CAJ | 학술논문

切槽爆破是分段凿岩阶段出矿采矿法的重要爆破工程之一，一般多采用浅孔爆破，其主要问题是爆破效率低，安全性差，而使用中深孔进行切槽爆破可有效解决该问题，但采用中深孔进行切槽爆破时，如发生拒爆现象，处理难度很大，故如何选取安全性可靠、经济合理的起爆网路是最重要的环节之一。基于某矿山实例，确定了中深孔切槽爆破参数，设计选择了两种合理的复式起爆网路，分析了起爆网路可靠性影响因素，采用概率统计原理计算了各自的可靠度，最终确定在一次起爆6排炮孔时，普通复式起爆网路适合该矿山的中深孔切槽爆破。
절조폭파시분단착암계단출광채광법적중요폭파공정지일，일반다채용천공폭파，기주요문제시폭파효솔저，안전성차，이사용중심공진행절조폭파가유효해결해문제，단채용중심공진행절조폭파시，여발생거폭현상，처리난도흔대，고여하선취안전성가고、경제합리적기폭망로시최중요적배절지일。기우모광산실례，학정료중심공절조폭파삼수，설계선택료량충합리적복식기폭망로，분석료기폭망로가고성영향인소，채용개솔통계원리계산료각자적가고도，최종학정재일차기폭6배포공시，보통복식기폭망로괄합해광산적중심공절조폭파。
Cutting blasting was an important blasting procedure in underground segmented rock drilling and ore drawing mining method. The main problem of short hole blasting was of low efficiency and poor safety,however,which could effectively solve the problem by drilling mid-deep holes in cutting blasting. But when this method was used in cutting blasting,it was difficult to treat it when the misfire occurred. So an important link was to choose the economi-cal rationality and reliability blasting circuit. Based on the actual situation of a mine,the blasting parameters were de-termined to apply mid-deep hole cutting blasting and two kinds of double-initiation blasting circuit. Finally,the ordi-nary double-initiation blasting circuit was chosen to meet the mine when detonating 6 rows blasting holes at the same time by considering the influence factors of blasting circuit and the principle of probability statistics to calculate the reliability values.