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Construction method of cast-in-place concrete hollow slab with self-stabilizing high-strength thin-wall pipe inner mold

A construction method and technology for hollow concrete slabs, which are applied to floors, building components, buildings, etc., can solve problems such as self-stabilization and anti-floating performance, environmental protection and energy saving defects in installation and installation, and achieve good self-stabilizing and anti-floating performance, cost saving, and work efficiency. high effect

Inactive Publication Date: 2011-12-07
南通宏华建筑安装有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the construction of self-stabilizing high-strength thin-walled pipe inner mold (also known as CBM inner mold), there are defects in self-stabilizing anti-floating performance, installation stability, environmental protection and energy saving, etc.

Method used

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  • Construction method of cast-in-place concrete hollow slab with self-stabilizing high-strength thin-wall pipe inner mold
  • Construction method of cast-in-place concrete hollow slab with self-stabilizing high-strength thin-wall pipe inner mold
  • Construction method of cast-in-place concrete hollow slab with self-stabilizing high-strength thin-wall pipe inner mold

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Embodiment Construction

[0026] A self-stabilizing high-strength thin-walled pipe internal formwork (abbreviated as the internal formwork) cast-in-place concrete hollow slab construction method is characterized in that it includes the following steps:

[0027] (1) Installation template: According to the indoor horizontal line, use a spirit level to measure the elevation of the floor floor, use bowl-buckle steel pipe scaffolding or scaffolding steel pipes as horizontal supports, adjustable supporting steel pipes as vertical supports, and 50mm×100mm wooden squares as the receiving The keel is covered with bamboo plywood or multi-layer plywood, and the two-way arching of the formwork is 0.1-0.3% of the span;

[0028] (2) Spring line positioning: After the formwork is installed, pop up the position center line and end line of the self-stabilizing high-strength thin-walled pipe inner mold, and then pop up the identification lines of hidden beams, reserved holes, pre-embedded pipelines, and bottom steel bars...

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Abstract

The invention discloses a construction method for self-stabilizing high-strength thin-walled pipe inner mold cast-in-place concrete hollow slabs, which includes installing templates, snapping wire positioning, installing bottom steel bars, reserving holes and pre-embedded pipelines, binding inter-costal steel bars, installing self-stabilizing High-strength thin-walled pipe inner formwork, binding and fixing anti-floating steel bars, installing and binding top layer steel bars, pouring concrete, concrete curing, formwork removal and other steps. The invention has good self-stabilization and anti-floating performance, simple installation, accurate positioning, light weight, high work efficiency, cost saving, energy saving, environmental protection and labor saving.

Description

Technical field: [0001] The invention relates to a construction method of a self-stabilizing high-strength thin-walled pipe inner mold cast-in-place concrete hollow slab. Background technique: [0002] In the construction of self-stabilizing high-strength thin-walled pipe inner mold (also known as CBM inner mold), there are defects in self-stabilizing anti-floating performance, installation stability, environmental protection and energy saving. Invention content: [0003] The purpose of the present invention is to provide a self-stabilizing high-strength thin-walled pipe inner mold cast-in-situ concrete hollow slab construction method with good self-stabilizing and anti-floating performance and convenient and accurate installation and positioning. [0004] Technical solution of the present invention is: [0005] A self-stabilizing high-strength thin-walled pipe internal formwork (abbreviated as the internal formwork) cast-in-place concrete hollow slab construction method ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B5/36E04B5/18
Inventor 张德泉金云王洪波卢桂华李永华
Owner 南通宏华建筑安装有限公司
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