Full- and Local-Field Strain Evolution and Fracture Behavior of Precracked Granite under Coupled Static and Dynamic Loads
Table 2
Geometric dimensions and mechanical parameters of granite specimens.
Specimen no.
Length (mm)
Height (mm)
Thickness (mm)
(MPa)
(MPa)
(MPa)
Peak strain (10−3)
Strain rate (s−1)
C-0
60.28
45.44
15.16
20
170.31
190.31
3.20
56.29
U-0-1
60.47
45.28
15.41
20
173.34
193.34
2.82
50.08
U-0-2
60.55
44.62
15.40
20
168.57
188.57
—
53.58
U-0-3
60.51
45.35
15.17
20
165.25
185.25
2.66
55.95
U-30-1
60.4
45.45
15.40
20
112.10
132.1
1.98
58.19
U-30-2
60.14
44.53
15.50
20
125.69
145.69
1.17
53.36
U-30-3
60.16
44.54
15.44
20
133.84
153.84
1.49
59.32
U-45-1
59.89
45.28
14.02
20
110.02
130.02
1.75
57.23
U-45-2
60.23
44.49
15.43
20
106.97
126.97
1.80
59.43
U-45-3
60.15
45.40
15.54
20
118.14
138.14
1.78
55.13
U-60-1
60.13
45.08
13.93
20
—
—
—
—
U-60-2
60.10
45.11
15.50
20
123.50
143.50
1.91
55.43
U-60-3
60.11
45.10
15.47
20
121.33
141.33
2.10
62.10
U-90-1
60.35
45.24
15.61
20
133.54
153.54
2.17
47.24
U-90-2
60.46
45.45
14.15
20
—
—
—
—
U-90-3
60.54
45.24
15.46
20
138.77
158.77
1.90
57.44
Note: is the axial static pressure, is the dynamic strength, and is the combined strength. The symbol “—” indicates that the data are eliminated for the specimen owing to large deviation.
