摘要
新疆达坂城矿区石灰石露天矿矿体坚硬而非均质,节理裂隙发育,爆破后易产生矿石大块,在近距离爆破振动影响下,会对邻近建筑物及地面附属设施产生破坏影响。根据地面建筑物抗震标准和岩性特点,采用分区、分段间隔孔毫秒微差分层起爆技术,控制单位起爆药量以达到减振降速目的。
Xinjiang Dabancheng mining open pit limestone mine orebody hard and heterogeneous, joint fissures, it is easy to produce bulk after blasting, under influence of near blasting vibration, will have a destructive effect on adjacent buildings and ancillary facilities. According to the seismic standards and lithology characteristics,the buildings on the ground,the partition hole millisecond interval differential delamination initiation technique, the control unit can achieve the damping speed reducing explosive quantity.
出处
《煤炭技术》
北大核心
2017年第10期104-105,共2页
Coal Technology
基金
乌鲁木齐市科技局应用开发研究计划项目资助(Y141310017)
关键词
高段陡帮
露天矿
爆破振动
high steep slope
open-pit mine
blasting vibration
