爆炸与冲击2017，Vol.37Issue(6)：1017-1022,6.DOI:10.11883/1001-1455(2017)06-1017-06
台阶地形爆破振动放大与衰减效应研究
Amplification and attenuation effect of blasting vibration on step topography
摘要
Abstract
The present study investigates the growth and variation of the amplification effect in the propagation of the blasting vibration velocity in step topography.The results indicate that the blast vibration elevation amplification effect on a single step occurs at a certain distance and elevation;the peak particle velocity magnification of the top of the slope doesn't increase monotonously with the increase of the elevation;and the magnification decreases when the elevation exceeds a certain critical value.The elevation exerts an effect of both amplification and attenuation on the blasting vibration velocity.According to the data analysis of the numerical simulation and the field experiment,a model of the blasting vibration velocity prediction on step topography was presented,providing reference for the research of blasting seismic wave propagation law in similar slope projects.关键词
台阶地形/高程差/爆破振动/放大效应Key words
step topography/elevation difference/blasting vibration/amplification effect分类
数理科学引用本文复制引用
武旭,张云鹏,郭奇峰..台阶地形爆破振动放大与衰减效应研究[J].爆炸与冲击,2017,37(6):1017-1022,6.基金项目
国家自然科学基金项目(51604017) （51604017）
中央高校基本科研业务费专项基金项目(FRF-TP-16-017A3) （FRF-TP-16-017A3）
