CN113026994B - Assembly type double-connecting-beam combined shear wall component, structure and manufacturing and construction method thereof - Google Patents
Assembly type double-connecting-beam combined shear wall component, structure and manufacturing and construction method thereof Download PDFInfo
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- CN113026994B CN113026994B CN202110196929.6A CN202110196929A CN113026994B CN 113026994 B CN113026994 B CN 113026994B CN 202110196929 A CN202110196929 A CN 202110196929A CN 113026994 B CN113026994 B CN 113026994B
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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
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- 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
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Abstract
The invention discloses an assembled double-connecting-beam combined shear wall component, a structure and a manufacturing and constructing method thereof, wherein the shear wall component comprises two adjacent shear walls, double-connecting beams connected below a top plate of the shear wall, wall embedded columns arranged in the shear wall and connected to two sides of the double-connecting beams and steel connecting pieces connected in the wall embedded columns; the shear wall structure further comprises a lower doubly-linked beam and a horizontal area grouting connecting structure which are connected below the shear wall bottom plate. The double-connecting beam is arranged, so that the integrity of the shear wall is favorably enhanced, the ductility and the energy consumption capability of the opening of the shear wall are improved, and the concrete construction is facilitated; through the arrangement of the wall hidden columns, concrete can be effectively restrained, and the seismic performance of the shear wall plate is improved; through the setting of steel connecting piece, do benefit to the bulk joint of guaranteeing the wall hidden column and strengthen its joint strength, its when the assembled construction of shear force wall, the steel connecting piece has still played the effect of location and assembling.
Description
Technical Field
The invention belongs to the field of assembly type building construction, and particularly relates to an assembly type double-connecting-beam combined shear wall component, a structure and a manufacturing and construction method thereof.
Background
Building industrialization is the key point of national construction and development, wherein assembly type buildings are greatly popularized, and building enterprises are encouraged to carry out assembly type construction and field assembly; corresponding policy support is provided for the construction of national assembly type building production bases and the like; this results in a gradually increasing proportion of the prefabricated building to the new building. In the existing fabricated building, the connecting piece is an important factor for realizing the construction safety of a precast concrete structure, the seismic bearing capacity and the seismic ductility of a joint surface, so that a key design is required; and how to conveniently install and ensure the stress and the anti-seismic performance of the adjacent shear walls at the opening is always the key point of design.
Disclosure of Invention
The invention provides an assembly type double-connecting-beam combined shear wall member, a structure and a manufacturing and constructing method thereof, which are used for solving the technical problems that the upper part, the lower part and the horizontal part of an assembly type combined connection concrete shear wall at a hole are difficult to connect, the problem of brittle failure of a connecting beam with a small span-height ratio, the improvement of the earthquake-resistant ductility of the whole structure and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
an assembled double-connecting-beam combined shear wall component comprises two adjacent shear walls, double connecting beams connected below a shear wall top plate, wall embedded columns arranged in the shear walls and connected to two sides of the double connecting beams, and steel connecting pieces connected in the wall embedded columns;
the double-connecting beam comprises a top first connecting beam and a top second connecting beam positioned above the top first connecting beam, the top first connecting beam is a fully-prefabricated beam, and the top second connecting beam is a semi-prefabricated beam;
the wall hidden column is a prefabricated or semi-prefabricated concrete column and comprises a hidden column body, hidden column longitudinal ribs and hidden column horizontal ribs which are connected inside the hidden column body, and hidden column stirrups which are connected to the outer sides of the hidden column longitudinal ribs and are exposed; the embedded column longitudinal ribs extend out of the embedded column body at the vertical upper end or extend out of the embedded column body at two ends, and the embedded column horizontal ribs and/or the steel connecting pieces extend out of the embedded column body; the steel connecting piece is of a separated type or a through type, is buried in the wall embedded column, and is wrapped by the embedded column longitudinal ribs, the embedded column stirrups and the embedded column horizontal ribs along the length direction of the steel connecting piece.
Furthermore, the top of the wall embedded column is flush with the top surface of the top second connecting beam, and embedded column stirrups in the wall embedded column are arranged at intervals within the height range of the embedded column; the wall hidden post is also connected with hidden post lacing wires which are at least connected between the two hidden post longitudinal bars at the outermost side.
Furthermore, the top first connecting beam comprises a top first beam body, a top first longitudinal rib connected in the top first beam body, a top first stirrup connected at the outer side of the top first longitudinal rib and a top first lacing wire connected between the top first longitudinal ribs; the top first longitudinal bar extends into the hidden column body;
the top second connecting beam comprises a top second beam body, a top second longitudinal rib connected in the top second beam body, a top second stirrup connected to the outer side of the top second longitudinal rib and a top second lacing wire connected between the top second longitudinal ribs; the upper part of the top second stirrup is reserved with a free end which is not more than half of the height of the whole top second stirrup, and the free end of the top second stirrup extends into the upper structure to be cast and connected together; the second longitudinal rib extends into the hidden column body.
Furthermore, the lower side inside the top first beam body is also connected with a horizontal top first bottom rib, and two ends of the top first bottom rib extend into the shear walls on two sides or wall embedded columns of the shear walls;
the lower side in the top second beam body is also connected with a top second bottom rib in the horizontal direction, and two ends of the top second bottom rib extend into the shear walls on two sides or wall embedded columns of the shear walls; or two ends of the top second bottom rib extend out of the semi-prefabricated shear walls or the semi-prefabricated wall embedded columns on two sides.
Furthermore, the cross section of the steel connecting piece is H-shaped, chinese character 'Wang', rectangular, L-shaped, I-shaped or square, the steel connecting piece is arranged in the wall hidden column in a through manner, and one end or two ends of the steel connecting piece extend into the adjacent upper and lower wall hidden columns; or the steel connecting pieces are spliced and formed, and the steel connecting pieces are at least arranged on two sides of the top second connecting beam and are spliced in a detachable connection mode.
Furthermore, the assembled double-connecting-beam combined shear wall structure comprises two adjacent shear walls, double-connecting beams connected below the top plates of the shear walls, lower double-connecting beams connected below the bottom plates of the shear walls, wall embedded columns arranged in the shear walls and connected to two sides of the double-connecting beams and steel connecting pieces connected in the wall embedded columns;
the double-connecting beam comprises a top first connecting beam and a top second connecting beam positioned above the top first connecting beam, the top first connecting beam is a fully-prefabricated beam, and the top second connecting beam is a semi-prefabricated beam;
the lower double-connection beam comprises a bottom first connection beam and a bottom second connection beam positioned above the bottom first connection beam, the bottom first connection beam is a fully-prefabricated beam, and the bottom second connection beam is a semi-prefabricated beam;
the bottom second connecting beam, the shear walls on two sides and the top first connecting beam form a hole, the shear wall above the hole and the shear wall below the hole are connected together through a steel connecting piece, and the semi-prefabricated top second connecting beam and the bottom second connecting beam are poured to complete integral connection with the wall embedded column.
Furthermore, the wall hidden column comprises a hidden column body which is connected with the upper shear wall and the lower shear wall, hidden column longitudinal ribs and hidden column horizontal ribs which are connected inside the hidden column body, and hidden column stirrups which are connected to the outer sides of the hidden column longitudinal ribs and are exposed; the wall hidden column longitudinal ribs are fixedly connected through lap joint, sleeve connection or welding, hidden column horizontal ribs are mutually connected, and the wall hidden column longitudinal ribs, the hidden column longitudinal ribs and the later poured concrete form an integral shear wall inner cylinder.
Furthermore, the wall embedded column is arranged from the bottom of the structure to the top of the design in a through-length mode or connected in a separating mode, and embedded column stirrups of the wall embedded column and wall horizontal steel bars are arranged at intervals.
Furthermore, the manufacturing method of the assembled double-connecting-beam combined shear wall component comprises the following steps that the combined shear wall component comprises two adjacent shear walls, double connecting beams connected to the lower portions of the top plates of the shear walls, wall embedded columns arranged in the shear walls and connected to the two sides of the double connecting beams and steel connecting pieces connected to the wall embedded columns;
the double-connecting beam comprises a top first connecting beam and a top second connecting beam positioned above the top first connecting beam, the top first connecting beam is a fully-prefabricated beam, and the top second connecting beam is a semi-prefabricated beam;
the wall hidden column is a prefabricated or semi-prefabricated concrete column and comprises a hidden column body, hidden column longitudinal ribs and hidden column horizontal ribs which are connected inside the hidden column body, and hidden column stirrups which are connected to the outer sides of the hidden column longitudinal ribs and are exposed; the embedded column longitudinal ribs extend out of the embedded column body at the vertical upper end or extend out of the embedded column body at two ends, and the embedded column horizontal ribs and/or the steel connecting pieces extend out of the embedded column body;
the manufacturing method of the combined shear wall member comprises the following specific steps:
firstly, manufacturing shear wall reinforcing steel bars, hidden column longitudinal bars in hidden columns of walls, hidden column stirrups, hidden column horizontal bars and hidden column tie bars according to the design requirements of the shear wall and by combining the design requirements of detailed structures at the opening of the shear wall, manufacturing reinforcing steel bars of a precast beam in a doubly-linked beam and reinforcing steel bars of a semi-precast beam, and manufacturing a steel connecting piece;
step two, manufacturing the hidden column longitudinal ribs, the hidden column horizontal ribs, the hidden column stirrups and the hidden column tie bars into hidden column reinforcement cages; manufacturing a double-connecting-beam reinforcement cage, and arranging corresponding connecting-beam tie bars; the stirrups of the wall embedded columns and the double-connected beams are arranged in a connection area or an area with large shearing force in an encrypted manner; assembling the steel connecting piece, the hidden column reinforcement cage and the connecting beam reinforcement cage on the bench formwork into a whole, and horizontally placing;
thirdly, manufacturing a shear wall, a die for jacking a first connecting beam (a full precast beam) and a die for jacking a second connecting beam (a semi-precast beam); the horizontal steel connecting piece, the hidden column steel reinforcement cage and the connecting beam steel reinforcement cage supporting side die are arranged on the bench formwork in a surrounding mode, wherein the lateral formwork of the first connecting beam is arranged at the bottom of the beam, the top of the beam, the front end of the beam and the rear end of the beam respectively;
and step four, pouring concrete, and curing to a preset strength to form the assembled double-connecting-beam combined shear wall member.
Furthermore, the shear wall structure comprises a combined shear wall structure which comprises two adjacent shear walls, a double-link beam connected below a top plate of the shear wall, a lower double-link beam connected below a bottom plate of the shear wall, wall embedded columns arranged in the shear wall and connected to two sides of the double-link beam, and steel connecting pieces connected in the wall embedded columns;
the double-connecting beam comprises a top first connecting beam and a top second connecting beam positioned above the top first connecting beam, the top first connecting beam is a fully-prefabricated beam, and the top second connecting beam is a semi-prefabricated beam;
the lower double-connection beam comprises a bottom first connection beam and a bottom second connection beam positioned above the bottom first connection beam, the bottom first connection beam is a fully-prefabricated beam, and the bottom second connection beam is a semi-prefabricated beam;
the bottom second connecting beam, the shear walls on the two sides and the top first connecting beam form a frame structure in a surrounding mode;
the construction method of the shear wall structure comprises the following specific steps:
step one, positioning: the upper assembly type double-connecting-beam combined shear wall component and the lower assembly type double-connecting-beam combined shear wall component are positioned in place on site, an oblique support component is installed, upper and lower steel connecting pieces are aligned, corresponding height, horizontal position and verticality are adjusted, and the oblique support component is fixed;
step two, fixed connection, wherein steel connecting pieces are connected into a whole through welding or bolting, and the hidden column longitudinal ribs 52 are lapped or welded;
binding field reinforcing steel bars, binding the field wall hidden column area hidden column longitudinal bars, the hidden column horizontal bars, the hidden column tie bars, the connecting beams and the floor slab reinforcing steel bars according to design requirements, complementarily binding top second longitudinal bars and/or top second stirrups of top second connecting beams, complementarily binding horizontal reinforcing steel bars of the horizontal connecting area, and connecting the reinforcing steel bars into a whole; step four, field formwork erecting: erecting a template of a top second connecting beam (semi-prefabricated beam) cast-in-place area, erecting a template of a horizontal connecting area and erecting a vertical template of a shear wall area;
and fifthly, pouring concrete and curing to a preset strength to form the shear wall structure built by the high-ductility double-connection beams.
The invention has the beneficial effects that:
1) According to the invention, the first connecting beam and the second connecting beam are arranged, so that the integrity of the assembled shear wall during installation is favorably enhanced, the first connecting beam and the second connecting beam are prefabricated and semi-prefabricated, a double connecting beam can be formed on the premise of being favorable for assembly construction, the ductility and the energy consumption capability of the opening of the shear wall are improved, and the concrete construction is facilitated;
2) According to the invention, through the arrangement of the wall hidden column, the hidden column longitudinal bars, the hidden column stirrups, the hidden column horizontal bars and the hidden column tie bars in the wall hidden column form the graded or through-length type steel reinforced concrete hidden column, so that concrete can be effectively restrained, the concrete is prevented from being damaged in advance, and the anti-seismic performance of the shear wall panel is further improved;
3) The arrangement of the steel connecting pieces is favorable for ensuring the integral connection of the wall embedded columns and enhancing the connection strength of the wall embedded columns, and the steel connecting pieces also play a role in positioning and assembling during the assembly construction of the shear wall;
the shear wall structure is formed by arranging the double connecting beams, arranging the shear wall components such as the wall embedded columns and the like, connecting a plurality of components, pouring the horizontal area and the like, so that the overall quality, the stress performance, the seismic performance and the like can be greatly ensured in application; 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
FIG. 1 is a schematic view of a fabricated twin beam composite shear wall component;
FIG. 2 is a schematic view of the connection between the wall embedded column and the double connecting beam;
FIG. 3 is a schematic view of a steel connection at an opening;
FIG. 4 is a schematic view of a wall stud connection;
FIG. 5 is a schematic top connection view of a wall stud;
fig. 6 is a schematic view of an assembled double-connecting-beam combined shear wall structure.
Reference numerals: 1-floor elevation, 2-plate top elevation, 3-top first connecting beam, 31-top first beam body, 32-top first longitudinal rib, 33-top first stirrup, 4-top second connecting beam, 41-top second beam body, 42-top second longitudinal rib, 43-top second stirrup, 44-top second bottom rib, 45-top second tie bar, 5-wall hidden column, 51-hidden column body, 52-hidden column longitudinal rib, 53-hidden column stirrup, 54-hidden column horizontal rib, 55-hidden column tie bar, 6-steel connecting piece, 61-steel connecting piece body, 62-steel connecting piece, 7-opening, 8-bottom first connecting beam and 9-bottom second connecting beam.
Detailed Description
As shown in fig. 1 to 5, an assembled twin beam composite shear wall component includes two adjacent shear walls, twin beams connected below a top plate of the shear walls, wall studs 5 disposed in the shear walls and connected to both sides of the twin beams, and steel connectors 6 connected in the wall studs 5. The double-connection beam comprises a top first connection beam 3 and a top second connection beam 4 positioned above the top first connection beam 3, wherein the top first connection beam 3 is a fully-prefabricated beam, and the top second connection beam 4 is a semi-prefabricated beam.
In this embodiment, the wall hidden column 5 is a prefabricated or semi-prefabricated concrete column, and includes a hidden column 51, hidden column longitudinal ribs 52 and hidden column horizontal ribs 54 connected to the inside of the hidden column 51 at intervals, and hidden column stirrups 53 connected to the outer sides of the hidden column longitudinal ribs 52 at intervals and exposed; the hidden column longitudinal ribs 52 extend out of the hidden column body 51 or extend out of the hidden column body 51 from the upper vertical end, and the hidden column horizontal ribs 54 and/or the steel connecting pieces 6 extend out of the hidden column body 51; the steel connecting piece 6 is a separate type or a through type, is embedded in the wall hidden column 5, and is wrapped by the hidden column longitudinal rib 52, the hidden column stirrup 53 and the hidden column horizontal rib 54 along the length direction of the steel connecting piece 6.
In the embodiment, the top of the wall hidden column 5 is flush with the top surface of the top second connecting beam 4, hidden column stirrups 53 in the wall hidden column 5 are arranged at intervals in the height range of the hidden column, and the length of a horizontal area of the shear wall poured after the hidden column stirrups 53 extend into the horizontal area is not less than 20mm; the wall hidden post 5 is also connected with hidden post lacing wire 55, and the hidden post lacing wire 55 is at least connected between the two hidden post longitudinal ribs 52 at the outermost side.
In this embodiment, the top first connecting beam 3 includes a top first beam body 31, a top first longitudinal rib 32 connected in the top first beam body 31, a top first stirrup 33 connected outside the top first longitudinal rib 32, and a top first tie bar connected between the top first longitudinal ribs 32; the top first longitudinal rib 32 extends into the blind cylinder 51. The top second connecting beam 4 comprises a top second beam body 41, a top second longitudinal rib 42 connected in the top second beam body 41, a top second stirrup 43 connected outside the top second longitudinal rib 42 and a top second tie bar 45 connected between the top second longitudinal ribs 42; the upper part of the top second stirrup 43 is reserved with a free end which is not more than half of the height of the whole top second stirrup 43, and the free end of the top second stirrup 43 extends into the upper structure to be cast and connected together; the top elevations of the top first stirrup 33 and the top second stirrup 43 adapt to the corresponding floor elevation 1, and the top first stirrup 33 and the top second stirrup 43 are respectively connected with the stirrups or longitudinal reinforcements in the floor slab at the corresponding slab top elevation 2. The top second longitudinal rib 42 extends into the blind cylinder 51.
In this embodiment, the top first longitudinal ribs 32 of the top layer and the bottom layer of the top first connecting beam 3, and the length of the bottom first longitudinal ribs of the top layer and the bottom layer of the bottom first connecting beam 8 extending into the wall embedded column 5 are less than half of the whole width of the wall embedded column 5; the length of the top second longitudinal bar 42 of the top layer and the bottom layer of the top second connecting beam 4 and the length of the bottom second longitudinal bar of the top layer and the bottom layer of the bottom second connecting beam 9 extending into the wall embedded column 5 are respectively larger than half of the whole width of the wall embedded column 5. The lower side in the first beam body 31 is also connected with a first horizontal bottom rib, and two ends of the first horizontal bottom rib extend into the shear walls on two sides or the wall embedded columns 5 of the shear walls.
In this embodiment, the lower side inside the top second beam body 41 is further connected with a top second bottom rib 44 in the horizontal direction, and two ends of the top second bottom rib 44 extend into the shear walls on two sides or the wall embedded columns 5 of the shear walls; or the two ends of the top second bottom rib 44 extend out of the semi-prefabricated shear wall or semi-prefabricated wall embedded column 5 at the two sides.
In this embodiment, the steel connecting member 6 includes a steel connecting member body 61 and steel connecting member fixing members 62 connected to both sides of the steel connecting member body 61, wherein the steel connecting member fixing members are T-shaped members and perform positioning and fastening functions. The cross section of the steel connecting piece body 61 is H-shaped, E-shaped, rectangular, L-shaped, I-shaped or square-shaped, the steel connecting piece 6 is arranged in the wall embedded column 5 in a through manner, and one end or two ends of the steel connecting piece 6 extend into the adjacent upper and lower wall embedded columns 5; or the steel connecting pieces 6 are spliced, the steel connecting pieces 6 are at least arranged at two sides of the top second connecting beam 4 and are spliced in a detachable connection mode, and the detachable connection mode is a bolt connection or a hoop connection.
As shown in fig. 1 to 6, an assembled double-connecting beam combined shear wall structure includes two adjacent shear walls, a double-connecting beam connected below a top plate of the shear wall, a lower double-connecting beam connected below a bottom plate of the shear wall, wall studs 5 disposed in the shear wall and connected to both sides of the double-connecting beam, and steel connectors 6 connected in the wall studs 5; the double-connection beam comprises a top first connection beam 3 and a top second connection beam 4 positioned above the top first connection beam 3, wherein the top first connection beam 3 is a fully-prefabricated beam, and the top second connection beam 4 is a semi-prefabricated beam.
In this embodiment, the lower double-link beam includes a bottom first link beam 8 and a bottom second link beam 9 located above the bottom first link beam 8, the bottom first link beam 8 is a fully-prefabricated beam, and the bottom second link beam 9 is a semi-prefabricated beam; the bottom second connecting beam 9, the shear walls on two sides and the top first connecting beam 3 are encircled to form a hole 7, the shear wall above the hole 7 and the shear wall below the hole 7 are connected together through a steel connecting piece 6, and the semi-prefabricated top second connecting beam 4 and the bottom second connecting beam 9 are poured to complete integral connection with the wall embedded column 5.
In this embodiment, the wall embedded column 5 includes an embedded column body 51 connecting the upper shear wall and the lower shear wall, an embedded column longitudinal rib 52 and an embedded column horizontal rib 54 connected to the inside of the embedded column body 51, and an embedded column stirrup 53 connected to the outside of the embedded column longitudinal rib 52 and exposed; the vertical ribs of the wall embedded column 5 are fixedly connected through lapping, sleeve connection or welding, the horizontal ribs 54 of the embedded column are mutually jointed and form an integral internal column body of the shear wall with the vertical ribs 52 of the embedded column and the concrete poured later.
In this embodiment, the wall embedded column 5 is connected from the bottom of the structure to the top of the design through long or in a separated manner, and the embedded column stirrup 53 of the wall embedded column 5 is arranged at intervals with the wall horizontal steel bars.
With reference to fig. 1 to 5, a method for manufacturing an assembled double-connecting-beam combined shear wall component includes two adjacent shear walls, a double connecting beam connected below a top plate of the shear wall, wall studs 5 disposed in the shear wall and connected to two sides of the double connecting beam, and steel connectors 6 connected to the wall studs 5; the double-connection beam comprises a top first connection beam 3 and a top second connection beam 4 positioned above the top first connection beam 3, the top first connection beam 3 is a fully-prefabricated beam, and the top second connection beam 4 is a semi-prefabricated beam;
the wall hidden column 5 is a prefabricated or semi-prefabricated concrete column and comprises a hidden column body 51, hidden column longitudinal ribs 52 and hidden column horizontal ribs 54 which are connected inside the hidden column body 51, and hidden column stirrups 53 which are connected to the outer sides of the hidden column longitudinal ribs 52 and are exposed; the hidden column longitudinal ribs 52 extend out of the hidden column body 51 or extend out of the hidden column body 51 at one vertical upper end, and the hidden column horizontal ribs 54 and/or the steel connecting pieces 6 extend out of the hidden column body 51.
Therefore, the manufacturing method of the combined shear wall member comprises the following specific steps:
firstly, according to the design requirements of the shear wall and the design requirements of detailed structures at the opening 7 of the shear wall, manufacturing the reinforcing steel bars of the shear wall, the embedded column longitudinal bars 52 in the embedded column 5 of the wall, the embedded column stirrups 53, the embedded column horizontal bars 54 and the embedded column tie bars 55, manufacturing the reinforcing steel bars of the precast beam in the double-link beam and the reinforcing steel bars of the semi-precast beam, and manufacturing the steel connecting piece 6.
Step two, manufacturing the hidden column longitudinal ribs 52, the hidden column horizontal ribs 54, the hidden column stirrups 53 and the hidden column tie bars 55 into a hidden column reinforcement cage; manufacturing a double-connecting-beam reinforcement cage, and arranging corresponding connecting-beam tie bars; the stirrups of the wall embedded columns 5 and the double-connected beams are arranged in a connection area or an area with large shearing force in an encrypted manner; the steel connecting piece 6, the hidden column reinforcement cage and the connecting beam reinforcement cage are assembled into a whole on the bench formwork and are horizontally placed.
Thirdly, manufacturing a die of the shear wall, a full precast beam for jacking the first connecting beam 3 and a semi-precast beam for jacking the second connecting beam 4; the steel connecting piece 6, the hidden column steel reinforcement cage and the connecting beam steel reinforcement cage supporting side die which are horizontally arranged are arranged on the bench formwork in a surrounding mode, wherein the lateral formwork of the first connecting beam 3 is arranged at the beam bottom, the beam top, the beam front end and the beam rear end respectively, the lateral formwork of the second connecting beam 4 is arranged at the beam bottom, the top of the prefabricated part of the semi-prefabricated beam, the beam front end and the rear end respectively, the second stirrup 43 penetrates through the reserved hole of the second connecting beam 4 top side die, and the lateral formwork of the wall hidden column 5 is arranged at the bottom, the front end, the rear end and the top of the hidden column.
And step four, pouring concrete, and curing to a preset strength to form the assembled double-connecting-beam combined shear wall member.
With reference to fig. 1 to 6, a construction method of an assembled double-connecting-beam combined shear wall structure is further described, in which a shear wall structure corresponding to the construction method includes a combined shear wall structure including two adjacent shear walls, a double-connecting beam connected below a top plate of the shear wall, a lower double-connecting beam connected below a bottom plate of the shear wall, wall studs 5 disposed in the shear wall and connected to both sides of the double-connecting beam, and steel connectors 6 connected in the wall studs 5; the double-connection beam comprises a top first connection beam 3 and a top second connection beam 4 positioned above the top first connection beam 3, the top first connection beam 3 is a fully-prefabricated beam, and the top second connection beam 4 is a semi-prefabricated beam; the lower double-connection beam comprises a bottom first connection beam 8 and a bottom second connection beam 9 positioned above the bottom first connection beam 8, the bottom first connection beam 8 is a fully-prefabricated beam, and the bottom second connection beam 9 is a semi-prefabricated beam; the bottom second connecting beam 9, the shear walls on the two sides and the top first connecting beam 3 enclose a frame structure.
Therefore, the construction method of the shear wall structure comprises the following specific steps:
step one, positioning: the upper assembly type double-connecting-beam combined shear wall component and the lower assembly type double-connecting-beam combined shear wall component are in place on site, the oblique supporting piece is installed, the upper steel connecting piece 6 and the lower steel connecting piece 6 are aligned, the corresponding height, horizontal position and verticality are adjusted, and the oblique supporting piece is fixed.
And step two, fixed connection, namely, the steel connecting pieces 6 are connected into a whole by welding or bolting, and the hidden column longitudinal ribs 52 are lapped or welded.
And step three, binding the reinforcing steel bars on site, binding the embedded column longitudinal bar 52, the embedded column horizontal bar 54, the embedded column tie bar 55, the connecting beam and the floor reinforcing steel bars in the area of the embedded column 5 of the site wall according to the design requirements, complementally binding the top second longitudinal bar 42 and/or the top second stirrup 43 of the top second connecting beam 4, complementally binding the horizontal reinforcing steel bars in the horizontal connection area, and connecting the reinforcing steel bars into a whole.
Step four, on-site formwork erecting: and erecting a template of a semi-prefabricated beam cast-in-place area of the top second connecting beam 4, erecting a template of a horizontal connection area and erecting a vertical template of a shear wall area.
And fifthly, pouring concrete and performing steam curing to reach a preset strength to form the shear wall structure built by the high-ductility double-connection beams.
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 made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (9)
1. An assembled double-connecting-beam combined shear wall component is characterized by comprising two adjacent shear walls, double-connecting beams connected below a top plate of the shear walls, wall embedded columns (5) arranged in the shear walls and connected to two sides of the double-connecting beams, and steel connecting pieces (6) connected in the wall embedded columns (5);
the double-connecting beam comprises a top first connecting beam (3) and a top second connecting beam (4) positioned above the top first connecting beam (3), the top first connecting beam (3) is a fully-prefabricated beam, and the top second connecting beam (4) is a semi-prefabricated beam;
the wall hidden column (5) is a prefabricated or semi-prefabricated concrete column and comprises a hidden column body (51), hidden column longitudinal ribs (52) and hidden column horizontal ribs (54) which are connected inside the hidden column body (51), and hidden column stirrups (53) which are connected to the outer sides of the hidden column longitudinal ribs (52) and are exposed; the hidden column longitudinal ribs (52) extend out of the hidden column body (51) at the vertical upper end or extend out of the hidden column body (51), and the hidden column horizontal ribs (54) and/or the steel connecting pieces (6) extend out of the hidden column body (51); the steel connecting piece (6) is of a separate type or a through type, is embedded into the wall hidden column (5), and is wrapped by the hidden column longitudinal rib (52), the hidden column stirrup (53) and the hidden column horizontal rib (54) along the length direction of the steel connecting piece (6);
the top first connecting beam (3) comprises a top first beam body (31), a top first longitudinal rib (32) connected in the top first beam body (31), a top first stirrup (33) connected to the outer side of the top first longitudinal rib (32) and a top first pull rib connected between the top first longitudinal ribs (32); the top first longitudinal rib (32) extends into the hidden column body (51);
the top second connecting beam (4) comprises a top second beam body (41), a top second longitudinal rib (42) connected in the top second beam body (41), a top second stirrup (43) connected to the outer side of the top second longitudinal rib (42) and a top second lacing wire (45) connected between the top second longitudinal ribs (42); the upper part of the top second stirrup (43) is reserved with a free end which is not more than half of the height of the whole top second stirrup (43), and the free end of the top second stirrup (43) extends into the upper structure to be cast and connected together; the top second longitudinal rib (42) extends into the hidden column body (51);
the lower side in the first beam body (31) of top still is connected with the first end muscle of level to, and the first end muscle both ends of top stretch into in the wall hidden column (5) of the shear force wall or shear force wall of both sides.
2. The fabricated twin beam composite shear wall structure of claim 1, wherein the top of the wall studs (5) is flush with the top surface of the top secondary beam (4), and stud stirrups (53) in the wall studs (5) are spaced within the height of the studs; the wall hidden post (5) is also connected with hidden post lacing wires (55), and the hidden post lacing wires (55) are at least connected between two hidden post longitudinal bars (52) at the outermost side.
3. The assembled double-connecting-beam combined shear wall component according to claim 1, wherein a horizontal top second bottom rib (44) is further connected to the lower side inside the top second beam body (41), and two ends of the top second bottom rib (44) extend into the shear walls on two sides or the wall studs (5) of the shear walls; or the two ends of the top second bottom rib (44) extend out of the semi-prefabricated shear wall or the semi-prefabricated wall embedded column (5) on the two sides.
4. The assembled double-connecting-beam combined shear wall component according to claim 1, wherein the cross section of the steel connecting piece (6) is H-shaped, wang-shaped, rectangular, L-shaped, I-shaped or square-shaped, the steel connecting piece (6) is arranged in the wall embedded column (5) in a through manner, and one end or two ends of the steel connecting piece (6) extend into the adjacent upper and lower wall embedded columns (5); or the steel connecting pieces (6) are spliced, and the steel connecting pieces (6) are at least arranged on two sides of the top second connecting beam (4) and are spliced in a detachable manner.
5. An assembled double-connecting-beam combined shear wall structure is characterized by comprising two adjacent shear walls, double-connecting beams connected below a top plate of the shear wall, lower double-connecting beams connected below a bottom plate of the shear wall, wall hidden columns (5) arranged in the shear wall and connected to two sides of the double-connecting beams, and steel connecting pieces (6) connected in the wall hidden columns (5);
the double-connecting beam comprises a top first connecting beam (3) and a top second connecting beam (4) positioned above the top first connecting beam (3), the top first connecting beam (3) is a fully-prefabricated beam, and the top second connecting beam (4) is a semi-prefabricated beam;
the lower double-connection beam comprises a bottom first connection beam (8) and a bottom second connection beam (9) positioned above the bottom first connection beam (8), the bottom first connection beam (8) is a fully-prefabricated beam, and the bottom second connection beam (9) is a semi-prefabricated beam;
the bottom second connecting beam (9), the shear walls on two sides and the top first connecting beam (3) are encircled to form a hole (7), the shear walls above the hole (7) are connected with the shear walls below the hole through steel connecting pieces (6), and the semi-prefabricated top second connecting beam (4) and the bottom second connecting beam (9) are poured to complete integral connection with the wall embedded column (5); the wall hidden columns (5) are arranged or connected in a separating mode from the bottom of the structure to the designed top in a full-length mode.
6. The fabricated twin-link beam composite shear wall structure according to claim 5, wherein the wall stud (5) comprises a stud body (51) connecting the upper shear wall and the lower shear wall, stud longitudinal ribs (52) and stud horizontal ribs (54) connected to the inside of the stud body (51), and stud stirrups (53) connected to the outside of the stud longitudinal ribs (52) and exposed; the wall hidden column (5) longitudinal ribs are fixedly connected through lapping, sleeve connection or welding, hidden column horizontal ribs (54) are mutually connected, and the hidden column longitudinal ribs (52) and the later poured concrete form an integral shear wall inner column body.
7. An assembled twin beam shear wall structure as defined in claim 5 in which the wall studs (5) have stud stirrups (53) spaced from the wall horizontal reinforcement.
8. The manufacturing method of the assembled double-connecting-beam combined shear wall component is characterized in that the assembled double-connecting-beam combined shear wall component comprises two adjacent shear walls, double connecting beams connected below a top plate of the shear wall, wall embedded columns (5) arranged in the shear wall and connected to two sides of the double connecting beams, and steel connecting pieces (6) connected in the wall embedded columns (5);
the double-connection beam comprises a top first connection beam (3) and a top second connection beam (4) positioned above the top first connection beam (3), the top first connection beam (3) is a fully-prefabricated beam, and the top second connection beam (4) is a semi-prefabricated beam;
the wall hidden column (5) is a prefabricated or semi-prefabricated concrete column and comprises a hidden column body (51), hidden column longitudinal ribs (52) and hidden column horizontal ribs (54) which are connected inside the hidden column body (51), and hidden column stirrups (53) which are connected to the outer sides of the hidden column longitudinal ribs (52) and are exposed; the hidden column longitudinal ribs (52) extend out of the hidden column body (51) at the vertical upper end or extend out of the hidden column body (51), and the hidden column horizontal ribs (54) and/or the steel connecting pieces (6) extend out of the hidden column body (51); the steel connecting piece (6) is of a separate type or a through type, is embedded into the wall hidden column (5), and is wrapped by the hidden column longitudinal rib (52), the hidden column stirrup (53) and the hidden column horizontal rib (54) along the length direction of the steel connecting piece (6);
the top first connecting beam (3) comprises a top first beam body (31), a top first longitudinal rib (32) connected in the top first beam body (31), a top first stirrup (33) connected to the outer side of the top first longitudinal rib (32) and a top first pull rib connected between the top first longitudinal ribs (32); the top first longitudinal rib (32) extends into the hidden column body (51);
the top second connecting beam (4) comprises a top second beam body (41), a top second longitudinal rib (42) connected in the top second beam body (41), a top second stirrup (43) connected to the outer side of the top second longitudinal rib (42) and a top second tie bar (45) connected between the top second longitudinal ribs (42); the upper part of the top second stirrup (43) is reserved with a free end which is not more than half of the height of the whole top second stirrup (43), and the free end of the top second stirrup (43) extends into the upper structure to be cast and connected together; the top second longitudinal rib (42) extends into the hidden column body (51);
the lower side in the top first beam body (31) is also connected with a horizontal top first bottom rib, and two ends of the top first bottom rib extend into the shear walls on two sides or the wall embedded columns (5) of the shear walls;
the manufacturing method of the combined shear wall member comprises the following specific steps:
firstly, according to the design requirements of a shear wall and by combining the design requirements of detailed structures at an opening (7) of the shear wall, manufacturing shear wall reinforcing steel bars, embedded column longitudinal reinforcements (52) in a wall embedded column (5), embedded column stirrups (53), embedded column horizontal reinforcements (54) and embedded column tie reinforcements (55), manufacturing reinforcing steel bars of a precast beam and reinforcing steel bars of a semi-precast beam in a double-link beam, and manufacturing a steel connecting piece (6);
step two, manufacturing the hidden column longitudinal ribs (52), the hidden column horizontal ribs (54), the hidden column stirrups (53) and the hidden column tie bars (55) into a hidden column reinforcement cage; manufacturing a double-connecting-beam reinforcement cage, and arranging corresponding connecting-beam tie bars; the stirrups of the wall embedded columns (5) and the double-connected beams are arranged in a connection area or an area with large shearing force in an encrypted manner; assembling the steel connecting piece (6), the hidden column reinforcement cage and the connecting beam reinforcement cage on the bench formwork into a whole, and horizontally placing;
thirdly, manufacturing dies of the shear wall, the top first connecting beam (3) and the top second connecting beam (4); the steel connecting piece (6), the hidden column steel reinforcement cage and the connecting beam steel reinforcement cage supporting side die which are horizontally placed are surrounded on the bench formwork, wherein the lateral formworks of the first connecting beam (3) are respectively positioned at the bottom of the beam, the top of the beam, the front end of the beam and the rear end of the beam, the lateral formworks of the second connecting beam (4) are respectively positioned at the bottom of the beam, the top of the prefabricated part of the semi-prefabricated beam, the front end of the beam and the rear end of the beam, the second stirrups (43) penetrate through the reserved holes of the top side die of the second connecting beam (4), and the lateral formworks of the hidden wall column (5) are positioned at the bottom, the front end, the rear end and the top of the hidden column;
and step four, pouring concrete, and curing to a preset strength to form the assembled double-connecting-beam combined shear wall member.
9. A construction method of an assembled double-connecting-beam combined shear wall structure is characterized in that the assembled double-connecting-beam combined shear wall structure comprises an upper assembled double-connecting-beam combined shear wall component and a lower assembled double-connecting-beam combined shear wall component connected below the upper assembled double-connecting-beam combined shear wall component;
the upper assembly type double-connecting-beam combined shear wall component and the lower assembly type double-connecting-beam combined shear wall component are both assembly type double-connecting-beam combined shear wall components as claimed in claim 1;
the construction method of the assembled double-connecting-beam combined shear wall structure comprises the following specific steps:
step one, positioning: the upper assembly type double-connecting-beam combined shear wall component and the lower assembly type double-connecting-beam combined shear wall component are positioned in place on site, an oblique support component is installed, upper and lower steel connecting pieces (6) are aligned, corresponding height, horizontal position and verticality are adjusted, and the oblique support component is fixed;
step two, fixed connection, wherein the steel connecting pieces (6) are connected into a whole by welding or bolting, and the hidden column longitudinal ribs (52) are lapped or welded;
binding field reinforcing steel bars, binding the field wall hidden column (5) area hidden column longitudinal bars (52), the hidden column horizontal bars (54), the hidden column tie bars (55), the connecting beams and the floor slab reinforcing steel bars according to design requirements, supplementing and binding top second longitudinal bars (42) and/or top second stirrups (43) of top second connecting beams (4), supplementing and binding the horizontal reinforcing steel bars in the horizontal connecting area, and connecting the reinforcing steel bars into a whole;
step four, field formwork erecting: erecting a template for jacking a cast-in-place area of the second connecting beam (4), erecting a template of a horizontal connecting area and erecting a vertical template of a shear wall area;
and fifthly, pouring concrete and curing to a preset strength to form the shear wall structure built by the high-ductility double-connection beams.
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| CN201474109U (en) * | 2009-04-16 | 2010-05-19 | 姚攀峰 | Prefabricated and cast-in-situ mixed dual binding beams |
| KR101305882B1 (en) * | 2012-12-06 | 2013-09-09 | 군산대학교산학협력단 | Coupled shear wall of building |
| WO2014193323A1 (en) * | 2013-05-27 | 2014-12-04 | Süleyman Bahadir Yüksel | Shear and bending reinforcements of coupling beams of coupled shear walls |
| CN203961054U (en) * | 2014-07-03 | 2014-11-26 | 天津大学建筑设计研究院 | A kind of combined connecting structure of fabricated shear wall plate |
| CN104060717B (en) * | 2014-07-03 | 2016-04-27 | 天津大学建筑设计研究院 | A kind of fabricated shear wall structural wall board fractionation-assemble method |
| CN204626706U (en) * | 2015-02-04 | 2015-09-09 | 昆明理工大学 | A kind of reinforced concrete shear wall with power consumption coupling beam |
| CN107447873B (en) * | 2017-09-15 | 2023-09-22 | 华南理工大学建筑设计研究院有限公司 | Device for connecting prefabricated laminated connecting beam and prefabricated shear wall and installation method |
| CN208650313U (en) * | 2018-02-06 | 2019-03-26 | 中国建筑第八工程局有限公司 | A kind of assembled integral reinforced concrete band shearing-resistant member Coupled Shear Wall structure |
| CN209817167U (en) * | 2019-02-25 | 2019-12-20 | 美好建筑装配科技有限公司 | Section steel concrete superimposed shear wall |
| CN214739012U (en) * | 2021-02-22 | 2021-11-16 | 姚攀峰 | Assembled double-connecting-beam combined shear wall component and connecting structure thereof |
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