CN111206699B - Transverse connection structure of assembled stiff concrete shear wall, shear wall and construction method - Google Patents
Transverse connection structure of assembled stiff concrete shear wall, shear wall and construction method Download PDFInfo
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- CN111206699B CN111206699B CN202010325912.1A CN202010325912A CN111206699B CN 111206699 B CN111206699 B CN 111206699B CN 202010325912 A CN202010325912 A CN 202010325912A CN 111206699 B CN111206699 B CN 111206699B
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 149
- 239000010959 steel Substances 0.000 claims abstract description 149
- 238000003466 welding Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000011900 installation process Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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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
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4135—Elements with sockets receiving removal bolt heads
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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
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
- E04B2/68—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities
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Abstract
The invention provides a transverse connection structure of an assembled stiff concrete shear wall, the shear wall and a construction method, wherein the transverse connection structure is used for connecting up and down adjacent stiff concrete shear walls in the transverse direction, the transverse connection structure comprises an upper connection body and a lower connection body, the upper connection body comprises a first embedded steel bar, a first embedded steel plate, a first connection plate, a second connection plate and a first cover plate, the lower connection body comprises a second embedded steel bar, a second embedded steel plate, a third connection plate, a fourth connection plate and a second cover plate, and the first cover plate and the second cover plate are connected and fixed together under the condition that the upper connection body and the lower connection body are fixedly connected, so that the two stiff concrete shear walls are connected and fixed in the transverse direction. The stiff concrete shear wall structure provided by the invention is simple in structure, strong in shearing resistance and reliable in force transmission; the construction method has the advantages of convenient construction operation, low cost and strong universality, and can be widely applied to the fabricated stiff concrete structure.
Description
Technical Field
The invention relates to the field of building structure engineering, in particular to an assembled stiff concrete shear wall, a transverse connecting structure of the assembled stiff concrete shear wall, the assembled stiff concrete shear wall and a construction method.
Background
Since the 21 st century, the assembled house has paid attention to the government of China again because of its characteristics of rapidness, environmental protection, economy, easy quality guarantee and the like. The assembled concrete shear wall structure is popularized and applied in more domestic cities at present, a relatively mature assembled concrete shear wall structure design and construction technical system is formed, and the assembled stiff concrete shear wall structure is less in application. In an assembled stiff concrete shear wall structure system, the connection of nodes is a key, and the connection plays a leading role in the aspects of the economic performance, the overall performance, the energy consumption capacity and the like of the structure.
The research on the connection node of the assembled stiff concrete shear wall at home and abroad is integrated, and the currently proposed connection mode has some defects and shortcomings. The dry connection is widely applied abroad, but the prestressed tendon needs to be stretched in a construction site, so that the requirement on the operation precision is high, the quality is difficult to control, and the dry connection is rarely adopted at home. The assembled stiff concrete shear wall in China mostly adopts 'wet connection', including grouting sleeve connection, slurry anchor lap joint, preformed hole connection and the like, and has the defects of complex construction operation, high construction cost and poor adaptability to components under different stress conditions. Therefore, a horizontal connection form of the assembled stiff concrete shear wall, which is convenient to operate, low in cost and high in universality, is urgently needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a transverse connection structure of an assembled stiff concrete shear wall, the assembled stiff concrete shear wall and a construction method.
The technical scheme of the invention is as follows:
the invention firstly provides a transverse connecting structure of an assembled stiff concrete shear wall, which is used for connecting up and down adjacent stiff concrete shear walls in the transverse direction and comprises an upper connecting body and a lower connecting body, wherein,
the upper connecting body comprises a first embedded steel bar, a first embedded steel plate, a first connecting plate, a second connecting plate and a first cover plate, the first embedded steel plate and the first cover plate are horizontally arranged, the first embedded steel bar is welded and fixed on one side of the first embedded steel plate, the first connecting plate and the second connecting plate are positioned between the first embedded steel plate and the first cover plate, two ends of the first connecting plate and two ends of the second connecting plate are respectively welded on the first embedded steel plate and the first cover plate, and the first embedded steel bar is embedded in the first stiff concrete shear wall;
the lower connecting body comprises a second embedded steel bar, a second embedded steel plate, a third connecting plate, a fourth connecting plate and a second cover plate, the second embedded steel plate and the second cover plate are horizontally arranged, the second embedded steel bar is welded and fixed on one side of the second embedded steel plate, the third connecting plate and the fourth connecting plate are positioned between the second embedded steel plate and the second cover plate, two ends of the third connecting plate and two ends of the fourth connecting plate are respectively welded on the second embedded steel plate and the second cover plate, and the second embedded steel bar is embedded in the second stiff concrete shear wall;
and under the condition that the upper connector and the lower connector are fixedly connected, the first cover plate and the second cover plate are fixedly connected together, so that the upper stiff concrete shear wall and the lower stiff concrete shear wall are fixedly connected in the transverse direction.
As an embodiment, the first connecting plate and the second connecting plate are welded and fixed between the first embedded steel plate and the first cover plate in an inverted-splayed manner, the third connecting plate and the fourth connecting plate are welded and fixed between the second embedded steel plate and the second cover plate in a splayed manner, the first connecting plate and the second connecting plate are symmetrical with respect to the center of the first embedded steel plate and the center of the first cover plate, and the third connecting plate and the fourth connecting plate are symmetrical with respect to the center of the second embedded steel plate and the center of the second cover plate.
In one embodiment, two bolt holes are formed in two ends of the first cover plate and the second cover plate, and four bolts respectively penetrate through the four corresponding bolt holes to fix the first cover plate and the second cover plate in a bolt connection mode.
As an implementation manner, the first embedded steel bars and the second embedded steel bars are U-shaped bars, and three embedded steel bars are respectively arranged on the first embedded steel plate and the second embedded steel plate at equal intervals.
As an embodiment, the upper connection body further has a fifth connection plate, and the lower connection body further has a sixth connection plate, the fifth connection plate is disposed at a central position between the first connection plate and the second connection plate and is vertically welded to the first pre-buried steel plate and the first cover plate, and the sixth connection plate is disposed at a central position between the third connection plate and the fourth connection plate and is vertically welded to the second pre-buried steel plate and the second cover plate.
As an implementation mode, the first pre-buried steel plate, the first connecting plate, the second connecting plate, the fifth connecting plate, the first cover plate, the second pre-buried steel plate, the third connecting plate, the fourth connecting plate, the sixth connecting plate, and the second cover plate are the same in width, and the upper connecting body and the lower connecting body are in mirror symmetry.
The invention also provides an assembled stiff concrete shear wall, which comprises at least a first stiff concrete shear wall, a second stiff concrete shear wall and a plurality of transverse connecting structures, wherein the first embedded steel bars of the transverse connecting structures are embedded in the first stiff concrete shear wall, the second embedded steel bars of the transverse connecting structures are embedded in the second stiff concrete shear wall, and the first stiff concrete shear wall and the second stiff concrete shear wall are connected and fixed in the transverse direction through the transverse connecting structures to form the assembled stiff concrete shear wall.
In one embodiment, the first embedded steel plate and the second embedded steel plate are embedded in the side edges of the first stiff concrete shear wall and the second stiff concrete shear wall respectively, and are attached to the side edges of the first stiff concrete shear wall and the second stiff concrete shear wall.
The invention also provides a construction method of the assembled stiff concrete shear wall, which comprises a manufacturing process and an installation process of the stiff concrete shear wall, wherein,
the manufacturing process of the stiff concrete shear wall comprises the following steps:
welding one end of a first embedded steel bar with one side of a first embedded steel plate, and welding one end of a second embedded steel bar with one side of a second embedded steel plate;
welding one ends of the first connecting plate and the second connecting plate in the shape of an inverted splay to the other side of the first embedded steel plate, and welding one ends of the third connecting plate and the fourth connecting plate in the shape of a splay to the other side of the second embedded steel plate;
welding the first cover plate at the other ends of the first connecting plate and the second connecting plate, welding the second cover plate at the other ends of the third connecting plate and the fourth connecting plate,
embedding first embedded steel bars into the upper stiff concrete shear wall, pouring to form a first stiff concrete shear wall, embedding second embedded steel bars into the lower stiff concrete shear wall, and pouring to form a second stiff concrete shear wall;
the installation process of the stiff concrete shear wall comprises the following steps:
connecting and fixing a first cover plate of the first stiff concrete shear wall above and a second cover plate of the second stiff concrete shear wall below by using bolts;
and sheathing the connecting joint between the two stiff concrete shear walls by using a sleeve, and pouring concrete in the sleeve.
As an embodiment, the manufacturing process of the stiff concrete shear wall further comprises the following steps:
and a fifth connecting plate is vertically welded at the other side of the first embedded steel plate and the central position between the first connecting plate and the second connecting plate, and a sixth connecting plate is vertically welded at the other side of the second embedded steel plate and the central position between the third connecting plate and the fourth connecting plate.
Compared with the prior art, the invention has the beneficial effects that: the stiff concrete shear wall structure provided by the invention is simple in structure, strong in shearing resistance and reliable in force transmission; the construction method has the advantages of convenient construction operation, low cost and strong universality, and can be widely applied to the fabricated stiff concrete structure. Specifically, at least the following practical effects are obtained:
(1) the transverse connection structure is simple in structure and is a prefabricated part, and the stiff concrete shear wall is assembled on site through bolts, so that the construction operation is convenient;
(2) the section size required by the stiff concrete shear wall under the same shear strength is smaller, so that the construction material and the cost are saved;
(3) the transverse connecting structure provides shear-resistant bearing capacity by the connecting plates, so that the transverse connecting structure is high in bearing capacity and reliable in force transmission;
(4) the two connecting plates are oppositely supported between the embedded steel plate and the cover plate and arranged in a splayed manner, so that stable supporting strength and shearing-resistant bearing capacity can be formed;
(5) vertical connecting plates are additionally arranged between the splayed connecting plates, so that the joint connection strength is further improved, the bearing capacity is ensured, and the possibility of connection defects caused by the quality of welding seams is reduced.
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 perspective view of one embodiment of a transverse connection according to the present invention;
FIG. 2 is a front view of one embodiment of a transverse connection according to the present invention;
FIG. 3 is a side view of one embodiment of a transverse attachment structure of the present invention;
fig. 4 is a schematic overall structure diagram of an embodiment of the fabricated stiff concrete shear wall 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 reference numerals in the figures have the meaning:
11. 12-first and second embedded steel bars, 21 and 22-first and second embedded steel plates, 31 and 51-first and second connecting plates, 32 and 52-third and fourth connecting plates, 41 and 42-fifth and sixth connecting plates, 61 and 62-first and second cover plates, 7-bolts, 8 and 9-first and second stiff concrete shear walls; 10-a connection node; and 13, secondary concrete pouring.
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.
It is to be understood that the terms "comprises/comprising," "consisting 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 patent can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, an embodiment of the present invention first provides a transverse connection structure of an assembled stiff concrete shear wall for connecting up and down adjacent stiff concrete shear walls in a transverse direction, the transverse connection structure including an upper connection body and a lower connection body.
The upper connector comprises a first embedded steel bar 11, a first embedded steel plate 21, a first connecting plate 31, a second connecting plate 51 and a first cover plate 61. The upper connecting body is used for connecting the upper part or the first stiff concrete shear wall.
The first embedded steel bars 11 are welded and fixed on one side of the first embedded steel plate, the first embedded steel bars are U-shaped steel bars, the number of the first embedded steel bars is three, and the first embedded steel bars are embedded in the first stiff concrete shear wall 8 and used for being connected with the first stiff concrete shear wall.
The first connecting plate 31 and the second connecting plate 51 are installed between the first embedded steel plate 21 and the first cover plate 61, two ends of the first connecting plate 31 and the second connecting plate 51 are respectively welded and fixed on the first embedded steel plate 21 and the first cover plate 61, and the first connecting plate 31 and the second connecting plate 51 are used for resisting horizontal shearing force.
Similarly, the lower connecting body comprises second embedded steel bars 12, a second embedded steel plate 22, a third connecting plate 32, a fourth connecting plate 52 and a second cover plate 62, the second embedded steel bars are welded and fixed on one side of the second embedded steel plate, the second embedded steel bars are U-shaped bars, three embedded steel bars are arranged on the second embedded steel plate at equal intervals, and the embedded steel bars are embedded in the second stiff concrete shear wall 9 and used for being connected with the second stiff concrete shear wall. And the two ends of the third connecting plate and the fourth connecting plate are respectively welded and fixed on the second embedded steel plate and the second cover plate.
The first cover plate 61 and the second cover plate 62 are fixedly connected together in a state where the upper connection body and the lower connection body are fixedly connected, thereby fixedly connecting the two stiff concrete shear walls in the transverse direction.
As a specific embodiment, referring to fig. 2, the upper connector and the lower connector are disposed opposite to each other, and the lower connector has the same structure as the upper connector and is arranged in mirror symmetry with the upper connector.
One end of a first embedded steel bar 11 is welded on one surface of the first embedded steel plate 21, which is back to the lower connecting body, the first embedded steel plate 21 and the first cover plate 61 are horizontally and parallelly arranged, one end of the first connecting plate 31 and one end of the second connecting plate 51 are welded on one surface of the first embedded steel plate, which faces the lower connecting body, the other end of the first connecting plate and the second connecting plate are welded on the first cover plate, and the first connecting plate and the second connecting plate are symmetrical relative to the centers of the first embedded steel plate and the first cover plate;
one end of the second embedded steel bar 12 is welded to the surface, back to the upper connector, of the second embedded steel plate 22, the second embedded steel plate 22 and the second cover plate 62 are horizontally arranged in parallel, one end of each of the third connecting plate 32 and the fourth connecting plate 52 is welded to the surface, facing the upper connector, of the second embedded steel plate, the other end of each of the third connecting plate and the fourth connecting plate is welded to the second cover plate, and the third connecting plate and the fourth connecting plate are symmetrical relative to the centers of the second embedded steel plate and the second cover plate;
in the state that the upper connector and the lower connector are fixedly connected, the first cover plate 61 and the second cover plate 62 are fixedly connected by the bolts 7, and the first embedded steel plate and the second embedded steel plate are respectively embedded in the side edges of the first stiff concrete shear wall 8 and the second stiff concrete shear wall 9, as shown in fig. 4, so that the two stiff concrete shear walls are fixedly connected in the transverse direction.
According to the invention, the upper and lower prefabricated stiff concrete shear walls are connected by bolts, so that the structure is simple, the shear resistance is strong, and the force transmission is reliable; the construction method has the advantages of convenient construction operation, low cost and strong universality, and can be widely applied to the fabricated stiff concrete structure. The section size required by the stiff concrete shear wall under the same shear strength is smaller, so that the construction material is saved, and the cost is saved.
As a specific embodiment, the first connecting plate 31 and the second connecting plate 51 are respectively inclined at 45 ° to be welded and fixed between the first embedded steel plate and the first cover plate in an inverted-splayed manner, and the third connecting plate 32 and the fourth connecting plate 52 are respectively inclined at 45 ° to be welded and fixed between the second embedded steel plate and the second cover plate in a splayed manner. The connection plates are inclined by 45 degrees and oppositely arranged in a splayed manner, and the two connection plates are oppositely supported between the embedded steel plate and the cover plate, so that stable support strength and shear-resistant bearing capacity can be formed.
As a specific embodiment, referring to fig. 3, two bolt holes are respectively formed at two ends of the first cover plate 61 and the second cover plate 62, and four bolts 7 respectively penetrate through the corresponding four bolt holes to connect and fix the first cover plate and the second cover plate.
As a specific embodiment, the upper connection body further has a fifth connection plate 41, the lower connection body further has a sixth connection plate 42, the fifth connection plate is disposed at a central position between the first connection plate and the second connection plate, and both ends of the fifth connection plate are welded to the first pre-buried steel plate and the first cover plate, respectively, and are perpendicular to the first pre-buried steel plate and the first cover plate, the sixth connection plate is disposed at a central position between the third connection plate and the fourth connection plate, and both ends of the sixth connection plate are welded to the second pre-buried steel plate and the second cover plate, respectively, and are perpendicular to the second pre-buried steel plate and the second cover plate. The fifth connecting plate and the sixth connecting plate are additionally arranged between the left connecting plate and the right connecting plate which are splayed, so that the joint connection strength is further improved, the bearing capacity is ensured, and the possibility of connection defects caused by the quality of welding seams is reduced.
Preferably, in the invention, the widths of the first embedded steel plate, the first connecting plate, the second connecting plate, the fifth connecting plate, the first cover plate, the second embedded steel plate, the third connecting plate, the fourth connecting plate, the sixth connecting plate and the second cover plate are the same, and the upper connecting body and the lower connecting body are in mirror symmetry.
Referring to fig. 4, another embodiment of the present invention provides an assembled stiff concrete shear wall, including at least a first stiff concrete shear wall 8 and a second stiff concrete shear wall 9, and a plurality of transverse connection structures, where first embedded steel bars 11 and second embedded steel bars 12 of the transverse connection structures are respectively embedded in the first stiff concrete shear wall and the second stiff concrete shear wall, and the first stiff concrete shear wall and the second stiff concrete shear wall are connected and fixed in the transverse direction by the transverse connection structures, so as to form the assembled stiff concrete shear wall.
As a specific embodiment, the first embedded steel plate 21 and the second embedded steel plate 22 are respectively embedded in the side edges of the first stiff concrete shear wall 8 and the second stiff concrete shear wall 9, and are attached to the side edges of the first stiff concrete shear wall and the second stiff concrete shear wall, so that reliable installation and connection strength can be ensured and construction convenience can be taken into consideration.
The invention discloses a concrete construction method of an assembled stiff concrete shear wall, which comprises the following steps:
one end of a first embedded steel bar 11 is welded with a first embedded steel plate 21, and one end of a second embedded steel bar 12 is welded with a second embedded steel plate 22; then, the first connecting plate 31 is inclined to 45 degrees, one end of the first connecting plate is welded to the left side of the first embedded steel plate 21, the fifth connecting plate 41 is vertically welded to the middle of the first embedded steel plate 21, the second connecting plate 51 is inclined to 45 degrees, one end of the second connecting plate is welded to the right side of the first embedded steel plate 21, and the first cover plate 61 is respectively welded to the first connecting plate 31, the fifth connecting plate 41 and the second connecting plate 51; adopting the same process, welding one end of the third connecting plate 32 inclined to 45 degrees to the left side of the second embedded steel plate 22, vertically welding the sixth connecting plate 42 in the middle of the second embedded steel plate 22, welding one end of the fourth connecting plate 52 inclined to 45 degrees to the right side of the second embedded steel plate 22, and respectively welding the second cover plate 62 with the third connecting plate 32, the sixth connecting plate 42 and the fourth connecting plate 52; then, embedding the first embedded steel bars 11 at the lower end of the first stiff concrete shear wall 8 to form a prefabricated part, and embedding the second embedded steel bars 12 at the upper end of the second stiff concrete shear wall 9 to form a prefabricated part; then, a first cover plate 61 of the first stiff concrete shear wall 8 and a second cover plate 62 of the second stiff concrete shear wall 9 are fixedly connected through bolts 7; and then sheathing the stiff concrete shear wall connecting node 10 by using a sleeve, pouring concrete into the sleeve to form secondary pouring concrete, and finishing the manufacturing and installation of the whole assembled stiff concrete shear wall.
In conclusion, the stiff concrete shear wall is connected by the bolts, so that the structure is simple, the shearing resistance is high, and the force transmission is reliable; the construction method has the advantages of convenient construction operation, low cost and strong universality, and can be widely applied to the fabricated stiff concrete structure.
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 (8)
1. The transverse connecting structure of the assembled stiff concrete shear wall is used for connecting a first stiff concrete shear wall and a second stiff concrete shear wall which are adjacent up and down in the transverse direction, the transverse connecting structure comprises an upper connecting body and a lower connecting body, wherein,
the upper connecting body comprises a first embedded steel bar, a first embedded steel plate, a first connecting plate, a second connecting plate, a fifth connecting plate and a first cover plate, the first embedded steel plate and the first cover plate are horizontally arranged, the first embedded steel bar is welded and fixed on one side of the first embedded steel plate, the first connecting plate and the second connecting plate are located between the first embedded steel plate and the first cover plate, two ends of the first connecting plate and two ends of the second connecting plate are respectively welded on the first embedded steel plate and the first cover plate, the fifth connecting plate is arranged in the center between the first connecting plate and the second connecting plate and is vertically welded on the first embedded steel plate and the first cover plate, and the first embedded steel bar is embedded in the first stiff concrete shear wall;
the lower connecting body comprises a second embedded steel bar, a second embedded steel plate, a third connecting plate, a fourth connecting plate, a sixth connecting plate and a second cover plate, the second embedded steel plate and the second cover plate are horizontally arranged, the second embedded steel bar is welded and fixed on one side of the second embedded steel plate, the third connecting plate and the fourth connecting plate are positioned between the second embedded steel plate and the second cover plate, two ends of the third connecting plate and two ends of the fourth connecting plate are respectively welded on the second embedded steel plate and the second cover plate, the sixth connecting plate is arranged in the center between the third connecting plate and the fourth connecting plate and is vertically welded on the second embedded steel plate and the second cover plate, and the second embedded steel bar is embedded in the second stiff concrete shear wall;
the first cover plate and the second cover plate are fixedly connected in a state that the upper connector and the lower connector are fixedly connected, the first embedded steel plate is embedded in the side edge of the first stiff concrete shear wall and attached to the side edge of the first stiff concrete shear wall, the second embedded steel plate is embedded in the side edge of the second stiff concrete shear wall and attached to the side edge of the second stiff concrete shear wall, and therefore the first stiff concrete shear wall and the second stiff concrete shear wall which are adjacent up and down are fixedly connected in the transverse direction.
2. The transverse connection structure according to claim 1, wherein the first connection plate and the second connection plate are welded and fixed between the first embedded steel plate and the first cover plate in an inverted splay shape, the third connection plate and the fourth connection plate are welded and fixed between the second embedded steel plate and the second cover plate in a splay shape, the first connection plate and the second connection plate are symmetrical with respect to the center of the first embedded steel plate and the first cover plate, and the third connection plate and the fourth connection plate are symmetrical with respect to the center of the second embedded steel plate and the second cover plate.
3. The transverse connecting structure according to claim 2, wherein two bolt holes are formed at two ends of the first cover plate and the second cover plate, and four bolts respectively penetrate through the corresponding four bolt holes to fix the first cover plate and the second cover plate in a bolt connection manner.
4. The transverse connection structure of claim 1, wherein the first embedded steel bar and the second embedded steel bar are U-shaped bars, and three embedded steel bars are arranged on the first embedded steel plate and the second embedded steel plate at equal intervals respectively.
5. The transverse connection structure according to any one of claims 1 to 4, wherein the first pre-buried steel plate, the first connection plate, the second connection plate, the fifth connection plate, the first cover plate, the second pre-buried steel plate, the third connection plate, the fourth connection plate, the sixth connection plate, and the second cover plate are the same in width, and the upper connection body and the lower connection body are mirror-symmetrical.
6. The assembled stiff concrete shear wall comprises at least a first stiff concrete shear wall and a second stiff concrete shear wall, and a plurality of transverse connection structures according to any one of claims 1 to 5, wherein first embedded steel bars of the transverse connection structures are embedded in the first stiff concrete shear wall, second embedded steel bars of the transverse connection structures are embedded in the second stiff concrete shear wall, and the first stiff concrete shear wall and the second stiff concrete shear wall are connected and fixed in the transverse direction through the transverse connection structures to form the assembled stiff concrete shear wall.
7. The construction method of the fabricated stiff concrete shear wall according to claim 6, comprising a manufacturing process and an installation process of the stiff concrete shear wall, wherein,
the manufacturing process of the stiff concrete shear wall comprises the following steps:
welding one end of a first embedded steel bar with one side of a first embedded steel plate, and welding one end of a second embedded steel bar with one side of a second embedded steel plate;
welding one ends of the first connecting plate and the second connecting plate in the shape of an inverted splay to the other side of the first embedded steel plate, and welding one ends of the third connecting plate and the fourth connecting plate in the shape of a splay to the other side of the second embedded steel plate;
welding the first cover plate at the other ends of the first connecting plate and the second connecting plate, welding the second cover plate at the other ends of the third connecting plate and the fourth connecting plate,
embedding first embedded steel bars into the upper stiff concrete shear wall, pouring to form a first stiff concrete shear wall, embedding second embedded steel bars into the lower stiff concrete shear wall, and pouring to form a second stiff concrete shear wall;
the installation process of the stiff concrete shear wall comprises the following steps:
connecting and fixing a first cover plate of the first stiff concrete shear wall above and a second cover plate of the second stiff concrete shear wall below by using bolts;
and sheathing the connecting joint between the two stiff concrete shear walls by using a sleeve, and pouring concrete in the sleeve.
8. The construction method according to claim 7, wherein the manufacturing process of the stiff concrete shear wall further comprises:
and a fifth connecting plate is vertically welded at the other side of the first embedded steel plate and the central position between the first connecting plate and the second connecting plate, and a sixth connecting plate is vertically welded at the other side of the second embedded steel plate and the central position between the third connecting plate and the fourth connecting plate.
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