certain space is reserved at the bottom of the grouted shear wall to form a reserved cavity, and a group of convex parts on the top surface of the second flange plate can be conveniently inserted;
and S3, welding a second flange plate on the upper part of the shear wall, and welding a group of convex parts at the position of the second flange plate corresponding to the cavity.
Further, in the first step, the manufacturing of the bottom shear wall comprises the following steps:
s1, welding the vertical partition plate to a steel plate on one side of the outer steel plate, and welding a steel plate on the other side of the outer steel plate by using a mechanical arm;
s2, pouring concrete into the cavity;
and S3, welding a second flange plate on the upper part of the shear wall, and welding a group of convex parts at the positions of the second flange plate corresponding to the cavities, wherein the difference between the convex parts and the inner diameter of the corresponding reserved cavity is 1-2mm, so that splicing and insertion are facilitated.
The invention has the beneficial effects that:
the fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall and the construction method thereof have the advantages of simple design and ingenious structure. The combined wall comprises a top shear wall, a bottom shear wall and at least one mortise and tenon type multi-cavity steel plate shear wall arranged between the top shear wall and the bottom shear wall, the number of the mortise and tenon type multi-cavity steel plate shear walls can be adjusted to adapt to the height of a main body, the combined wall is flexible and convenient, the application range is wide, and the horizontal seams are directly connected by high-strength bolts. The horizontal joint has strong bearing capacity and good anti-seismic performance, and is a good prefabricated shear wall component with a fabricated steel structure.
2, the fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall and the construction method thereof provided by the invention can solve the problems of discontinuity of column nets, excessive density of column nets and exposed beams and columns of a traditional frame-support structure system steel structure house, and can also solve the problems of low assembly efficiency, large wet operation amount and the like of the traditional multi-cavity steel plate combined shear wall construction site. Meanwhile, the horizontal joint of the shear wall has high bearing capacity and good anti-seismic performance, and is a good prefabricated shear wall component with an assembled steel structure.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of a fully assembled mortise and tenon type multi-cavity steel plate composite shear wall;
FIG. 2 is an exploded view of a fully assembled mortise and tenon type multi-cavity steel plate composite shear wall;
FIG. 3 is a structural diagram of a middle mortise and tenon type multi-cavity steel plate combined shear wall;
FIG. 4 is a cross-sectional view taken along line 1-1 of FIG. 3;
FIG. 5 is a cross-sectional view taken at 2-2 of FIG. 3;
FIG. 6 is a cross-sectional view taken at 3-3 of FIG. 3;
FIG. 7 is a cross-sectional view taken at 4-4 of FIG. 3;
FIG. 8 is a constructional view of a top shear wall;
FIG. 9 is a cross-sectional view of FIG. 7;
FIG. 10 is a construction view of a bottom shear wall;
FIG. 11 is a cross-sectional view of FIG. 9;
FIG. 12 is a schematic view of the splicing of the top and bottom shear walls at a construction site;
FIG. 13 is a schematic view of the connection of a first flange to a second flange;
FIG. 14 is a schematic view of example 2.
Fig. 15 is a horizontal joint structure diagram of the dry joining construction method of embodiment 2.
Reference numerals: the concrete-filled steel plate shear wall comprises 1-mortise and tenon type multi-cavity steel plate shear walls, 2-horizontal connecting structures, 3-first flange plates, 4-first bolt holes, 5-externally-wrapped steel plates, 6-vertical partition plates, 7-internally-filled concrete, 8-wall bodies, 9-second flange plates, 10-second bolt holes, 11-convex parts, 12-top shear walls, 13-bottom shear walls, 14-high-strength bolts, 15-steel beams, 16-floor slabs, 17-first lug plates, 18-second lug plates and 19-reserved cavities.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Example 1
As shown in fig. 1 to 13, in one aspect, the invention provides a fully-assembled mortise-tenon-connected multi-cavity steel plate composite shear wall, which includes a wall body 8, a horizontal connecting structure 2 disposed on the top surface of the wall body 8, and a first flange 3 disposed at the bottom of the wall body 8, wherein the wall body 8 includes an outer-coated steel plate 5, vertical partition plates 6 disposed at intervals in the outer-coated steel plate 5, a reserved cavity 19 disposed at the lower part of the wall body 8, and an inner-filled concrete 7; first ring flange 3 is the rectangle frame, and first bolt hole 4 has been seted up to frame border position, and the inboard edge welded fastening of 5 lower parts of outsourcing steel sheet and 3 frames of first ring flange. The vertical clapboard 6 is a steel plate; the thickness of the steel plate is at least 4 mm. The vertical partition 6 may also be a truss.
The horizontal connecting structure 2 comprises a second flange 9 and a group of convex parts 11 welded on the top surface of the second flange 9, and the convex parts 11 can be square steel pipes. The bottom surface of the second flange plate 9 is connected with the top surface of the wall body 8 in a welding mode, the second flange plate 9 is rectangular, and second bolt holes 10 are formed in the edge positions around the second flange plate 9.
Wherein the protrusion 11 is adapted to the pre-cavity 19. The width of the convex part 11 is adapted to the distance between two adjacent vertical partition plates 6. The convex portions 11 may be disposed at corresponding positions of each reserved cavity 19, or may be disposed at intervals.
Further, a top shear wall 12 and a bottom shear wall 13 are included; the top shear wall 12 comprises a wall body 8 and a first flange 3 arranged at the bottom of the wall body 8, wherein the wall body 8 comprises an outer-coated steel plate 5, vertical partition plates 6 arranged in the outer-coated steel plate 5 at intervals, a reserved cavity 19 arranged at the lower part of the wall body 8 and inner-filled concrete 7; first ring flange 3 is the rectangle frame, and frame border position offers the first bolt hole 4 that is used for passing high- strength bolt 14, and 5 lower parts of outsourcing steel sheet are fixed with the inboard edge welded connection of 3 frames of first ring flange.
The bottom shear wall 13 comprises a wall body 8 and a horizontal connecting structure 2 arranged on the top surface of the wall body 8, wherein the wall body 8 comprises an outer-coated steel plate 5, vertical partition plates 6 arranged in the outer-coated steel plate 5 at intervals and inner-filled concrete 7; horizontal connection structure 2 includes second ring flange 9, welds a set of convex part 11 that sets up at second ring flange 9 top surface, and second ring flange 9 bottom surface and 8 top surface welded connection of wall body, second ring flange 9 are the rectangle, and second bolt hole 10 that is used for passing high-strength bolt 14 is offered to second ring flange 9 edge position all around.
The height of the multi-cavity steel plate shear wall is at least 2.7 m. The height of the multi-cavity steel plate shear wall is the story height of one story or several stories of a building, and can be flexibly adjusted according to actual requirements. The section of the mortise and tenon type multi-cavity steel plate shear wall 1 is in a straight line shape, an L shape or a T shape.
The construction method of the fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall comprises the following specific steps of:
firstly, prefabricating a top shear wall 12, a bottom shear wall 13 and a middle fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall in a factory;
the manufacturing method of the top shear wall 12 comprises the following steps:
s1, welding the vertical partition plate 6 to a steel plate on one side of the outer steel plate 5, welding a steel plate on the other side of the outer steel plate 5 by using a mechanical arm, and welding the first flange plate 3;
and S2, erecting a formwork at a certain height at the bottom of the welded steel member, and pouring concrete into the cavity, so that a certain space is reserved at the bottom of the grouted top shear wall 12 to form a reserved cavity 19, and a group of convex parts 11 on the top surface of the second flange plate 9 can be inserted into the reserved cavity.
The manufacturing method of the fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall comprises the following steps:
s1, welding the vertical partition plate 6 to a steel plate on one side of the outer steel plate 5, welding a steel plate on the other side of the outer steel plate 5 by using a mechanical arm, and welding the first flange plate 3;
s2, erecting a formwork at a certain height of the bottom of the welded steel member, and pouring concrete into the cavity, so that a certain space is reserved at the bottom of the grouted shear wall to form a reserved cavity 19, and a group of convex parts 11 on the top surface of the second flange plate 9 can be conveniently inserted;
And S3, welding a second flange plate 9 on the upper part of the shear wall, and welding a group of convex parts 11 at the positions of the second flange plate 9 corresponding to the cavities.
The manufacturing steps of the bottom shear wall 13 are as follows:
s1, welding the vertical partition plate 6 to a steel plate on one side of the outer-coated steel plate 5, and welding a steel plate on the other side of the outer-coated steel plate 5 by adopting a mechanical arm;
s2, pouring concrete into the cavity;
s3, welding a second flange 9 on the upper portion of the shear wall, and welding a group of protrusions 11 at positions of the second flange 9 corresponding to the cavity, wherein the difference between the inner diameters of the protrusions 11 and the corresponding reserved cavities 19 is 1-2mm, so that splicing insertion is facilitated.
Step two, reliably connecting the bottom shear wall 13 with the bottom foundation of the building;
hoisting a middle fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall to the position above the bottom shear wall 13 by using hoisting equipment, and slowly lowering the bottom shear wall so that a group of convex parts 11 on the top surface of the first flange plate 3 of the bottom shear wall 13 are inserted into a reserved cavity 19 of the middle fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall; after the two prefabricated shear walls are adjusted and aligned, connecting a first flange 3 of the middle fully-assembled mortise-tenon connected multi-cavity steel plate composite shear wall with a second flange 9 of a bottom shear wall 13 by adopting a high-strength bolt 14; mounting steel beams 15 at the horizontal joint positions, and overlapping floor slabs 16 on the steel beams 15;
Splicing the rest mortise-tenon type multi-cavity steel plate shear walls 1 in pairs;
and step five, splicing the top shear wall 12 and the uppermost middle mortise-tenon type multi-cavity steel plate shear wall 1 to form a shear wall in the building.
The top shear wall 12 is connected with the full-assembly mortise-tenon joint multi-cavity steel plate combined shear wall, the full-assembly mortise-tenon joint multi-cavity steel plate combined shear wall is connected with the bottom shear wall 13 and the two adjacent full-assembly mortise-tenon joint multi-cavity steel plate combined shear walls through the flange plates.
The fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall and the construction method thereof provided by the invention enrich the structural system of the existing steel structure building, and introduce the structural system of the shear wall (comprising a frame-shear wall, a frame-core barrel and a barrel) into a steel structure. The problems of discontinuous column net, dense column net, exposed beams and exposed columns and the like caused by the adoption of a frame-support structure system in the assembled steel structure house are solved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be considered by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention.
Claims (3)
1. The construction method of the fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall is characterized in that the shear wall comprises a wall body (8), a horizontal connecting structure (2) arranged on the top surface of the wall body (8) and a first flange (3) arranged at the bottom of the wall body (8), wherein the wall body (8) comprises an outer-coated steel plate (5), vertical partition plates (6) arranged in the outer-coated steel plate (5) at intervals, a reserved cavity (19) arranged at the lower part of the wall body (8) and internally filled concrete (7); the first flange plate (3) is a rectangular frame, a first bolt hole (4) is formed in the edge position of the frame, and the lower portion of the outer-coated steel plate (5) is fixedly welded with the inner side edge of the frame of the first flange plate (3);
the horizontal connecting structure (2) comprises a second flange plate (9) and a group of convex parts (11) welded on the top surface of the second flange plate (9), the bottom surface of the second flange plate (9) is welded with the top surface of the wall body (8), the second flange plate (9) is rectangular, and second bolt holes (10) are formed in the peripheral edge of the second flange plate (9); the shear wall structure further comprises a top shear wall (12) and a bottom shear wall (13); the convex part (11) is matched with the reserved cavity (19);
The top shear wall (12) comprises a wall body (8) and a first flange plate (3) arranged at the bottom of the wall body (8), wherein the wall body (8) comprises an outer-coated steel plate (5), vertical partition plates (6) arranged in the outer-coated steel plate (5) at intervals, a reserved cavity (19) arranged at the lower part of the wall body (8) and filled concrete (7); the first flange plate (3) is a rectangular frame, a first bolt hole (4) for penetrating through a high-strength bolt (14) is formed in the edge position of the frame, and the lower part of the outer-coated steel plate (5) is fixedly welded with the inner side edge of the frame of the first flange plate (3);
the bottom shear wall (13) comprises a wall body (8) and a horizontal connecting structure (2) arranged on the top surface of the wall body (8), wherein the wall body (8) comprises an outer wrapping steel plate (5), vertical partition plates (6) arranged in the outer wrapping steel plate (5) at intervals and inner filling concrete (7); the horizontal connecting structure (2) comprises a second flange plate (9) and a group of convex parts (11) welded on the top surface of the second flange plate (9), the bottom surface of the second flange plate (9) is welded with the top surface of the wall body (8), the second flange plate (9) is rectangular, and second bolt holes (10) for passing through high-strength bolts (14) are formed in the peripheral edge positions of the second flange plate (9);
the method comprises the following specific steps:
firstly, prefabricating a top shear wall (12), a bottom shear wall (13) and a middle fully-assembled mortise-tenon joint multi-cavity steel plate combined shear wall in a factory;
The manufacturing method of the top shear wall (12) comprises the following steps:
s1, welding the vertical partition plate (6) to a steel plate on one side of the outer-coated steel plate (5), welding a steel plate on the other side of the outer-coated steel plate (5) by using a mechanical arm, and welding the first flange plate (3);
s2, supporting a formwork at a certain height of the bottom of the welded steel member, and pouring concrete into the cavity, so that a certain space is reserved at the bottom of the grouted top shear wall (12) to form a reserved cavity (19), and a group of convex parts (11) on the top surface of the second flange plate (9) can be inserted conveniently;
the manufacturing method of the fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall comprises the following steps:
s1, welding the vertical partition plate (6) to a steel plate on one side of the outer-coated steel plate (5), welding a steel plate on the other side of the outer-coated steel plate (5) by using a mechanical arm, and welding the first flange plate (3);
s2, erecting a formwork at a certain height of the bottom of the welded steel member, and pouring concrete into the cavity, so that a certain space is reserved at the bottom of the grouted shear wall to form a reserved cavity (19), and a group of convex parts (11) on the top surface of the second flange plate (9) can be inserted conveniently;
s3, welding a second flange (9) on the upper part of the shear wall, and welding a group of convex parts (11) at the positions of the second flange (9) corresponding to the cavity;
the manufacturing steps of the bottom shear wall (13) are as follows:
S1, welding the vertical partition plate (6) to a steel plate on one side of the outer-coated steel plate (5), and welding a steel plate on the other side of the outer-coated steel plate (5) by adopting a mechanical arm;
s2, pouring concrete into the cavity;
s3, welding a second flange (9) on the upper part of the shear wall, and welding a group of convex parts (11) at the positions of the second flange (9) corresponding to the cavities, wherein the difference between the inner diameters of the convex parts (11) and the corresponding reserved cavities (19) is 1-2mm, so that splicing insertion is facilitated;
step two, reliably connecting the bottom shear wall (13) with the bottom foundation of the building;
hoisting a middle fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall to the position above a bottom shear wall (13) by using hoisting equipment, and slowly lowering the bottom shear wall so that a group of convex parts (11) on the top surface of a first flange plate (3) of the bottom shear wall (13) are inserted into a reserved cavity (19) of the middle fully-assembled mortise-tenon joint multi-cavity steel plate composite shear wall; after the two prefabricated shear walls are adjusted and aligned, connecting a first flange (3) of the middle fully-assembled tenon-and-mortise connected multi-cavity steel plate combined shear wall with a second flange (9) of a bottom shear wall (13) by adopting a high-strength bolt (14); mounting a steel beam (15) at the position of the horizontal joint, and overlapping a floor slab (16) on the steel beam (15);
splicing the rest mortise-tenon type multi-cavity steel plate shear walls (1) in pairs;
Splicing the top shear wall (12) and the uppermost middle mortise-tenon type multi-cavity steel plate shear wall (1) to form a shear wall in the building;
the top shear wall (12) is connected with the full-assembly mortise-tenon joint multi-cavity steel plate composite shear wall, the full-assembly mortise-tenon joint multi-cavity steel plate composite shear wall is connected with the bottom shear wall (13) and the two adjacent full-assembly mortise-tenon joint multi-cavity steel plate composite shear walls through flanges or lugs.
2. The construction method according to claim 1, wherein the convex portion (11) is a square steel pipe.
3. The construction method according to claim 1, wherein the vertical partition (6) is a steel plate; the thickness of the steel plate is at least 4 mm.
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| CN113431222B (en) * | 2021-07-01 | 2022-10-04 | 重庆大学 | Assembled steel bar clamping groove type composite shear wall and splicing method thereof |
| CN114197743B (en) * | 2022-01-20 | 2022-12-23 | 内蒙古工业大学 | Energy-saving environment-friendly assembly type wall based on coal gangue ceramsite and assembly method thereof |
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