Rock Type

Sample Number

P, kN

Tensile Strength, Mpa

Average Tensile Strength, Mpa

Z

6

15.12

5.62

5.37

7

14.43

5.52

8

12.62

4.75

9

17.16

6.49

10

14.58

5.42

11

11.70

4.43

D

5

16.66

6.54

6.34

6

16.35

6.51

7

17.03

6.73

8

14.56

5.70

9

16.25

6.14

10

17.72

6.53

11

16.01

6.22

A1

4

14.33

5.44

6.08

5

13.24

4.95

6

11.94

4.56

7

15.87

6.06

8

11.84

4.97

9

21.35

7.92

10

21.01

7.73

11

18.72

7.03

S2

5

14.95

6.31

5.61

6

11.87

4.56

7

14.77

5.76

8

9.23

3.96

9

17.10

6.36

10

16.33

6.71