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随着商业区、住宅区等密集群式建筑工程的增多,两台以上的塔机同时在一个工区作业的现象日渐增加,这就要求在施工工艺中尽可能提高起重机械空间利用率的同时,要重视塔机之间的安全布置。国家标准GB5144-85《建筑塔式起重机安全规程》第8.5条规定:“两台起重机之间的最小架设距离应保证处于低位的起重机臂架端部与另一台起重机的塔身之间至少有2m的距离;处于高位的起重机(吊钩升至最高点)与低位的起重机,在任何情况下其垂直距离的间隙不得小于2m。”为
With the increase of dense cluster construction projects in commercial areas and residential areas, the phenomenon that more than two tower cranes operate in one working area at the same time is increasing day by day. This requires that the space utilization of the lifting appliances be increased as much as possible in the construction process. Attention should be paid to the safety arrangement between tower cranes. The national standard GB 5144-85 “Safety regulations for building tower cranes” 8.5 stipulates: “The minimum erection distance between two cranes should ensure that there is at least one between the end of the crane boom and the tower of another crane. 2m distance; cranes in high position (hook up to the highest point) and lower cranes, in any case, the vertical distance between them shall not be less than 2m.”