Unsupported disassembly-free concrete hole forming method
A molding method and concrete technology, which are applied in the on-site preparation of building components, formwork/formwork/work frame, construction, etc., can solve the problem of increasing human resource investment, labor intensity and safety risks, and assembling bulk wood formwork + steel formwork. It is complicated and affects the forming quality of concrete holes, so as to ensure the construction safety and forming quality, simplify the construction process and liberate the labor intensity.
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[0018] The following further describes the embodiments of the present invention.
[0019] An unsupported and dismantling-free concrete hole forming method is characterized in that it includes the following steps:
[0020] Step 1: Loft the size of concrete holes on the spot according to the design drawings and concrete pouring construction conditions;
[0021] Step 2: According to the size of the site and combined with the thickness of the insulation material, the insulation material is simply reinforced without invading the edge of the hole size structure, and the concrete release agent is brushed on the side close to the concrete;
[0022] Step 3: Loft out the size of the water bag according to the actual size of the concrete hole and lay it inside the hole insulation material;
[0023] Step 4: Set up multiple freezing devices in the water bag inside the hole insulation material, and pass water to the inside to a certain volume, start the freezing equipment, and freeze the water in the...
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