【摘要】 宁夏大峰矿硐室爆破一次装药5.5kt,震感不及平常10t炸药爆破强烈,大量监测数据显示,振动实测值普遍小于计算値。文中分析了爆破振动测试结果及造成硐室大爆破振动偏小的主要三种原因,并对这三种可能因素的影响程度一一做了引证,指出了其中引起振动偏小的最主要原因。更多还原

【Abstract】 The vibration of 5.5 kt chambers blasting in Ningxia Dafeng is less than that of 10 t as usually;lots of test data display that vibration velocity of test less than the estimated.Test results of vibration velocity are analyzed and three main reasons that caused vibration so small are analyzed individually.Finally,the possible reason which caused vibration low is put forward.更多还原