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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2021
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Article
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Tab 4
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Research Article
Determination of the Ultimate Underground Mining Depth considering the Effect of Granular Rock and the Range of Surface Caving
Table 4
The values of the engineering parameter in the southeast mining area.
Parameter
(°)
(°)
(°)
(°)
(°)
(kN/m³)
(kN/m³)
H
0
(m)
H
c
(m)
Value
15
0
70
23
70
27
20
40
32