Type I Fracture Toughness Test of Rock-like Materials Based on the Particle Flow Method
Table 4
Test results of fracture toughness under different loading rates.
Loading rate
0.05 m/s
0.01 m/s
0.002 m/s
SC3PB
1.04
0.92
0.88
CCNBD
1.19
1.13
1.11
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