Top-down decreasing-formwork formwork system and construction method
A construction method and formwork technology, applied in formwork/formwork/work frame, artificial island, water conservancy projects, etc., can solve the problems of poor construction continuity, unfavorable environmental control, large over-excavation depth, etc. The depth of digging, the effect of reducing adverse effects
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0023] like Figure 1~6 As shown, the reverse formwork formwork system of the present invention includes a main beam 1, a secondary beam 2 and a formwork 3 fixed on the secondary beam. The formwork is reserved at the position of the structural column with a column hole 4 for the structural column to pass through. , also includes a boom 5 and a manual hoist 6, the boom 5 is arranged vertically on the entire drop formwork system in a matrix structure, the lower end of the boom 5 is fixedly connected to the main beam 1, and the length of the boom 5 is longer than that of the basement According to the floor height of the structure, the lifting nut 51 is arranged on the suspender; the lifting point 61 of the manual hoist is arranged at the upper end of the suspender 5 around the column cap.
[0024] The formwork system is divided into a formwork structure a...
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