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1 常规大爆破实测数据
Table 1 Measured data of conventional large blasting
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
11 210325.9756.5658.40212.223
21 210604.6953.7535.3738.062
31 2101041.4712.8341.6223.581
41 2101531.3981.071.5572.350
51 2102011.2090.9530.8451.756
6909575.7564.8526.71210.086
79091074.2583.9153.8536.950
89091511.1821.1871.5702.296
99091991.0690.6630.8301.507