Research Article
Study on the Application of Gob-Side Entry Retaining via Roof Cutting under the Condition of a Hard Thick Roof
Figure 13
Law of stress evolution: (a) full field stress under traditional condition, (b) stress under the condition of roof cutting, (c) side abutment pressure comparison, and (d) advance stress comparison.
(a) |
(b) |
(c) |
(d) |