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Shock and Vibration
/
2020
/
Article
/
Tab 8
/
Research Article
Dynamic Fracture Experiment of Fractured Rock under Dynamic Loading
Table 8
Crack initiation angle
θ
(°).
Loading rate (m/s)
a
b
c
9.7
60
23
90
10.6
35
32
85
11.4
51
8.5
65
12.2
65
30
91
12.8
51
91
86