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1.塔机拆卸存在的问题1台QTZ100型塔式起重机(以下简称塔机)在某工地施工完毕后准备拆卸,塔机拆卸时与周围建筑物之间的位置关系如图1所示。建筑物最大高度为94.4m,塔机共设5道附墙,第1至第5道附墙安装高度分别为31.5m、45.4m、60.4m、72.4m和84.4m。除第1道附墙附着于两幢建筑物外墙上,其余4道附墙均安装了附着支架,如图2所示。此次塔机拆卸,除按常规拆卸塔身、附墙、
1. Tower crane demolition problems 1 QTZ100 tower crane (hereinafter referred to as tower crane) in a construction site after the completion of preparation for demolition, tower crane demolition with the surrounding buildings when the position shown in Figure 1. The maximum height of the building is 94.4m. The tower crane has a total of 5 attached walls. The installed height of the attached wall of the 1st to 5th roads is respectively 31.5m, 45.4m, 60.4m, 72.4m and 84.4m. Except for the first wall attached to the outer wall of two buildings, the remaining four walls are attached to the attachment bracket, as shown in Figure 2. The tower crane demolition, except by conventional removal tower, with the wall,