CN213296829U

CN213296829U - Reinforced concrete superimposed sheet with ribs not protruding from four sides

Info

Publication number: CN213296829U
Application number: CN202021999072.9U
Authority: CN
Inventors: 刘勇刚; 邓迈; 张强波
Original assignee: Sichuan Huagou Prefabricated Architectural Design Research Co ltd
Current assignee: Sichuan Huagou Prefabricated Architectural Design Research Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-28
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a reinforced concrete composite slab with no ribs on four sides, which comprises a slab body and built-in steel bars, wherein the edge of the end surface of the slab body is sunken to form a thin-wall section; the thin-wall section is provided with a reinforcing steel bar penetrating hole compared with the concave surface of the end surface of the plate body, and the reinforcing steel bar penetrating hole is close to the side surface of the plate body; the built-in reinforcing steel bar penetrates out of the reinforcing steel bar penetrating hole, and the built-in reinforcing steel bar penetrating-out part is bent towards the other end of the built-in reinforcing steel bar along the configuration direction of the built-in reinforcing steel bar. Through the structural design to in superimposed sheet, provide a four sides can not go out muscle reinforced concrete superimposed sheet, solve the production efficiency that current superimposed sheet side goes out the muscle and leads to low, the inconvenient scheduling problem of transportation, and buckle through with built-in reinforcing bar end part, make things convenient for the inter-plate to fix, improve the efficiency of building.

Description

Reinforced concrete superimposed sheet with ribs not protruding from four sides

Technical Field

The utility model relates to the field of building components, in particular to a reinforced concrete composite slab with no ribs on four sides.

Background

At present, the common method for the reinforced concrete laminated slab precast slab in engineering is to adopt a method of forming ribs on four sides and arranging post-cast strip joints between slabs on site. However, the method of forming ribs on the side surfaces of the laminated slab has the following disadvantages: the production of the die is difficult, and the production is labor-consuming and time-consuming; when products are stacked, the steel bars are easy to bend, and the product quality is reduced; the steel bar is discharged, so that the transportation size is large, and the transportation efficiency is reduced; and a formwork is required to be erected at the abutted seam during field installation, so that the installation is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is solved current reinforced concrete superimposed sheet side and is gone out the production efficiency that the muscle leads to and hang down, transports inconvenient scheduling problem, provides four sides and can not go out muscle reinforced concrete superimposed sheet.

The utility model discloses a following technical scheme realizes:

a reinforced concrete composite slab without ribs on four sides comprises a slab body and built-in steel bars, wherein the edge of the end surface of the slab body is sunken to form a thin-wall section; the thin-wall section is provided with a reinforcing steel bar through hole compared with the concave surface of the end surface of the plate body, and the reinforcing steel bar through hole is positioned at the edge of the concave surface close to the side surface; the built-in reinforcing steel bar penetrates out of the reinforcing steel bar penetrating hole, and the built-in reinforcing steel bar penetrating-out part is bent towards the other end of the built-in reinforcing steel bar along the configuration direction of the built-in reinforcing steel bar.

In the prior art, the laminated slab usually adopts a structure with ribs extending from four sides, and in the connection process of the slab and the slab or the slab and the beam, the steel bars on four sides of the laminated slab are connected with the steel bars on the adjacent slab or the beam, so that the stability and the integrity of the installation and the connection of the laminated slab are ensured. Therefore, the requirement on the quality of the steel bars is high, the steel bars are bent due to the fact that the steel bars are arranged on the four sides in the transportation process, the strength of the steel bars is affected, and in the installation process, the steel bars on the four sides of the laminated slab and the steel bars on the adjacent slabs or beams are interfered with each other to affect the installation speed.

According to the scheme, the side faces of the two laminated plates are directly connected by splicing the reinforced concrete laminated plates, the connecting steel bars are arranged on the thin-wall sections of the two laminated plates and are bound with the bending parts of the built-in steel bars, the plates are fixed, and the thin-wall sections are poured to form the integral floor slab. The ribs cannot be arranged on four sides of the laminated slab, the end face of the part, close to the side face, of the plate body is thinned to form a thin-wall section, and the reinforcing steel bar penetrating hole is formed in the thin-wall section, so that the problem that the ribs are arranged on the side face of the laminated slab is solved, the transportation of the laminated slab is facilitated, the ribs cannot be arranged on the four sides, the laminated slab cannot interfere with the reinforcing steel bars on adjacent plates or beams, and the installation speed is improved.

As a further technical scheme of the utility model, reinforced concrete superimposed sheet still includes the truss reinforcing bar, and the truss reinforcing bar is used for reinforcing plate body intensity.

As a further technical scheme of the utility model, the reinforced concrete superimposed sheet is two side thinnings, and thin wall section all forms the difference in height with two terminal surfaces of plate body.

Preferably, the thin-walled segment width a satisfies: 1/6L is not less than A is not less than 1/4L, L is the width of the plate body.

Preferably, the thin-wall section thickness B satisfies: 1/2H is not less than B is not more than 2/3H, and H is the thickness of the plate body.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the reinforced concrete composite slab with no ribs on four sides of the utility model is convenient for binding additional connecting steel bars and fixing between plates by bending the end parts of the built-in steel bars;

2. the utility model relates to a rib reinforced concrete superimposed sheet can not go out in four sides, rib can not go out in four sides of superimposed sheet, makes things convenient for the transportation of plate, guarantees the quality of product.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments 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. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic structural view of the laminated slab of the present invention during connection;

FIG. 4 is a schematic structural view of example 2;

FIG. 5 is a schematic structural view of example 3;

fig. 6 is a schematic size diagram of the present invention.

Reference numbers and corresponding part names in the drawings:

1-plate body, 2-built-in steel bar, 3-thin wall section, 4-steel bar through hole, 5-truss steel bar and 6-connecting steel bar.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1:

as shown in fig. 1 to 3, the reinforced concrete composite slab without ribs on four sides comprises a slab body 1 and built-in steel bars 2, wherein the edge of the end surface of the slab body 2 is sunken to form a thin-wall section 3; compared with the concave surface of the end surface of the plate body, the thin-wall section 3 is provided with a steel bar through hole 4, and the steel bar through hole 4 is close to the side surface of the plate body; the built-in reinforcing steel bar 2 penetrates out from the reinforcing steel bar penetrating hole 4, and the penetrating part of the built-in reinforcing steel bar 2 is bent towards the other end of the built-in reinforcing steel bar along the configuration direction of the built-in reinforcing steel bar.

As shown in fig. 3, in the scheme, the splicing of the reinforced concrete composite slab directly connects the side faces of the two composite slabs, the thin-wall sections 3 of the two composite slabs are provided with the connecting steel bars 6, the connecting steel bars 6 are bound with the bending parts of the built-in steel bars 2, the fixation of the slabs and the slabs is realized, and the thin-wall sections 3 are poured to form the integral floor slab. The ribs cannot be arranged on four sides of the laminated slab, the thin-wall section 3 is formed by thinning part of the end face of the position, close to the side face, of the slab body, and the reinforcing steel bar penetrating holes 4 are formed in the thin-wall section 3, so that the problem that ribs are arranged on the side face of the laminated slab is solved, the transportation of the laminated slab is facilitated, the laminated slab cannot interfere with reinforcing steel bars on adjacent slabs or beams due to the fact that the ribs cannot be arranged on the four sides, and the installation speed is improved.

Example 2:

as shown in fig. 4, the present embodiment is further defined on the basis of embodiment 1:

the inside truss reinforcing bar that sets up of superimposed sheet increases plate body intensity, guarantees the quality of board through the setting of truss reinforcing bar.

Example 3:

as shown in fig. 5, the present embodiment is further defined on the basis of embodiment 1:

the laminated slab is thinned at two sides, and the height difference is formed between the thin-wall section 3 and two end faces of the plate body 1.

The utility model discloses four sides can not go out reinforced concrete superimposed sheet, 3 width A of thin wall section satisfy: 1/6L is not less than A is not less than 1/4L, L is the width of the plate body.

The utility model discloses four sides can not go out reinforced concrete superimposed sheet, 3 thickness B of thin wall section satisfy: 1/2H is not less than B is not more than 2/3H, and H is the thickness of the plate body.

The purpose, technical solution and advantages of the present invention have been described in further detail, and it should be understood that the above description is only for the specific embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A reinforced concrete composite slab without ribs on four sides comprises a slab body (1) and built-in steel bars (2), and is characterized in that,

the edge of the end face of the plate body (1) is sunken to form a thin-wall section (3);

compared with the recessed surface of the end surface of the plate body (1), the thin-wall section (3) is provided with a steel bar penetrating hole (4), and the steel bar penetrating hole (4) is positioned at the edge of the recessed surface close to the side surface;

the built-in reinforcing steel bar (2) penetrates out of the reinforcing steel bar penetrating hole (4), and the penetrating part of the built-in reinforcing steel bar (2) is bent towards the other end of the built-in reinforcing steel bar (2) along the configuration direction of the built-in reinforcing steel bar (2).

2. The reinforced concrete composite slab with no ribs on four sides as claimed in claim 1, wherein said composite slab further comprises truss reinforcements (5).

3. The reinforced concrete composite slab without reinforcing bars on four sides as claimed in claim 1, wherein the thin-wall section (3) is thinned on two sides, and the height difference is formed between the thin-wall section (3) and two end surfaces of the slab body (1).

4. The unreinforced concrete composite slab with no ribs on four sides as claimed in claim 1, characterized in that the width A of the thin-wall section (3) satisfies the following condition: 1/6L is more than or equal to A is less than or equal to 1/4L, and L is the width of the plate body (1).

5. The unreinforced concrete composite slab with no ribs on four sides as claimed in claim 1, wherein the thickness B of the thin-wall section (3) satisfies the following condition: 1/2H is not less than B is not less than 2/3H, and H is the thickness of the plate body (1).