我公司1971～1986年共发生工伤事故3090起,死亡29人、重伤142人、轻伤2965人次。其中冒顶片帮是死亡、重伤人数最多,危害最大的事故(死亡9人,占31％;重伤40人,占28.2％;轻伤278人,占9.4％)。现将我公司历年发生的43起冒顶片帮事故作一简要的统计分析。一、事故原因分析 1.物质技术和管理的因素据统计,由物质技术和管理方面的原因造成的冒顶片帮事故的伤亡,在冒顶片帮伤亡人数中,死亡占77.8％,重伤占42.5％。这些因素主要是: (1)爆破办法不当:井下巷道和峒室,多年来一直沿用小打眼、多装药、不用炮泥填塞(有的甚至用炸药填满炮眼)的爆 Our company from 1971 to 1986 a total of 3090 industrial accidents, 29 people were killed, seriously injured 142 people, 2965 slight injuries. Among them, the top of the gangsters were dead, severely wounded and the hardest hit (9 deaths, 31%; 40 injured, 28.2%; minor injuries 278, 9.4%). Now my company took place over the years the top 43 pieces of the top to help make a brief summary of the accident statistics. First, the cause of the accident analysis 1. Material technology and management factors According to statistics, caused by the material technology and management of the top of the roof to help the accidental casualties, the number of casualties in the roof fell film, the death accounted for 77.8%, severe injuries accounted for 42.5% . These factors are mainly: (1) improper blasting methods: underground tunnels and chinensis room, has been using small drilling eyeballs for many years, more charge, not bullet plug (and some even filled with explosives to blasthole) of the explosion