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Advances in Civil Engineering
/
2019
/
Article
/
Tab 2
/
Research Article
Theoretical Investigation of the Sliding Instability and Caving Depth of Coal Wall Workface Based on the Bishop Strip Method
Table 2
The geometric parameters of coal band and the calculation results of
q
m
.
Number of coal strip (m)
h
m
(m)
(°)
q
m
(MPa)
1
3.880
66
3.36
2
3.420
67
4.21
3
2.918
69
6.40
4
2.367
71
7.79
5
1.572
73
9.42
6
1.045
75
11.35
7
0.3
78
13.62