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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。
The blasting seismic vibration signals were observed, analyzed and processed by using YBJ 1 blasting vibration self-recording system and CRAS random signal and vibration analysis software package, and the empirical formula of blasting seismic wave attenuation was obtained. Combining blasting site practice and embankment protection requirements It is suggested that blasting should be carried out strictly according to safety control parameters. Finally, the problem of liquefaction of blasting earthquakes by embankments is also discussed.