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因结构本身的复杂性,高层建筑斜坡面外墙、楼板切割及后期加固改造难度很大。通过对天津某实际工程的拆除工作,认为施工中应认真执行工艺标准,并通过现场实际调查,结合施工图纸,确定切割拆除顺序,编制可行性施工方案。在对上部结构有效支顶卸荷的前提下,按“楼板→次梁→主梁→柱”的顺序逐层、分段地安全切割拆除施工。
Due to the complexity of the structure itself, it is very difficult to reconstruct the slab facade and the slab of the high-rise building and the later reinforcement. Through the demolition of an actual project in Tianjin, it is considered that the process standard should be conscientiously implemented in the construction and the actual construction survey should be carried out. Based on the construction drawings, the order of cutting and demolition should be determined and a feasible construction plan should be prepared. Under the premise of effective top unloading on the superstructure, press “floor → secondary beam → main beam → column” in order of layer by layer and cut safely and demolished.