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Straw-steel self-bearing fabricated composite floor slab and construction method

A prefabricated, self-supporting technology, applied to floors, protected buildings/shelters, building components, etc., can solve problems such as poor stability and earthquake resistance, poor sound insulation and impermeability, and insufficient connections. Achieve the effect of strong integrity, good anti-seismic performance and improved anti-seismic performance

Inactive Publication Date: 2018-03-16
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of the current prefabricated floor slabs with poor stability and anti-seismic ability, high cost, insufficient connection, poor sound insulation effect and impermeability, and provide a floor with light weight, high strength and good anti-seismic performance. , easy to construct, good stability straw-steel self-supporting prefabricated composite floor slab and its construction method

Method used

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  • Straw-steel self-bearing fabricated composite floor slab and construction method
  • Straw-steel self-bearing fabricated composite floor slab and construction method
  • Straw-steel self-bearing fabricated composite floor slab and construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0038]A straw-steel self-supporting assembled composite floor, the floor is a structure composed of a plurality of composite panels 22 connected to each other, the composite panel includes a steel frame 9, and a straw panel 2 is arranged inside the steel frame , the steel frame includes a side frame 26 arranged around the straw board and a support frame 27 arranged at the upper and lower ends of the side frame and welded with the side frame, and the sides of the side frame are The side joint plate 13 is welded, the floor plaster 16 is laid on the support frame, and the upper and lower ends of the steel frame are successively laid with a fireproof layer 14 and a waterproof layer 15 .

Embodiment 2

[0040] According to the straw-steel self-supporting assembled composite floor slab described in Example 1, the composite slab is a one-way slab 20 structure, the support frame includes a central steel plate 3, and the end of the central steel plate is connected to the The side frame is welded, a plurality of steel bars 4 are welded between the central steel plate and the side frame, and the side frame is welded by trapezoidal side plates 7 and welding The semi-cylindrical grooved plate 6 at the left end of the side frame and the semi-cylindrical hollow steel plate 5 welded at the right end of the side frame are composed, and the trapezoids on the two adjacent one-way plates up and down are The side plate is fastened, and the semi-cylindrical groove plate on the one-way plate on the left is fastened to the semi-cylindrical hollow steel plate on the one-way plate on the right.

Embodiment 3

[0042] According to the straw-steel self-supporting assembled composite floor slab described in embodiment 1 or 2, the composite slab is a two-way slab 21 structure, the support frame includes a well-shaped steel plate 8, and the well-shaped steel plate is laid on the The upper and lower ends of the straw board, the well-shaped steel plate is welded to the side frame, the steel wire mesh 10 is welded on the well-shaped steel plate, and the steel wire mesh includes a plurality of steel wires arranged vertically and horizontally 12. The steel wire is welded to one end of the hook 11, the other end of the hook is welded to the well-shaped steel plate, and the edge plate is composed of a trapezoidal edge plate welded around the side frame , two adjacent two-way plates are connected by dark beams 23 .

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Abstract

The invention provides a straw-steel self-bearing fabricated composite floor slab and a construction method. The problems of poor integrity, stability and shock resistance and high manufacturing costgenerally exist in current fabricated floor slabs, additionally, connection of the joint positions of the multiple floor slabs is not tight enough, and thus the sound insulation effect and permeability resistance of the floor slabs are poor. According to the composition of the straw-steel self-bearing fabricated composite floor slab, the straw-steel self-bearing fabricated composite floor slab isof a structure composed by connecting a plurality of composite plates (22) mutually, the composite plates comprise steel frames (9), straw plates (2) are arranged in the steel frames, and the steel frames comprise edge frames (26) arranged on the peripheries of the straw plates and supporting frames (27) arranged at the upper ends and the lower ends of the edge frames and welded to the edge frames. Edge connecting plates (13) are welded to the peripheries of the edge frames, floor slab plaster (16) is laid on the supporting frames, and fireproof layers (14) and waterproof layers (15) are laidon at the upper ends and the lower ends of the steel frames sequentially.

Description

Technical field: [0001] The invention relates to a building floor structure, in particular to a straw-steel self-supporting assembled composite floor and a construction method. Background technique: [0002] At present, most of the floor slabs of middle and low-rise buildings use cast-in-place reinforced concrete slabs. The cast-in-place concrete slabs have the advantages of strong integrity and good bearing capacity. After the concrete reaches a certain hardness, the next process can be carried out. In this way, the construction speed is greatly reduced. Moreover, a large amount of construction waste will be generated during the construction process, seriously affecting the construction site and surrounding environment, causing environmental pollution, which does not conform to the existing design concept of prefabricated green buildings, and is not suitable for prefabricated buildings. [0003] With the requirements of national construction industrialization, all kinds of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/02E04B1/66E04B1/94E04B1/98E04H9/02E04G21/00
CPCE04B5/02E04B1/66E04B1/94E04G21/00E04H9/02
Inventor 林莉王舒徐天立郭志仰黎进
Owner HARBIN UNIV OF SCI & TECH