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1983年元月25日,四川某矿在露天剥离峒室大爆破装药过程中发生早爆事故,造成××人死亡、××人受伤,财产损失约××万元。笔者对事故发生过程和原因分析如下,供爆破设计、施工及研究人员借鉴。一、基本情况该爆破工程是由某设计院于1982年完成设计,同年11月通过设计审批的。设计装药量952吨,爆破方量116万米~3。爆区内在海拔2160、2184、2209米布置3层共16条平
On January 25, 1983, an early blast accident occurred in a large-scale charge of demolition and demolition in a large-scale open-air demolition room in a mine in Sichuan Province, causing the death of XX people and the injury of XX people. The property loss was about XX million. The author of the accident occurred in the process and the reasons are as follows, for blasting design, construction and researchers for reference. First, the basic situation The blasting project by a design institute in 1982 to complete the design, in November the same year through the design approval. The design of the amount of 952 tons of explosives, blasting side volume of 116 million meters ~ 3. Explosion zone at an elevation of 2160,2184,2209 meters layout of a total of 16 layers of 3 flat