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这是发生在20多年前的一起安全事故,现在回忆起来,仍然惊心动魄。人字扒杆竟在落地前一瞬间断裂,刚好打在起重指挥长身上,指挥长当场死亡,现场一片混乱。一、起重方案如图1所示,用木制人字扒杆整体放倒井架塔吊的塔身主体。人字木扒杆每根长5.5m,节点高5m,井架塔身长15m。该施工方法已经多次使用,均安全无恙。二、本次操作情况人字扒杆立好、准备工作就绪后,先调整井架塔身原有的四周钢丝缆风绳,使后面的松弛,前面的收紧,让井架塔身平稳地向前成
This is a security incident that took place more than 20 years ago and is still astonishing to recall. Herringbone stripped bar was actually broken moments before landing, just hit the body in the lifting command, the conductor died on the spot, the scene was a mess. First, the lifting program As shown in Figure 1, with wooden miter grid pole over the whole derrick tower crane tower body. Miter wood pole length of 5.5m each, the node height of 5m, derrick tower body length 15m. The construction method has been used many times, are safe and sound. Second, the operation of the poplar pole bar legislation, ready to work, the first adjustment derrick tower around the original steel cable wind rope, so that the back of the relaxation, tightening in front of the derrick tower smoothly forward to make