The construction quality of handlingframe is controlled so that the good effect is gained, which can assure the safety of grid structure.
同时对操作架的质量进行控制，取得了良好的施工效果，确保了网架工程的结构安全。
2
The steel tube handlingframe has the advantages of simple structure, flexible use, high construction efficiency, etc., and can be applied to the steel tube construction of buildings.
本实用新型具有结构简单、使用灵活，施工效率高等优点，可广泛用于建筑物的钢管施工中。
3
The characteristics of large span, complex structure and part cantilever in Qingdao Gymnasium result in construction difficulties about handlingframe of steel grid frame at high altitude.