Table 2 Specimen number and test results.

From: Acoustic emission characteristics and damage evolution of different rocks under uniaxial compression conditions

Rock types

Sample No

USC (MPa)

E (GPa)

BI

Value

Average

Value

Average

Value

Average

Yellow sandstone

YS-1

38.3

38.0

6.0

5.8

0.68

0.67

YS-2

36.6

5.4

0.66

YS-3

39.1

6.2

0.68

White sandstone

WS-1

69.8

70.1

11.3

11.3

0.87

0.88

WS-2

68.3

10.3

0.89

WS-3

72.1

12.3

0.87

Marble

M-1

52.3

51.6

13.3

13.3

0.62

0.60

M-2

49.3

12.4

0.60

M-3

53.1

14.2

0.59

Limestone

L-1

45.1

45.5

8.8

8.6

0.71

0.71

L-2

48.2

8.1

0.70

L-3

43.2

9.0

0.71

Back to article page