A method for forming concrete holes without support and without demolition
A molding method and concrete technology, which is applied to the preparation of building components on site, formwork/formwork/work frame, construction, etc., can solve the problem of increasing human resource investment, labor intensity and safety risks, and patching together bulk wood formwork + steel formwork Complicated, affecting the quality of concrete hole forming, etc., to achieve the effect of ensuring construction safety and forming quality, simplifying construction procedures, and liberating 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 two, 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 water bag to ...
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