网址：www.hbgxwd.com 2019-11-23 作者：admin 阅读：
Installation of external formwork of arc roof with flat roof and arch roof:
(1) the external formwork of the arc roof is connected with the internal formwork through the split bolts, which are arranged vertically and horizontally with a spacing of 600mm.
(2) when drilling the split bolt hole, the opening of the internal formwork shall be 50mm higher than that of the external formwork to prevent rainwater leakage.
(3) the construction holes reserved for the external formwork during the concrete pouring shall be arranged with the beam as the center first, and then arranged at a horizontal spacing of 1000mm to both sides.