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Table 5 Loading grades in Model 3 (MPa)

From: Effect of bolting on roadway support in extremely weak rock

Grade

Vertical load

Side load

Grade

Vertical load

Side load

1st

0.1

0.18

8th

0.8

1.04

2nd

0.2

0.36

9th

0.9

1.14

3rd

0.3

0.54

10th

1.0

1.24

4th

0.4

0.64

11th

1.1

1.34

5th

0.5

0.74

12th

1.2

1.44

6th

0.6

0.84

13th

1.3

1.54

7th

0.7

0.94

14th

1.4

1.64