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Steel pipe hollow concrete building floor and construction method thereof

A technology of hollow concrete and construction method, which is applied in the direction of floors, building components, buildings, etc., can solve problems such as easy cracks or cracks, cumbersome construction process, poor anti-crowding ability, etc., to overcome cracks or cracks, save manpower and The effect of time and bearing capacity improvement

Inactive Publication Date: 2010-05-19
ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (3). The inner wall of the hollow part of the floor slab has poor pressure resistance and is prone to cracks or cracks
[0007] In addition, during the construction process, formwork is also required: multiple steel pipes are arranged vertically, and the formwork for the floor slab is made on the top of the steel pipes. After the floor slab is poured, the steel pipes used to support the roof are removed. The construction process is cumbersome and expensive. , Long construction period, especially for projects with higher storey height, the cost of supporting the roof is higher

Method used

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  • Steel pipe hollow concrete building floor and construction method thereof
  • Steel pipe hollow concrete building floor and construction method thereof
  • Steel pipe hollow concrete building floor and construction method thereof

Examples

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Effect test

Embodiment 1

[0133] Embodiment 1 of the present invention is as Figure 1~4 and Figures 8 to 13 Shown, a kind of construction method of steel pipe hollow concrete slab, it specifically comprises the following steps:

[0134] (1). If Figure 8As shown, two sets of steel pipes 1a and 1b are made, and the first set of steel pipes 1a is fixedly installed on the bracket 2. The bracket 2 is composed of a horizontally arranged supporting plate 21 and a vertically arranged hanging plate 22. The supporting plate 21 and the first group The length of the steel pipe 1a is adapted; the hanging plate 22 is located under the first group of steel pipes 1a, and includes a plurality of vertical plates vertically fixed on the supporting plate 21 and arranged at intervals along the length direction of the supporting plate 21, and the upper end of the vertical plate It is welded and fixed with the first group of steel pipes 1a; the first group of steel pipes 1a is first arranged in parallel, and its two end...

Embodiment 2

[0142] Implementation of the present invention 2 as Figure 5 As shown, the difference from the previous embodiment is that in the concrete between the adjacent two steel pipes 1a and 1b, there is also a prestressed steel hinge line 8, and the prestressed steel hinge line 8 is a parabolic shape with a concave middle. The two ends of the prestressed steel hinge line 8 pass through the square beam 4, and are fixed on the side wall on the outside of the square beam 4 with bolts 9. In the construction process, in step 4, when installing another group of steel pipes 1b, the prestressed steel strand 8 is pre-embedded and fixed at the same time. Other construction process is identical with embodiment 1.

Embodiment 3

[0144] Embodiment 3 of the present invention is as Figure 6 As shown, the difference from Embodiment 1 is that there is also a frame beam 10 in the middle of the floor, and the frame beam 10 is perpendicular to the arrangement direction of the steel pipes 1a, 1b, so that each steel pipe does not span the width of the entire floor, but Divided into two zones by frame beams 10 located in the middle of the floor. In steps 1 and 4 of the construction method, one end of the steel pipe 1a or 1b is respectively fixed on both sides of the frame beam 10 located in the middle, and the other end of the steel pipe 1a or 1b is fixed to the square beams 4 on both sides. Other construction process is identical with embodiment 1.

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Abstract

A steel pipe hollow concrete floor is equipped with a number of steel pipes in itself, the steel pipes are surrounded by concrete structure and forms hollow floor; two ends of the steel pipes are fixed on the frame beam combined with the floor. Said steel pipes not only can be used as the molding template, the poured concrete need not be demounted but as one part of hollow floor. The steel pipe hollow concrete floor in the invention has small floor integral section, light weight and large bearing capacity.

Description

Technical field [0001] The invention relates to a concrete floor slab, in particular to a hollow concrete floor slab suitable for a building with a large load and a large span but limited height. Background technique [0002] Hollow-core slabs made of concrete have long been widely used in houses and bridges. Unfortunately, in the process of making hollow-core slabs, the tubes used for forming never participate in the force of hollow-core slabs. They are only templates for forming hollow-core slabs. That's all. The purpose of making the floor slab hollow is to effectively reduce the weight of the floor slab and save materials. In addition, there are hollow-core slabs designed as seismic structures specifically to reduce seismic forces. [0003] In the prior art, the hollow-core slab can be produced in a factory or on the construction site. When making in the factory, there are usually specially designed molds. After the concrete is initially solidified, the mold is pulled...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B5/36
Inventor 陈星罗赤宇向前李欣孙礼军叶浩林扑强王华林欧妍君郭伟杰李娜蒋运林彭思
Owner ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
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