Table 1 Basic physical parameters of rock.

From: Acoustic emission characteristics and energy evolution law of rock damage process of different pore structures under cyclic loading

Lithologic characters

Numbering

Height/mm

Diameter/mm

Density/g cm−3

Longitudinal wave velocity/(m/s)

Average velocity/(m/s)

Limestone

A-1

99.70

50.34

2.74

6207.34

6216.70

A-2

99.84

49.40

2.74

5997.50

A-3

99.66

49.40

2.73

6287.36

A-4

99.80

50.10

2.71

6322.74

A-5

99.60

49.50

2.72

6278.18

A-6

100.00

50.00

2.75

6207.07

Granite

H-1

98.30

50.10

2.61

3549.05

3436.82

H-2

98.80

50.06

2.60

3547.16

H-3

98.70

50.10

2.61

3536.34

H-4

100.30

50.36

2.61

3435.29

H-5

100.00

50.44

2.60

3425.76

H-6

99.90

50.10

2.58

3127.30

Red sandstone

S-1

99.30

49.72

2.27

2815.29

2891.07

S-2

98.54

49.82

2.19

2790.58

S-3

98.60

49.82

2.27

2844.59

S-4

99.10

49.90

2.25

2956.19

S-5

99.12

49.90

2.17

2972.22

S-6

98.90

49.92

2.23

2967.55