Crack Propagation and Fragmentation Characteristics of Single-Flawed Sandstone Samples under Different Loading Conditions

Table 3

Growth factor of dynamic strength.

Specimen number	DIF
D-0-4	1.09
D-0-5	1.01
D-0-6	1.01
D-0-7	1.45
D-0-8	1.39
D-0-9	1.28
D-0-10	1.79
D-0-11	1.82
D-0-12	1.87
D-30-4	1.01
D-30-5	1.08
D-30-6	1.03
D-30-7	1.36
D-30-8	1.45
D-30-9	1.34
D-30-10	1.88
D-30-11	1.96
D-30-12	1.94
D-45-4	1.20
D-45-5	1.24
D-45-6	1.29
D-45-7	1.37
D-45-8	1.53
D-45-9	1.59
D-45-10	1.81
D-45-11	1.98
D-45-12	1.91
D-60-4	1.40
D-60-5	1.44
D-60-6	1.54
D-60-7	1.59
D-60-8	1.71
D-60-9	1.59
D-60-10	1.79
D-60-11	1.91
D-60-12	1.94
D-90-4	1.32
D-90-5	1.40
D-90-6	1.25
D-90-7	1.37
D-90-8	1.44
D-90-9	1.57
D-90-10	1.82
D-90-11	1.91
D-90-12	1.84