近河堤采矿爆破的震动监测与控制

Controlling blasting ground vibration near bank

采用YBJ 1型爆破振动自记系统及CRAS随机信号与振动分析软件包对爆破地震振动信号进行了观测、分析和处理 ,得出了爆破地震波衰减经验式 ,并结合爆破现场实际与河堤防护要求建议严格按安全控制参数实施爆破 ,最后还讨论了河堤的爆破地震液化问题。

YBJ 1 blasting vibration self recording system and CRAS (The random signal and vibration analysis system) software were selected to survey, analyse and deal with the signal of blasting ground vibration. A practical equation about attenuation of blasting ground vibration wave was derived and blasting according to Safe Controlling Index was suggested. Finally, the problem on blasting vibration liquefaction under the river bank was discussed.