Research Article

Experimental and Theoretical Study on Influence of Different Charging Structures on Blasting Vibration Energy

Table 1

Peak vibration velocity of different charging structures at measuring points (cm/s).

Charging structureProportional distance

Coupling charging4.28114.36111.76919.66620.1806.614~25.986
8.5614.1360.0037.6527.9362.339~10.554
12.8423.1433.2443.4304.7481.273~6.230

Air-decoupling charging13.9221.3052.1551.8142.5610.962~4.888
14.2281.7531.0031.1082.4810.932~4.754
18.5730.6670.0031.9241.9910.625~3.363
21.3411.3600.7570.8881.7920.507~2.806
23.2081.2101.2420.9621.6710.447~2.516
30.8261.0960.6770.7671.2370.292~1.740

Water-decoupling charging12.7471.1031.9522.4832.6541.099~5.484
16.9950.5741.3200.9431.6180.714~3.773
25.4930.5340.0031.1191.1700.388~2.227