CN216740349U

CN216740349U - Primary and secondary prefabricated wallboard structure

Info

Publication number: CN216740349U
Application number: CN202123374679.5U
Authority: CN
Inventors: 姚攀峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-14
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a primary and secondary prefabricated wall plate structure which is characterized by comprising a concrete plate, a first reinforcing mesh and a second reinforcing mesh which are connected in the concrete plate, a staggered connecting piece connected between the first reinforcing mesh and the second reinforcing mesh and steel connecting pieces connected to the upper end and the lower end of the concrete plate. The joint of the first reinforcing mesh and the second reinforcing mesh in the concrete slab is connected in parallel in a staggered manner; the first reinforcing mesh and the second reinforcing mesh are arranged in a layered mode, and tie bars are connected between layers. The utility model forms the primary-secondary connection mode through the dislocation connection, does not need to adjust the position of the steel bar on site, and is convenient for construction; the primary and secondary connection mode of the steel connecting pieces is adopted, so that the effective connection of the adjacent prefabricated wall boards is facilitated, and the integrity of the structure is ensured; through the setting of locating plate, do benefit to and connect the dislocation reinforcing bar of primary and secondary junction and strengthen the junction intensity, and then do benefit to and improve wall body bulk strength.

Description

Primary and secondary prefabricated wallboard structure

Technical Field

The utility model belongs to the technical field of building structures, and particularly relates to a primary and secondary prefabricated wall plate structure.

Background

The mainstream structure of the present building industrialization is a shear wall structure system, wherein a wall body is a precast concrete wallboard, and the upper part and the lower part of the shear wall structure system are connected by a grouting sleeve. The preparation of prefabricated wall body is produced at prefabricated factory more, but adopts when producing prefabricated wallboard with the same type bulk production in batches more, and the reinforcing bar is unfavorable for ligature overlap joint one by one when this has just caused adjacent prefabricated plate to connect. Convenient concatenation is connected also to the important component part in assembled building structure and the construction when prefabricated wallboard installation from this, needs carry out the pertinence design.

SUMMERY OF THE UTILITY MODEL

The utility model provides a primary and secondary prefabricated wallboard structure, which is used for solving the technical problems of convenient butt joint, easy batch design, connection integrity and the like of reinforcing steel bars in a prefabricated wallboard.

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

a primary and secondary prefabricated wall panel structure is characterized by comprising a concrete slab, a first reinforcing mesh sheet and a second reinforcing mesh sheet which are connected in the concrete slab, a staggered connecting piece connected between the first reinforcing mesh sheet and the second reinforcing mesh sheet and steel connecting pieces connected to the upper end and the lower end of the concrete slab;

the joints of the first reinforcing mesh and the second reinforcing mesh in the concrete slab are connected in a parallel staggered manner; the first reinforcing mesh and the second reinforcing mesh are arranged in a layered mode, and tie bars are connected between layers.

Furthermore, the first reinforcing mesh comprises first longitudinal ribs arranged at intervals and upper horizontal ribs vertically connected to the first longitudinal ribs, and the first longitudinal ribs and the upper horizontal ribs are arranged in a grid manner; the first longitudinal rib extends out of the top of the concrete slab, and the extending length of the free end of the first longitudinal rib corresponds to the staggered connection design length of the adjacent concrete slabs to be connected.

Further, the second reinforcing bar net piece contains the vertical muscle of second that the interval set up and connects in the horizontal muscle of the second of the vertical muscle of second perpendicularly, the vertical muscle of second and the horizontal muscle of second are the net and arrange, and the vertical muscle of second stretches out the concrete slab bottom, and the first vertical muscle free end stretches out length and corresponds adjacent concrete slab dislocation connection design length of waiting to connect.

Furthermore, a first reinforcing mesh and a second reinforcing mesh in the concrete slab are integrally connected, the joint is obliquely arranged, and the first longitudinal rib and the second longitudinal rib at the staggered oblique joint are arranged in full length.

Furthermore, a dislocation connecting piece is connected between the first longitudinal rib and the second longitudinal rib, the dislocation connecting piece is a steel bar or a rod piece, and the steel bar or the rod piece is obliquely arranged; the diameter and the strength of the dislocation connecting piece are both larger than those of the first longitudinal rib and the second longitudinal rib.

Furthermore, the second longitudinal ribs and the first longitudinal ribs are respectively in lap joint corresponding to the second horizontal ribs and the first horizontal ribs; the lap joint part is also connected with a positioning plate and/or a reinforcing rib, and the width of the positioning plate is adapted to the width of the parallel dislocation of the second longitudinal rib and the first longitudinal rib; the length of the reinforcing rib is suitable for the lap joint length of the second longitudinal rib and the first longitudinal rib.

Further, the steel connecting pieces are H-shaped pieces, straight plate-shaped pieces, I-shaped pieces or angle-shaped pieces, and at least one steel connecting piece is provided with a transverse end plate; the steel connecting pieces are fixedly connected corresponding to the steel connecting pieces in the adjacent concrete slabs.

Further, the steel connecting piece is an H-shaped piece, a straight plate-shaped piece, an I-shaped piece or an angle-shaped piece, and comprises a sub steel connecting piece and a mother steel connecting piece, wherein the sub steel connecting piece and the mother steel connecting piece are respectively arranged at one end of each concrete slab and respectively correspond to the mother steel connecting piece and the sub steel connecting piece at the end part of the adjacent concrete slab.

Furthermore, the prefabricated wall plate is connected with another prefabricated wall plate, a prefabricated beam body, a cast-in-place wall plate or a cast-in-place beam body to form a frame structure.

Further, the frame structure comprises a shear wall structure, a frame shear wall structure and a frame shear wall cylinder structure; the prefabricated wallboard junction still corresponds and is provided with the grout exhaust hole.

The utility model has the beneficial effects that:

1) according to the utility model, the primary-secondary connection mode is formed by the staggered connection of the prefabricated wall plate reinforcing steel bars, the position of the reinforcing steel bars does not need to be adjusted on site, the construction is convenient, the reinforcing steel bars are prevented from being damaged due to manual bending of the vertical reinforcing steel bars, the construction speed is accelerated, and the labor is reduced.

2) The steel connecting pieces are arranged in a primary-secondary connection mode, so that the effective connection of the adjacent prefabricated wall boards is facilitated, and the integrity of the structure is ensured;

3) according to the utility model, through the arrangement of the positioning plate, the staggered reinforcing steel bars at the primary and secondary joints are favorably connected, the strength of the joints is enhanced, and the integral strength of the wall body is favorably improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model; the primary objects and other advantages of the utility model may be realized and attained by the instrumentalities particularly pointed out in the specification.

Drawings

FIG. 1 is a schematic view of a composite prefabricated wall panel;

FIG. 2 is a schematic view of the connection of the reinforcing mesh sheets in the primary and secondary prefabricated wall panel structure;

FIG. 3 is a schematic view of the connection between the steel bars and the steel connectors in the primary and secondary prefabricated wall panel structures;

FIG. 4 is a schematic view of a positioning plate and its connection structure;

FIG. 5 is a schematic cross-sectional view of a primary-secondary prefabricated wall panel structure;

fig. 6 is a schematic cross-sectional view of a composite prefabricated wall panel structure.

Reference numerals: 1-concrete slab, 2-first reinforcing mesh, 21-first longitudinal rib, 22-first horizontal rib, 3-second reinforcing mesh, 31-second longitudinal rib, 32-second horizontal rib, 4-staggered connecting piece, 5-steel connecting piece, 51-subsidiary steel connecting piece, 52-mother steel connecting piece and 6-positioning plate.

Detailed Description

Taking the construction of a certain fabricated building as an example, the building is constructed by adopting a prefabricated shear wall. The prefabricated shear wall is connected in a primary-secondary mode. As shown in fig. 1 to 6, the composite prefabricated wall panel structure includes a concrete slab 1, first and

second net sheets

2 and 3 connected to the concrete slab 1, offset connectors 4 connected between the first and

second net sheets

2 and 3, and steel connectors 5 connected to upper and lower ends of the concrete slab 1.

In this embodiment, the joints of the first steel mesh sheet 2 and the second steel mesh sheet 3 in the concrete slab 1 are connected in a parallel staggered manner, and the steel dislocation is not greater than 150mm and not less than 2 mm. The first reinforcing mesh piece 2 and the second reinforcing mesh are arranged in a layered mode, and tie bars are connected between layers. The first reinforcing mesh 2 comprises first longitudinal ribs 21 arranged at intervals and upper horizontal ribs vertically connected to the first longitudinal ribs 21, and the first longitudinal ribs 21 and the upper horizontal ribs are arranged in a grid manner; the first longitudinal rib 21 extends out of the top of the concrete slab 1, and the extending length of the free end of the first longitudinal rib 21 corresponds to the design length of the staggered connection of the adjacent concrete slabs 1 to be connected. The second reinforcing mesh 3 comprises a second longitudinal rib 31 and a second horizontal rib 32, the second longitudinal rib 31 and the second horizontal rib 32 are arranged at intervals and are perpendicularly connected to the second longitudinal rib 31, the second longitudinal rib 31 and the second horizontal rib 32 are arranged in a grid mode, the second longitudinal rib 31 extends out of the bottom of the concrete slab 1, and the extending length of the free end of the first longitudinal rib 21 corresponds to the design length of adjacent staggered connection of the concrete slab 1 to be connected.

In this embodiment, the horizontal reinforcing bars in the concrete slab 1 can also extend out of the concrete slab 1 and then be connected with other wall panels or structures. The horizontal steel bars extend out of the outer side of the wallboard. The prefabricated wall plate is also connected with another prefabricated wall plate, a prefabricated beam body, a cast-in-place wall plate or a cast-in-place beam body to form a frame structure. The frame structure comprises a shear wall structure, a frame shear wall structure and a frame shear wall cylinder structure; the prefabricated wallboard junction still corresponds and is provided with the grout exhaust hole. The concrete wall panel may have one or more concrete pour holes extending through the entire prefabricated wall panel between the vertical steel connectors 5. The method is used for improving the speed of concrete pouring, and is beneficial to compaction of concrete due to pressure pouring. And special energy dissipation components can be added, and the energy dissipation components comprise energy dissipation steel beams, double beams, restrained steel plate shear walls and buckling restrained braces.

In this embodiment, the first reinforcing mesh 2 and the second reinforcing mesh 3 are integrally connected in the concrete slab 1, the joint is obliquely arranged, and the first longitudinal rib 21 and the second longitudinal rib 31 at the staggered oblique joint are arranged throughout.

In addition, a dislocation connecting piece 4 is connected between the first longitudinal bar 21 and the second longitudinal bar 31, the dislocation connecting piece 4 is a steel bar or a rod piece, and the steel bar or the rod piece is obliquely arranged; the diameter and the strength of the dislocation connecting piece 4 are both larger than the first longitudinal rib 21 and the second longitudinal rib 31. The second longitudinal rib 31 and the first longitudinal rib 21 are respectively lapped corresponding to the second horizontal rib 32 and the first horizontal rib 22; the lap joint is also connected with a positioning plate 6 and/or a reinforcing rib, and the width of the positioning plate 6 is adapted to the width of the parallel dislocation of the second longitudinal rib 31 and the first longitudinal rib 21; the length of the reinforcing rib is adapted to the overlapping length of the second longitudinal rib 31 and the first longitudinal rib 21.

In this embodiment, the steel connecting members 5 are H-shaped members, straight plate-shaped members, i-shaped members, or angle-shaped members, and at least one of the steel connecting members 5 has a transverse end plate; the steel connecting pieces 5 are fixedly connected corresponding to the steel connecting pieces 5 in the adjacent concrete slabs 1. Or the steel connecting piece 5 is an H-shaped steel piece, a straight plate-shaped piece, an I-shaped piece or an angle-shaped piece, the steel connecting piece 5 comprises a subsidiary steel connecting piece 51 and a mother steel connecting piece 52, and the subsidiary steel connecting piece 51 and the mother steel connecting piece 52 are respectively arranged at one end of the concrete slab 1 and respectively correspond to the mother steel connecting piece 52 and the subsidiary steel connecting piece 51 at the end part of the adjacent concrete slab 1.

When manufacturing, firstly manufacturing a steel bar mesh, a tie bar and a steel connecting piece 5, wherein the longitudinal steel bars are staggered at the two sides according to the design requirement; manufacturing a mould and supporting a side mould, laying a reinforcing mesh sheet on one side of the precast concrete wall, arranging a novel precast concrete member steel connecting piece 5, and laying a reinforcing mesh sheet on the other side of the precast concrete wall; arranging tie bars, pouring concrete, maintaining the concrete to a preset strength, and taking out the self-supporting prefabricated reinforced concrete wallboard. The vertical steel connecting piece 5 of corresponding connection is through welding or bolt or riveting fixed, and the vertical reinforcing bar of prefabricated wall passes through overlap joint fixed connection, and in this embodiment, there is the concrete monitoring hole of one or more bottoms, and the end opening of monitoring hole is located prefabricated wallboard bottom, and the upper shed is higher than prefabricated wallboard bottom 10 ~ 1500, and the aperture is not less than 10 mm. When the concrete is poured, the exhaust is convenient, the fluidity and the compactness of the concrete are ensured, and the pouring quality of the concrete is improved. After concrete is poured, whether horizontal concrete pouring is compact or not can be accurately judged according to cast-in-place concrete flowing out of the upper opening of the monitoring hole.

During site construction, concrete is poured: and erecting a template at the joint of the prefabricated wall and/or the concealed column area, pouring and vibrating concrete or grouting material, maintaining, and removing the template after the structure reaches a certain strength, thereby forming the integral structure.

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

1. A primary and secondary prefabricated wall plate structure is characterized by comprising a concrete plate (1), a first reinforcing mesh (2) and a second reinforcing mesh (3) which are connected in the concrete plate (1), a staggered connecting piece (4) connected between the first reinforcing mesh (2) and the second reinforcing mesh (3) and steel connecting pieces (5) connected to the upper end and the lower end of the concrete plate (1);

the joint of the first reinforcing mesh (2) and the second reinforcing mesh (3) in the concrete slab (1) is connected in a parallel staggered manner; the first reinforcing mesh (2) and the second reinforcing mesh are arranged in a layered mode, and tie bars are connected between layers.

2. A prefabricated wall panel structure of a mother and son as claimed in claim 1, wherein said first mesh of reinforcing bars (2) comprises first longitudinal bars (21) arranged at intervals and upper horizontal bars vertically connected to the first longitudinal bars (21), said first longitudinal bars (21) and upper horizontal bars being arranged in a grid; the first longitudinal rib (21) extends out of the top of the concrete slab (1), and the extending length of the free end of the first longitudinal rib (21) corresponds to the staggered connection design length of the adjacent concrete slabs (1) to be connected.

3. A prefabricated mother-son wall panel structure according to claim 2, wherein the second reinforcing mesh (3) comprises second longitudinal ribs (31) arranged at intervals and second horizontal ribs (32) vertically connected to the second longitudinal ribs (31), the second longitudinal ribs (31) and the second horizontal ribs (32) are arranged in a grid, the second longitudinal ribs (31) extend out of the bottom of the concrete slab (1), and the free ends of the first longitudinal ribs (21) extend out to a length corresponding to the designed staggered connection length of the adjacent concrete slabs (1) to be connected.

4. A prefabricated mother-son wall panel structure according to claim 3, wherein the first reinforcing mesh (2) and the second reinforcing mesh (3) in the concrete slab (1) are integrally connected, the joints are obliquely arranged, and the first longitudinal ribs (21) and the second longitudinal ribs (31) at the staggered oblique joints are arranged in a full length mode.

5. A prefabricated wallboard structure according to claim 3, wherein a dislocation connecting piece (4) is connected between the first longitudinal rib (21) and the second longitudinal rib (31), the dislocation connecting piece (4) is a steel bar or a rod piece, and the steel bar or the rod piece is obliquely arranged; the diameter and the strength of the dislocation connecting piece (4) are both larger than those of the first longitudinal rib (21) and the second longitudinal rib (31).

6. A prefabricated wall panel structure of the mother and son type according to claim 5, characterized in that said second longitudinal ribs (31) and said first longitudinal ribs (21) are overlapped with corresponding second horizontal ribs (32) and first horizontal ribs (22), respectively; the lap joint part is also connected with a positioning plate (6) and/or a reinforcing rib, and the width of the positioning plate (6) is adapted to the width of the parallel dislocation of the second longitudinal rib (31) and the first longitudinal rib (21); the length of the reinforcing rib is suitable for the overlapping length of the second longitudinal rib (31) and the first longitudinal rib (21).

7. A prefabricated wall panel structure of the parent type according to claim 1, characterized in that said steel connectors (5) are H-shaped, straight, i-shaped or angular, at least one steel connector (5) having transverse end plates; the steel connecting pieces (5) are fixedly connected with the steel connecting pieces (5) in the adjacent concrete slabs (1) correspondingly.

8. A prefabricated wall panel structure according to claim 1, wherein said steel connectors (5) are H-shaped, straight, i-shaped or angle-shaped, said steel connectors (5) comprising male (51) and female (52) steel connectors, said male (51) and female (52) steel connectors being respectively arranged at one end of a concrete slab (1) and corresponding to the female (52) and male (51) steel connectors, respectively, at the end of an adjacent concrete slab (1).

9. A prefabricated wall panel structure as claimed in claim 1, wherein the prefabricated wall panel is further connected to another prefabricated wall panel, a prefabricated beam body, a cast-in-place wall panel or a cast-in-place beam body to form a frame structure.

10. A prefabricated wall panel structure of the primary and secondary type as claimed in claim 9, wherein the frame structure comprises a shear wall structure, a frame shear wall structure and a frame shear wall cylinder structure; the prefabricated wallboard junction still corresponds and is provided with the grout exhaust hole.