CN216865654U

CN216865654U - Hollow superimposed sheet superstructure of reinforced concrete

Info

Publication number: CN216865654U
Application number: CN202220346848.XU
Authority: CN
Inventors: 马锋; 张月娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-01
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a reinforced concrete hollow composite slab floor system, which comprises a prefabricated bottom plate made of reinforced concrete, a plurality of filling weight reducing bodies arranged on the prefabricated bottom plate at intervals, a cast-in-situ concrete superposed layer formed above the plurality of filling weight reducing bodies in a cast-in-situ manner, and cast-in-situ concrete longitudinal and transverse ribs formed among the plurality of filling weight reducing bodies in a cast-in-situ manner. The utility model can greatly improve the prefabrication rate and the assembly rate of the building, reduce the wet operation strength of field construction workers, is safe and environment-friendly, really meets the requirements of large span and large load, has safe and reliable structure, convenient construction, cost reduction and efficiency improvement, can be poured once, and really realizes the mould-free and support-free.

Description

Hollow superimposed sheet superstructure of reinforced concrete

Technical Field

The utility model relates to the technical field of assembly type buildings, in particular to a reinforced concrete hollow laminated slab floor system.

Background

The increase rate of the labor cost of building construction is gradually faster than the price increase rate of building materials, and the traditional cast-in-place concrete structure and the construction process thereof are time-consuming, labor-consuming and environment-polluting. And because the external rigidity of the plane of the prefabricated bottom plate is small, a large number of scaffolds and templates need to be erected during construction, and the using amount of the existing traditional reinforced truss concrete composite slab is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the reinforced concrete hollow composite slab floor system is free of a mold and a support, reduces the wet operation strength of field construction workers and really meets the requirements of large span and large load aiming at the defects of the prior art.

The technical scheme adopted by the utility model for solving the technical problem is to provide a reinforced concrete hollow composite slab floor system, which comprises a prefabricated bottom plate made of reinforced concrete, a plurality of filling weight reducing bodies arranged on the prefabricated bottom plate at intervals, a cast-in-place concrete laminated layer formed above the plurality of filling weight reducing bodies in a cast-in-place mode, and cast-in-place concrete longitudinal and transverse ribs formed in the middle of the plurality of filling weight reducing bodies in a cast-in-place mode.

Further, the plurality of filling weight-reducing bodies are integrated on the prefabricated base plate or the plurality of filling weight-reducing bodies are placed on the prefabricated base plate.

Furthermore, the prefabricated bottom plate is a prefabricated flat plate, a truss prefabricated bottom plate or a multi-rib prefabricated bottom plate.

Furthermore, the steel bars in the prefabricated flat plate can be common steel bars, finished steel bar welding meshes or prestressed steel bars.

Furthermore, the truss of the truss prefabricated bottom plate is a steel pipe truss, a steel bar truss, a steel mesh truss, a plastic pipe truss or a ceramic pipe truss.

Furthermore, filling materials can be poured into the inner cavity of the truss pipe of the truss prefabricated bottom plate.

Further, the number of the truss pipes of the truss prefabricated bottom plate can be one or more; the truss tubes are parallel or angled with respect to each other.

Furthermore, one or more longitudinal ribs of the multi-rib prefabricated bottom plate are provided; the plurality of longitudinal ribs are parallel to each other.

Furthermore, the longitudinal ribs of the multi-rib prefabricated base plate are solid longitudinal ribs, or holes are arranged at the lower parts or the middle parts of the longitudinal ribs, or light filling materials or solid filling materials are pre-buried.

Further, the material for filling the weight-reducing body is polystyrene, light foamed cement blocks, steel plates, steel meshes, aluminum foils, expanded perlite, ceramsite, silica boards or gypsum.

Further, the central points of the filling weight-reducing bodies are connected to form a net.

The utility model can greatly improve the prefabrication rate and the assembly rate of a building, reduce the wet operation strength of site construction workers, is safe and environment-friendly, really realizes the requirements of large span and large load, has safe and reliable structure, convenient construction, cost reduction and efficiency improvement, is poured once, and really realizes the mould-free and support-free performance.

Drawings

FIG. 1 is a schematic plan view of a hollow composite floor;

FIG. 2 is a schematic plan view of a steel pipe truss laminated slab hollow floor;

FIG. 3 is a schematic sectional view of a steel pipe truss laminated slab hollow floor 1-1;

FIG. 4 is a schematic sectional view of a steel pipe truss laminated slab hollow floor 2-2;

FIG. 5 is a schematic plan view of a multi-rib laminated slab hollow floor;

FIG. 6 is a schematic sectional view of a multi-rib laminated slab hollow floor 1-1;

FIG. 7 is a schematic sectional view of a multi-rib laminated slab hollow floor 2-2.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-7, the reinforced concrete hollow composite slab floor system of the present invention includes columns or walls 1, beams 2, prefabricated bottom plates 3 made of reinforced concrete, filling weight-reducing bodies 4, cast-in-place concrete laminated layers 5 cast on the filling weight-reducing bodies 4, and cast-in-place concrete longitudinal and transverse ribs 6 cast in the middle of the filling weight-reducing bodies 4.

The reinforced concrete prefabricated bottom plate 3 can be a prefabricated flat plate, a truss prefabricated bottom plate or a multi-rib prefabricated bottom plate.

The filling weight-reducing body 4 is arranged on the reinforced concrete prefabricated bottom plate 3, and after concrete with a certain thickness is poured in site construction (steel bars are contained), the hollow composite slab floor is formed. Without any need for formworks and scaffolding. The construction is simple and convenient.

The filling weight-reducing bodies 4 can be placed directly on the prefabricated floor 3 at the construction site or can be integrated directly on the floor 3 when the prefabricated floor 3 is produced in a factory.

The longitudinal and transverse solid ribs 6 of the cast-in-place concrete naturally formed by the filling and weight-reducing bodies 4 spaced from each other are parallel to each other.

The center points of the filling weight reducing bodies are connected in a net shape.

The additional functions of filling the weight reducing body are filling, weight reduction, performance of increasing sound insulation, heat preservation, heat insulation, vibration reduction and the like of the floor slab, and the using amount of cast-in-situ laminated layer concrete is reduced.

The filling weight-reducing body is made of light filling materials or solid filling materials, including but not limited to organic or inorganic materials such as polystyrene, plastic products, light foamed cement blocks, steel plates, steel meshes, aluminum foils, expanded perlite products, ceramsite, silica rock plates, gypsum and the like.

The filling weight body shape can be: square, rectangle, triangle, trapezoid, arc, diamond, polygon, etc.

In one embodiment, the reinforced concrete prefabricated bottom plate 3 is a prefabricated flat plate, and the steel bars in the prefabricated flat plate can be common steel bars, finished steel bar welded meshes or prestressed steel bars.

In one embodiment, the reinforced concrete prefabricated floor 3 is a truss prefabricated floor, and the truss material includes, but is not limited to, steel pipe truss, steel bar truss, steel mesh truss, plastic pipe truss, ceramic pipe truss, and the like. The inner cavity of the truss pipe can be poured with filling materials. The number of the truss pipes can be one or more; the truss tubes are parallel or form an angle with respect to each other.

In an embodiment, the reinforced concrete prefabricated base plate 3 is a multi-rib prefabricated base plate, and the longitudinal ribs can be solid longitudinal ribs, or holes or pre-buried light filling materials or solid filling materials can be arranged at the lower parts or the middle parts of the longitudinal ribs. One or more longitudinal ribs are arranged; the longitudinal ribs are parallel to each other, and a small number of auxiliary ribs can be additionally arranged on the prefabricated bottom plate and are perpendicular to the longitudinal ribs.

The material of the longitudinal rib filling material is a light filling material or a solid filling material, and includes but is not limited to organic or inorganic materials such as polystyrene, plastic products, light foamed cement blocks, steel plates, steel meshes, aluminum foils, expanded perlite products, ceramsite, silica rock plates, gypsum and the like.

The shape of the longitudinal rib filling material can be as follows: square, rectangle, triangle, trapezoid, arc, diamond, polygon, etc.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hollow superimposed sheet superstructure of reinforced concrete which characterized in that: the cast-in-place concrete weight-reducing structure comprises a prefabricated bottom plate made of reinforced concrete, a plurality of filling weight-reducing bodies arranged on the prefabricated bottom plate at intervals, cast-in-place concrete superposed layers formed above the plurality of filling weight-reducing bodies in a cast-in-place mode, and cast-in-place concrete longitudinal and transverse ribs formed in the middle of the plurality of filling weight-reducing bodies in a cast-in-place mode.

2. The reinforced concrete hollow composite slab floor system as claimed in claim 1, wherein: the plurality of filling weight-reducing bodies are integrated on the prefabricated base plate or the plurality of filling weight-reducing bodies are placed on the prefabricated base plate.

3. The reinforced concrete hollow composite slab floor system of claim 1, wherein: the prefabricated bottom plate is a prefabricated flat plate, a truss prefabricated bottom plate or a multi-rib prefabricated bottom plate.

4. A reinforced concrete hollow composite slab floor as claimed in claim 3, wherein: the steel bars in the prefabricated flat plate can be common steel bars, finished steel bar welding meshes or prestressed steel bars.

5. A reinforced concrete hollow composite slab floor as claimed in claim 3, wherein: the truss of the truss prefabricated bottom plate is a steel pipe truss, a steel bar truss, a steel mesh truss, a plastic pipe truss or a ceramic pipe truss.

6. A reinforced concrete hollow composite slab floor as claimed in claim 3, wherein: and filling materials can be poured in the inner cavity of the truss pipe of the truss prefabricated bottom plate.

7. A reinforced concrete hollow composite slab floor as claimed in claim 3, wherein: the number of the truss pipes of the truss prefabricated bottom plate can be one or more; the truss tubes are parallel or angled with respect to each other.

8. A reinforced concrete hollow composite slab floor as claimed in claim 3, wherein: one or more than one longitudinal rib of the multi-rib prefabricated base plate; the plurality of longitudinal ribs are parallel to each other.

9. A reinforced concrete hollow composite slab floor as claimed in claim 3, wherein: the longitudinal ribs of the multi-rib prefabricated base plate are solid longitudinal ribs, or holes are arranged at the lower parts or the middle parts of the longitudinal ribs, or light filling materials or solid filling materials are pre-buried.

10. The reinforced concrete hollow composite slab floor system of claim 1, wherein: the material for filling the weight reducing body is polystyrene, light foamed cement blocks, steel plates, steel meshes, aluminum foils, expanded perlite, ceramsite, silicon rock boards or gypsum.

11. The reinforced concrete hollow composite slab floor system of claim 1, wherein: the central points of the filling weight reducing bodies are connected to form a net.