An anti-floating method and structure of lpm hollow formwork construction

Abstract

The invention discloses an anti-floating method and structure for LPM (lumped plasticity model) hollow die construction. The specific construction method of the anti-floating method for the LPM hollow die construction comprises two steps as follows: fixing bottom rebars on a floor template and fixing a hollow die on the bottom rebars, wherein the bottom rebar fixing method comprises the steps as follows: specially-made holed anti-floating steel strips are pressed at joint positions of vertical and horizontal bottom rebars, long screws are penetrated into holes of the holed anti-floating steel strips and screwed into the floor template by an electric hand drill, so that the bottom rebars are fixed on the floor template; and the hollow die fixing method comprises the steps as follows: at least two specially-made steel wires penetrate through the bottom rebars and bind the LPM hollow die, and concrete cushion blocks are laid between the LPM hollow die and the bottom rebars, and the LPM hollow die is fixed on the bottom rebars. The anti-floating method and structure are simple in manufacture technology, convenient and flexible in construction, low in manufacture cost and broad in engineering application prospect, can increase the construction speed and shorten the construction period, can effectively guarantee the floor construction quality, and can be popularized and applied in LPM hollow die construction.

Description

[0001] Technical Description [0002] The invention relates to an anti-floating method and structure of LPM hollow formwork construction, belonging to the technical field of building construction. Background technique [0003] LPM hollow floor is a newly developed cast-in-place concrete hollow floor structure in recent years. Compared with the traditional beam-slab floor, the LPM hollow floor structure has light weight, large span, strong earthquake resistance, sound insulation and heat insulation effect. Features. With this kind of floor, the net height of the floor is increased, which can make full use of the building space, reduce the design height of the floor, facilitate the layout of various pipelines, greatly reduce the consumption of steel and concrete materials, and thus reduce the overall cost. [0004] The LPM hollow formwork is light in weight, and it is easy to float up during the construction process due to factors such as improper concrete pouring methods or im...

AI Technical Summary

Problems solved by technology

The conventional anti-floating method is to directly fix the hollow formwork on the formwork with iron wires and big-head screws after the hollow formwork is placed. This method is slow in construction and operation, and the anti-floating effect is not ideal, and it is inconvenient to remove the formwork and easily damage the surface of the floor formwork.

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