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案例一:2001年6月18日,新疆奎屯市建设公司第八项目部,在一栋住宅楼施工时,使用了一台200kN.m塔吊。塔吊当时在建筑物五楼顶,吊臂位于西南位置,吊物为垃圾(当时无法知道吊物的确定重量),工作幅度为23.6m。从塔机说明书特性曲线表可查出在23.6m处可吊重0.82t,事故发生后称吊物重0.84t,超重0.02t(20kg)就发生倒塌事故,幸未导致人员伤亡。
Case 1: On June 18, 2001, the eighth project department of the construction company in Kuitun, Xinjiang, used a 200kN.m tower crane in the construction of a residential building. Tower crane was at the top of the building on the fifth floor, the crane located in the southwestern position, hanging objects for the garbage (at that time can not know the weight of the hanging weight), the working range of 23.6m. It can be found that the lifting capacity can be 0.82t at 23.6m after the accident, and 0.84t of hanging weight and 0.02t (20kg) of overweight occur after the accident. Fortunately, no casualties were caused.