Table 1 Basic properties parameters of rock samples.

From: Macro-micro fracture mechanism and acoustic emission characteristics of brittle rock induced by loading rate effect

Samples

Weight

(g)

Height

(mm)

Diameter

(mm)

Density

(g·cm− 3)

Wave velocity

(m·s− 1)

Peak stress

(MPa)

Peak

strain

Ra

(mm/s)

A1

414.39

99.56

50.01

2.12

3252.11

48.32

0.0074

2 × 10− 3

A2

423.17

98.46

50.10

2.19

3351.92

58.57

0.0081

A3

428.25

99.15

50.01

2.20

3092.40

41.27

0.0078

B1

424.24

100.10

50.02

2.16

3142.81

58.51

0.0120

4 × 10− 3

B2

429.83

100.01

50.00

2.19

3262.73

56.09

0.0126

B3

416.05

100.01

49.88

2.13

3312.54

71.06

0.0119

C1

415.66

98.59

49.98

2.15

3297.60

65.45

0.0125

6 × 10− 3

C2

423.22

99.84

50.00

2.16

3642.16

79.20

0.0118

C3

458.94

99.98

49.99

2.34

3254.87

69.72

0.0144

D1

432.89

99.89

49.98

2.21

3268.47

75.98

0.0147

8 × 10− 3

D2

412.68

100.02

48.99

2.19

3461.54

73.07

0.0162

D3

417.93

99.98

50.05

2.13

3366.75

77.03

0.0141