Serial number

Anchorage length/cm

Strength of surrounding rock/MPa

Temperature/˚C

Lateral pressure coefficient

1

16

3

30

0.8

2

48

3

45

1

3

32

3

60

1.2

4

32

6

30

1.2

5

16

6

45

1

6

48

6

60

0.8

7

32

9

45

0.8

8

16

9

60

1.2

9

48

9

30

1