基于VMD-HHT的井下预裂爆破振动效应分析
李祥龙,余林,黄原明,陈浩,赵艳伟

Vibration Effect Analysis of Downhole Pre-splitting Blasting Based on VMD-HHT
Xianglong LI,Lin YU,Yuanming HUANG,Hao CHEN,Yanwei ZHAO
表2 预裂爆破测点振动速度
Table 2 Vibration velocity of pre-splitting blasting point
测点编号单响药量Q/kg爆心距R/m振动速度V/(cm·s-1
水平径向水平切向垂直方向合速度
21 404644.5472.8543.0246.162
31 4041151.9181.1401.6272.761
41 4041591.1490.8240.8861.669