CN214739013U

CN214739013U - Self-exhaust bolted shear wall component in construction stage and combined connecting wall structure thereof

Info

Publication number: CN214739013U
Application number: CN202120522826.XU
Authority: CN
Inventors: 姚攀峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-16
Anticipated expiration: 2031-03-12

Abstract

The utility model provides a construction stage is from exhaust bolt shear force wall component and built-up connection wall structure thereof, the wall body includes vertical reinforcing bar, horizontal reinforcement, drawknot muscle and wall body concrete, and the vertical link of wall body has vertical connecting piece, and vertical shear-resistant piece includes the body, and the body is still including hugging closely and fixed connection the end plate on body both ends terminal surface, end plate and body fixed connection, and the fixed connection mode of end plate and body is welding or cast connection. The width that the outward flange of end plate surpassed the body outward flange is not less than 1mm, and it has the bolt hole to open on the end plate, and the reentrant corner position department of the cross section that corresponds the body on the end plate still opens from the exhaust hole. The utility model discloses a from the steel member of taking the exhaust hole, after the outside got into the air at the bottom of the board, go out through the exhaust hole extrusion, be difficult to influence the connection between the end plate, improve the closely knit nature of concreting around it to through the construction method of bolt again of welding earlier, end plate bolt quality easily controls and guarantees, and construction speed is fast.

Description

Self-exhaust bolted shear wall component in construction stage and combined connecting wall structure thereof

Technical Field

The utility model relates to a prefabricated component field, especially a construction stage self-bleeding bolt shear force wall component and built-up connection wall structure thereof.

Background

Building industrialization is the key point of construction and development in recent years, and comprises the steps of vigorously popularizing assembly type buildings, encouraging assembly type construction of building enterprises, building national assembly type building production bases, improving the proportion of assembly type buildings to newly built buildings and the like. In the reinforced precast reinforced concrete shear wall and the structural system in the prior art, the connecting piece is an important factor for realizing the construction safety of the precast concrete structure, the seismic bearing capacity of the joint surface and the seismic ductility. The connecting pieces commonly used at present adopt steel members pre-embedded in a shear wall body and are connected with each other by welding, so that important factors of construction safety, joint surface anti-seismic bearing capacity and anti-seismic ductility of a precast concrete structure can be realized. However, when the steel members are welded, the end plates are plane steel plates, and the connection between the end plates and the compactness of concrete poured around the end plates are easily affected after air enters from the outer sides of the plate bottoms of the end plates; the construction speed of welding connection is slow, and the installation is inconvenient; because the end plate is a plane steel plate, stress concentration exists at the joint of the edge and the concrete, the concrete is easily damaged or cracked locally in the processing process, and finally the defective rate of the prefabricated part is high.

Therefore, how to find a self-exhaust bolting shear wall, which can solve the above problems in prefabrication, and has important significance in building industrialization by improving construction speed and connection quality of connecting piece positions during construction.

Disclosure of Invention

The utility model aims at providing a self-exhaust bolted shear wall component and a combined connecting wall structure thereof in the construction stage, which aims to solve the problem of welding connection of the steel components, and easily influences the connection between end plates and the compactness of concrete poured around the end plates after air enters from the outer side of the plate bottom; the problem that the welding connection construction speed is slow and the installation is inconvenient is solved; the end plate is a plane steel plate, stress concentration exists at the joint of the edge and the concrete, the concrete is easily damaged or cracked in the machining process, and finally the defective rate of the prefabricated part is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a self-exhaust bolted shear wall component in a construction stage comprises a prefabricated reinforced concrete wall body, wherein the wall body comprises vertical reinforcing steel bars, horizontal reinforcing steel bars, tie bars and wall body concrete, a vertical connecting end of the wall body is provided with a vertical connecting piece, the vertical connecting piece comprises a part of the vertical reinforcing steel bars extending out of the edge end face of the wall body and at least one vertical shear resistant piece embedded in the wall body,

the vertical steel bars extend out of one side or the upper side and the lower side of the edge end face of the wall body respectively, the vertical shear resistant part comprises a body, the body is a section steel part or a welding steel part, the two ends of the body extend out of the upper side and the lower side of the edge end face of the wall body respectively, the part of the body embedded in the wall body is wrapped by the vertical steel bars and the horizontal steel bars,

the body also comprises end plates which are clung to and fixedly connected with the end surfaces of the two ends of the body, the end plates are fixedly connected with the body, the fixed connection mode of the end plates and the body is welding or casting connection,

the outward flange of end plate surpasss the outward flange of body, and it has the bolt hole to open on the end plate, it still opens from the exhaust hole to correspond the reentrant corner position department of cross section of body on the end plate.

The end plate is the rectangle, the body includes mutually perpendicular's flange board and web, the bolt hole is located the end plate, it locates to correspond the reentrant corner position that flange board and web formed on the end plate from the exhaust hole.

The center of the part of the body extending out of the wall body is provided with a horizontal hoisting hole.

The surface of the body is fixedly connected with a shear-resistant piece, and the shear-resistant piece is a stud, a steel bar, a steel plate or profile steel which is vertical to the surface of the side wall of the body and is fixedly connected with the surface of the side wall of the body.

The end edge of the body is cut into an arc surface or an inclined surface, and the peripheral edge of the end plate is cut into an arc shape or an inclined surface.

The vertical shear resistant piece of the vertical connecting end of each side is provided with one or more than two at intervals.

The side surfaces of the horizontal single side or the two sides of the wall body are provided with horizontal connecting pieces, each horizontal connecting piece comprises a part of a horizontal reinforcing steel bar extending out of the side end surface of the edge of the wall body, and the part of the horizontal reinforcing steel bar extending out of the wall body is in an annular closed shape or an unsealed open shape.

The utility model provides a built-up connection wall structure, includes two piece at least construction stage self-bleeding bolt shear force wall components, including upper plate body and lower floor's plate body, the upper plate body forms horizontal joining region with the hookup location department of the vertical link of lower floor's plate body, be equipped with horizontal joining region horizontal reinforcement in the horizontal joining region, the bottom face of the end plate of upper plate body and the top face of the end plate of lower floor's plate body are vertically hugged closely in the horizontal joining region, bolt hole between the upper and lower two-layer end plate aligns then through connecting bolt, still through welded connection between the upper and lower two-layer end plate, the tip of upper and lower two-layer vertical reinforcement is fixed connection or overlap joint in the horizontal joining region, pour the material after having pour in the horizontal joining region and make upper plate body and lower floor's plate body connect into whole piece concrete vertical member, the material of post pouring is concrete or grout material.

Compared with the prior art the utility model has the following characteristics and beneficial effect:

the utility model discloses to the density and the construction speed that promote end plate lower part concrete, simplify the construction flow and have certain effect

The utility model discloses a vertical connecting piece adopts the steel member from taking the exhaust hole, and the outside gets into the air back at the bottom of the board, extrudees away through the exhaust hole, is difficult to influence the connection between the end plate, improves the closely knit nature of concreting around it. And moreover, by the construction method of welding first and bolting, the problem of inconvenience in installation due to low welding connection construction speed is solved, the field construction quality and field control are convenient to improve, the end plate bolting quality is easy to control and guarantee, the construction speed is high, the rejection rate is reduced, and the method is green, energy-saving and environment-friendly.

The utility model discloses an end plate has still carried out the destressing centralization, is difficult to make the local destruction of concrete or fracture in the course of working, reduces the prefabricated component defective percentage.

The utility model discloses a built-up connection wall structure adopts the self-supporting precast shear wall of bolt steel connecting piece, has combined the advantage of novel vertical connecting piece of bolt and precast concrete structure, and more ordinary reinforced concrete wallboard anti-seismic performance increases substantially for the house is difficult for collapsing in the earthquake.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic top view of a first embodiment of a vertical shear member according to the present invention.

Fig. 2 is a schematic side view of a first embodiment of the vertical shear member of the present invention.

Fig. 3 is a schematic top view of a second embodiment of the vertical shear block of the present invention.

Fig. 4 is a schematic side view of a second embodiment of the vertical shear member of the present invention.

Fig. 5 is a schematic top view of a third embodiment of the vertical shear block according to the present invention.

Fig. 6 is a schematic side view of a third embodiment of the vertical shear member of the present invention.

Fig. 7 is a side view schematic diagram of a first embodiment of a self-venting bolted shear wall component according to the present invention.

Fig. 8 is a schematic side view of a self-venting bolted shear wall component according to a second embodiment of the present invention.

Fig. 9 is a schematic cross-sectional structure of fig. 7 or 8.

Fig. 10 is a schematic side view of a third embodiment of a self-venting bolted shear wall component according to the present invention.

Fig. 11 is a schematic view of the sectional structure a-a in fig. 10.

Fig. 12 is a schematic view of a sectional structure B-B in fig. 10.

Fig. 13 is another structure diagram of the B-B section in fig. 10.

Fig. 14 is a schematic view of the structure of the connecting wall assembly of the present invention.

Reference numerals: 1-wall body, 11-vertical steel bar, 12-horizontal steel bar, 13-tie bar, 14-wall body concrete, 2-self-exhaust hole, 3-body, 31-flange plate, 32-web plate, 4-end plate, 5-bolt hole, 6-hoisting hole, 7-shear part, 8-peripheral edge, 9-upper plate body, 10-lower plate body, 15-post-pouring material, 16-horizontal connecting area horizontal steel bar and 17-connecting bolt.

Detailed Description

Referring to fig. 7 and 9, the self-exhaust bolting shear wall component in the construction stage comprises a prefabricated reinforced concrete wall body 1, wherein the wall body comprises vertical reinforcing steel bars 11, horizontal reinforcing steel bars 12, tie bars 13 and wall body concrete 14, the vertical connecting end of the wall body 1 is provided with a vertical connecting piece, and the vertical connecting piece comprises a part of the vertical reinforcing steel bars 11 extending out of the edge end face of the wall body and two vertical shear pieces embedded in the wall body. The vertical shear resistant piece of the vertical connecting end of each side is provided with one or more than two at intervals. In this embodiment, two channels are provided at intervals. The vertical shearing resistant members are non-continuous steel members which are respectively arranged at the vertical upper end and the vertical lower end of the wall body 1 and correspond up and down.

In the embodiment, the vertical shear resistant part is made of stainless steel, weathering steel, high-strength steel or common steel; the outer side of the vertical shearing resistant part can be completely or partially provided with an anticorrosive coating which is galvanized, aluminized or anticorrosive paint.

Vertical reinforcing bar 11 stretches out respectively in the upper and lower both sides of 1 marginal terminal surface of wall body, vertical shear-resistant member includes body 3, body 3 is shaped steel spare or welded steel member, and the both ends of body stretch out respectively in the upper and lower both sides of 1 marginal terminal surface of wall body, and the body 3 is pre-buried in the part of wall body by vertical reinforcing bar 11 and horizontal reinforcement 12 parcel.

The body still includes hugs closely and end plate 4 on the 3 both ends terminal surfaces of fixed connection of body,

end plate

4 and 3 fixed connection of body, end plate 4 is connected for welding or casting with the fixed connection mode of body 3.

The width that the outward flange of end plate 4 surpassed the outward flange of body 3 is not less than 1mm, and it has bolt hole 5 to open on the end plate 4, it still opens from exhaust hole 2 to correspond body 3's cross section reentrant corner position department on the end plate.

The flange plates or web plates of the vertical shear pieces are small in section and difficult to butt joint in construction, the upper transverse end plates and the lower transverse end plates are additionally connected through bolts, construction is facilitated, and field welding is reduced. The self-exhaust holes at the corners are additionally arranged at the end plates, so that the concrete is fully exhausted during pouring, and the concrete at the lower parts of the end plates is compacted.

The end plate is the rectangle, body 3 includes mutually perpendicular's flange board 31 and web 32, the bolt hole is located the end plate, be located the reentrant corner position department that corresponds flange board 31 and web 32 formation on the end plate from exhaust hole 2.

The center of the part of the body 3 extending out of the wall body 1 is provided with a horizontal hoisting hole 6. The hoisting hole is exposed out of the self-exhaust bolt shear wall component, and the exposed length is not less than 30 mm. The concrete pouring device has the advantages that the lifting is convenient, the concrete pouring device is used as a concrete flowing hole, and the concrete pouring is convenient.

The surface of the body 3 is fixedly connected with a shear resistant part 7, and the shear resistant part 7 is a stud, a steel bar, a steel plate or section steel which is vertical to the surface of the side wall of the body and is fixedly connected with the side wall.

Referring to fig. 1-2, in the embodiment, the first embodiment of the vertical shear member is an i-shaped steel body, the bolt holes 5 are respectively formed in two sides of the web, and the self-venting holes 2 are respectively formed in four internal corner positions.

Referring to fig. 3-4, the second embodiment of the vertical shear member is different from the first embodiment of the vertical shear member in that the end edge 8 of the body 3 is cut into a curved surface, and may be a bevel surface in other embodiments, and the peripheral edge 8 of the end plate 4 is cut into an arc shape, and may be a bevel surface in other embodiments. The cambered surface or the inclined surface has the function of reducing the stress concentration of the concrete at the end plate and avoiding the local damage of the concrete.

Referring to fig. 5-6, unlike the first embodiment of the vertical shear, the third embodiment of the vertical shear has a channel steel body, and the bolt hole 5 is formed in the front side of the web, and is formed in each of two internal corner positions from the exhaust hole 2.

Referring to fig. 8-9, unlike the previous embodiment, the vertical shear is a continuous steel member extending vertically through the wall 1.

As shown in fig. 10 to 11, the horizontal side surface of the wall body 1 on one side or both sides has horizontal connectors, the horizontal connectors include portions of the horizontal steel bars 12 extending out of the edge side end surfaces of the wall body, as shown in fig. 12, the portions of the horizontal steel bars 12 extending out of the wall body 1 are in an annular closed shape, as shown in fig. 13, and the portions of the horizontal steel bars 12 extending out of the wall body 1 are in an open unclosed shape. The horizontal connecting piece is mutually connected with the horizontal steel bars in the horizontal joint area, and then the horizontal connecting piece, the vertical steel bars and the later poured concrete form a whole.

The utility model discloses a manufacturing method of self-venting bolt shear wall component as follows:

step one, manufacturing a vertical shear part:

firstly, selecting proper section steel and a proper steel plate, then paying off according to a design drawing, then cutting the section steel to form a body, cutting an end plate, and then forming a bolt hole and a self-exhaust hole on the end plate. If necessary, the end plate edge can be cut into an arc or an obtuse angle, if necessary, the vertical connecting piece can also be cut into an arc or an obtuse angle, and finally the end plate is welded on the body. Shear resistant pieces such as studs, transverse steel bars, etc. may be welded if desired. Tensile members may also be welded.

If shaped steel and steel sheet are ordinary steel, can also be under construction the anticorrosive coating at this moment: such as zinc plating, aluminum plating or brushing with an anticorrosive paint.

Step two, manufacturing a self-exhaust bolting shear wall:

firstly, manufacturing a reinforcing mesh and a tie bar, manufacturing a mould and erecting the mould, laying the reinforcing mesh on one side of the self-exhaust bolted shear wall, arranging a vertical shear-resistant part, then laying the reinforcing mesh on the other side of the self-exhaust bolted shear wall, arranging the tie bar, then pouring concrete, and curing the concrete to a preset strength.

And step three, transporting the manufactured wall body to a field for installation.

Referring to fig. 14, a combined connecting wall structure comprises two self-exhaust bolted shear wall components in the construction stage, and comprises an upper plate body 9 and a lower plate body 10, wherein a horizontal connecting area is formed at the connecting position of the vertical connecting ends of the upper plate body and the lower plate body, horizontal connecting area horizontal steel bars 16 are arranged in the horizontal connecting area, the bottom end surface of an end plate 4 of the upper plate body is vertically attached to the top end surface of an end plate 4 of the lower plate body in the horizontal connecting area, bolt holes between the upper layer of end plate and the lower layer of end plate are aligned and then bolted through connecting bolts 17, the upper layer of end plate and the lower layer of end plate are also connected through welding, the ends of the vertical steel bars 11 of the upper layer and the lower layer of end plate are fixedly connected or lapped in the horizontal connecting area, a post-casting material 15 is poured in the horizontal connecting area to connect the upper plate body 9 and the lower plate body 10 into a whole concrete vertical piece, and the post-casting material 15 is concrete or grouting material, together forming a vertical monolithic concrete wall or column.

The built-up connection wall structure can also be opened has the hole of pouring of vertical concrete or grout material, link up from the top to the bottom, is convenient for promote the concrete quality for horizontal cross section concrete is closely knit.

During construction and connection, after the height, the verticality and the horizontal position of the combined connecting wall structure are adjusted, the upper end plate and the lower end plate are welded and then butted and bolted. Bolt welding combines, promotes anti shear capacity. The horizontal connecting area can be made of post-poured steel rib reinforced concrete, the steel ribs are vertically continuous and are wrapped by the vertical steel bars and the transverse steel bars in the node area. The steel skeleton is provided with a stud. The horizontal direction can also have a horizontal direction steel rib, and the horizontal direction steel rib is as follows: steel plates, formed steels, welded steel members, and the like.

Claims

1. The utility model provides a construction stage is from exhaust bolt shear force wall component, includes prefabricated reinforced concrete's wall body (1), its characterized in that: the wall body comprises vertical steel bars (11), horizontal steel bars (12), tie bars (13) and wall body concrete (14), the vertical connecting end of the wall body (1) is provided with a vertical connecting piece, the vertical connecting piece comprises a part of the vertical steel bars (11) extending out of the edge end face of the wall body and at least one vertical shear-resistant piece pre-buried in the wall body,

the vertical steel bars (11) extend out of one side or the upper and lower sides of the edge end face of the wall body (1) respectively, the vertical shear-resistant part comprises a body (3), the body (3) is a section steel part or a welding steel part, the two ends of the body extend out of the upper and lower sides of the edge end face of the wall body (1) respectively, the part of the body (3) pre-embedded in the wall body is wrapped by the vertical steel bars (11) and the horizontal steel bars (12),

the body also comprises end plates (4) which are tightly attached and fixedly connected with the end faces of the two ends of the body (3), the end plates (4) are fixedly connected with the body (3), the fixed connection mode of the end plates (4) and the body (3) is welding or casting connection,

the outward flange of end plate (4) surpasss the outward flange of body (3), and it has bolt hole (5) to open on end plate (4), the reentrant corner position department of the cross section that corresponds body (3) on the end plate still opens from exhaust hole (2).

2. The construction stage self venting bolting shear wall component according to claim 1, wherein: the end plate is the rectangle, body (3) are including mutually perpendicular's flange board (31) and web (32), the bolt hole is located the end plate, be located the reentrant corner position department that corresponds flange board (31) and web (32) formation on the end plate from exhaust hole (2).

3. The construction stage self venting bolting shear wall component according to claim 1, wherein: the center of the part of the body (3) extending out of the wall body (1) is provided with a horizontal hoisting hole (6).

4. The construction stage self venting bolting shear wall component according to claim 1, wherein: the surface of the body (3) is fixedly connected with a shear resistant part (7), and the shear resistant part (7) is a stud, a steel bar, a steel plate or section steel which is vertical to the surface of the side wall of the body and is fixedly connected with the surface of the side wall.

5. The stage of construction self-venting bolted shear wall component of any one of claims 1-4, characterized in that: the end edge (8) of the body (3) is cut into an arc surface or an inclined surface, and the peripheral edge (8) of the end plate (4) is cut into an arc shape or an inclined surface.

6. The stage of construction self-venting bolted shear wall component of any one of claims 1-4, characterized in that: the vertical shear resistant piece of the vertical connecting end of each side is provided with one or more than two at intervals.

7. The stage of construction self-venting bolted shear wall component of any one of claims 1-4, characterized in that: the horizontal connecting piece is arranged on the side face of one side or two sides of the horizontal wall body (1), the horizontal connecting piece comprises a part of a horizontal reinforcing steel bar (12) extending out of the side end face of the edge of the wall body, and the part of the horizontal reinforcing steel bar (12) extending out of the wall body (1) is in an annular closed shape or an unsealed open shape.

8. The utility model provides a built-up connection wall structure which characterized in that: the self-exhaust bolted shear wall component comprises at least two pieces of self-exhaust bolted shear wall components in the construction stage, wherein the self-exhaust bolted shear wall component comprises an upper plate body (9) and a lower plate body (10), a horizontal connection area is formed at the connection position of the vertical connection ends of the upper plate body and the lower plate body, horizontal steel bars (16) of the horizontal connection area are arranged in the horizontal connection area, the bottom end surface of an end plate (4) of the upper plate body is vertically attached to the top end surface of the end plate (4) of the lower plate body in the horizontal connection area, bolt holes between the upper and lower end plates are aligned and then bolted through connecting bolts (17), the upper and lower end plates are also connected through welding, the ends of the vertical steel bars (11) of the upper and lower layers are fixedly connected or lapped in the horizontal connection area, and post-pouring materials (15) are poured in the horizontal connection area to connect the upper plate body (9) and the lower plate body (10) into a whole concrete vertical piece, the post-pouring material (15) is concrete or grouting material.