Formwork of cast-in-place concrete stair step
A technology for concrete and stairs, which is applied in the fields of formwork/formwork/work frame, on-site preparation of building components, construction, etc. The effect of fast speed and high precision of mold support
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[0016] see figure 1 , figure 2 , image 3 , Figure 4 , the present invention includes step side piece 4, horizontal cross bar 5, cross fastener 6 and step vertical plate 7, the step side piece 4 is composed of main longitudinal rod 41, auxiliary longitudinal rod 42, step adjustment rod 43 and step joint 44 , the main longitudinal rod 41 and the auxiliary longitudinal rod 42 are arranged in parallel, the step adjustment rod 43 is a number of pieces, and they are juxtaposed with the main longitudinal rod 41 and the auxiliary longitudinal rod 42 to intersect in a "well" shape overlap, and the step joints 44 are several pieces, and respectively The lap joints between the main longitudinal rod 41, the secondary longitudinal rod 42 and the step adjustment rod 43 are hinged in sequence;
[0017] The step side piece 4 is two pieces arranged side by side on both sides of the stair step, and the main longitudinal rod 41 and the auxiliary longitudinal rod 42 of the step side piece 4...
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