Research Article
Analysis of Stress Asymmetric Distribution Law of Surrounding Rock of Roadway in Inclined Coal Seam: A Case Study of Shitanjing No. 2 Coal Seam
Figure 12
Stress-strain curves of the roof surrounding the rock. (a) 18°. (b) 21°. (c) 24°. (d) 27°.
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(b) |
(c) |
(d) |