Method for preventing flotation of light solid composite core formwork of composite floor system

A composite floor and composite core technology, applied in floors, building components, buildings, etc., can solve the problems of low construction quality and construction efficiency, difficulty in effectively controlling the displacement of mandrels, and affecting the thickness of concrete components, etc., to achieve convenient production and processing , low cost and easy installation

Inactive Publication Date: 2016-10-12
CHINA MCC17 GRP
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Problems solved by technology

However, some important and difficult problems in the construction process have not been effectively controlled. For example, the buoyancy generated by concrete pouring will cause the lightweight mandrel box to shift and float up, affecting the thickness of concrete components such as th

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  • Method for preventing flotation of light solid composite core formwork of composite floor system

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] In the figure, a lightweight solid composite mandrel anti-floating method for a composite floor of the present invention includes the following construction steps:

[0015] Step 1. Before the construction of the internal formwork, according to the plane size of the floor slab in the design drawings, the location of the construction joints, the reserved pre-embedding situation, the arrangement direction and the design length of the internal formwork, the formwork layout design is carried out, and a picture of the internal formwork layout is drawn for each floor. Figure, formulate the amount of required accessories according to the internal model discharge map;

[0016] Step 2, mandrel anti-floating accessories 1-4 are made, and the length of screw rod 1-2 is determined according to the height of mandrel 1-6, the distance between mandrel 1-6 and the steel bar at t...

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Abstract

The invention discloses a method for preventing flotation of a light solid composite core formwork of a composite floor system. The method comprises the following construction steps that firstly, an inner formwork arrangement diagram is drawn before an inner formwork is constructed, and the number of required accessories is determined according to the inner formwork arrangement diagram; secondly, anti-flotation accessories of the core formwork are manufactured; thirdly, the core formwork of the composite floor system is installed and constructed; fourthly, concrete pouring of the composite floor system is conducted; and fifthly, after concrete is poured and cured, nuts, a batten, clamps of three types and a bottom formwork of the floor system are dismantled, the exposed portions of screws are cut off, and the flatness of the bottom of the floor system is guaranteed. According to the method for preventing flotation of the light solid composite core formwork of the composite floor system, the effect that a core formwork box does not float upwards or slide is guaranteed; in addition, the construction technique is simple, and the accessories are convenient to manufacture and install; furthermore, the practicability is high, and manufacturing and machining are convenient; and moreover, the cost is low, and the control effect is remarkable.

Description

technical field [0001] The invention relates to a building construction method, in particular to a method for anti-floating of a lightweight solid composite mandrel for a composite floor. Background technique [0002] With the rapid development of the construction industry, the technology of cast-in-place concrete composite floors is becoming more and more mature. However, some important and difficult problems in the construction process have not been effectively controlled. For example, the buoyancy generated by concrete pouring will cause the lightweight mandrel box to shift and float up, affecting the thickness of concrete components such as the upper and lower floors of the composite floor and rib beams. . The existing composite floor construction method has complex procedures and is difficult to effectively control problems such as mandrel shifting and floating, and the construction quality and construction efficiency are low. Contents of the invention [0003] The ...

Claims

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Application Information

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IPC IPC(8): E04B5/36E04G21/18
CPCE04B5/36E04G21/185
Inventor 陈凯华陈飞
Owner CHINA MCC17 GRP
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