立井井筒爆破安全评估及爆破参数优化研究  

Safety assessment and parameter optimization of shaft blasting

作　　者：李斌 彭建臣 LI Bin;PENG Jianchen(Shaanxi Energy Zhaoshipan Mining Operation Co.,Ltd.,Yulin 719100,China)

机构地区：[1]陕西能源赵石畔矿业运营有限责任公司,陕西榆林719100

出　　处：《陕西煤炭》2024年第5期98-103,共6页Shaanxi Coal

摘　　要：赵石畔煤矿为赵石畔煤电一体化配套煤矿,煤矿与电厂在同一工业广场布置,由于电厂先于煤矿建成投产,为防止煤矿井筒爆破开凿时产生的震动对周围建筑物及电厂设备产生影响,通过采取现场监测和理论分析相结合的方式得出与爆破地质等有关的介质参数为162,爆破地震波衰减指数为1.84,在此基础之上得到井筒在不同距离、不同药量情况下的振动速度,确定爆破设计参数的安全性,针对现有设计存在的问题和较大的富余系数对爆破参数进行优化,提升井筒爆破的科学性。Zhaoshipan Coal Mine is an integrated supporting coal mine of Zhaoshipan Coal and Electricity.The coal mine and the power plant are arranged in the same industrial square.Because the power plant is built and put into operation before the coal mine,in order to prevent the vibration generated by the blasting excavation of the coal mine shaft from affecting the surrounding buildings and power plant equipment,through the combination of field monitoring and theoretical analysis,it is concluded that the medium parameters related to blasting geology are 162,and the attenuation index of blasting seismic wave is 1.84.On this basis,the vibration velocity of the shaft at different distances and different doses is obtained,and the safety of blasting design parameters is determined.In view of the problems in the existing design and the larger surplus coefficients,the blasting parameters are optimized,which significantly improves the scientific nature of wellbore blasting.

关 键 词：煤电一体化 井筒爆破 装药量 振动速度 

分 类 号：TD262[矿业工程—矿井建设]