Research Article

Energy Dissipation and Particle Size Distribution of Granite under Different Incident Energies in SHPB Compression Tests

Table 2

Incident energy, dissipated energy, and energy consumption ratio based on measurement.

Specimen numberAir pressure (MPa)Strain rate (sāˆ’1)Consumption ratio (EA/EI (%))Incident energy EI (J)Dissipated energy EA (J)States after impact

G-10.3517.380.1133.823.57Unruptured
G-20.3721.540.0937.073.28Unruptured
G-30.4023.470.1147.935.06Unruptured
G-40.4333.950.3156.7017.66Unruptured
G-50.4634.990.2372.3916.78Unruptured
G-60.5037.110.3389.5029.20Unruptured
G-70.5035.300.2090.4518.40Unruptured
G-80.5342.920.34106.1735.65Ruptured
G-90.5547.540.34119.8740.20Ruptured
G-100.5754.020.34149.6251.49Fragmented
G-110.6050.360.28159.1144.99Fragmented
G-120.6356.380.42174.1072.65Fragmented
G-130.6553.750.41184.5775.32Fragmented
G-140.6553.100.38184.7070.28Fragmented
G-150.7060.130.49219.01106.81Fragmented
G-160.7557.010.41230.9494.63Fragmented
G-170.8064.860.49266.18130.65Fragmented
G-180.8374.380.45296.92133.60Fragmented