External hanging type protective scaffold suitable for construction of fabricated cast-in-place corridor: Fid-Bau Portal

External hanging type protective scaffold suitable for construction of fabricated cast-in-place corridor

DING DAOBIN

The invention discloses an external hanging type protective scaffold suitable for construction of a fabricated cast-in-place corridor. The external hanging type protective scaffold comprises a scaffold body and is characterized by further comprising a U-shaped pipe clamp, I-shaped steel and a positioning and clamping device; the U-shaped pipe clamp is pre-buried above the concrete cast-in-place corridor, and the U-shaped pipe clamp and a corridor main beam steel bar are welded into a whole and form intersection welding; the I-shaped steel is vertically installed on cast-in-place corridor concrete with the curing strength larger than 75%, and the U-shaped pipe clamp is used for locking the I-shaped steel in a double-nut pressing plate mode; and the positioning and clamping device is clamped on the I-shaped steel. According to the external hanging type protective scaffold, the external hanging type scaffold is installed through the method of pre-burying the U-shaped pipe clamp of the cast-in-place corridor in advance and the method of overhanging the I-shaped steel, the method of lifting and overturning layer by layer is adopted, and the safe, reliable and convenient scaffold is provided for construction of an air corridor cast-in-place reinforced concrete structure of a fabricated high-rise building.

本发明公开了一种适用于装配式现浇连廊施工的外挂式防护式脚手架，包括脚手架主体，其特征在于：还包括U型管卡、工字钢和定位卡紧装置，所述的U型管卡预埋在混凝土现浇连廊上方，U型管卡与连廊主梁钢筋焊接成一体且形成交合焊接；所述的工字钢垂直的安装在固化强度大于75％的现浇连廊混凝土上，并且使用U型管卡采用双螺母压板式锁紧工字钢；所述的定位卡紧装置夹紧在工字钢上，在本发明中，通过提前预埋现浇连廊U型管卡的方法，通过工字钢悬挑的方法，安装外挂式脚手架，采用层层提升翻转的方法，为装配式高层建筑空中连廊现浇钢筋砼结构施工提供了一种安全、可靠、便捷的脚手架。

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