Sample No.

Ks (kg/cm³)

Sample No.

Ks (kg/cm³)

1

7.2

11

8.2

2

7.3

12

7

3

7.6

13

7.9

4

7.3

14

7.6

5

6.4

15

8

6

7.4

16

6.2

7

7.6

17

6.3

8

6.8

18

6.9

9

8.5

19

7.1

10

7.3

20

7.2