Research on the Movement Law of Roof Structure in Large-Inclined Coal Seam Working Face: A Case Study in Liu.Pan.Shui. Mining Area

Figure 5

Numerical simulation test results of roof structure migration law in large-inclined coal seam. (a) Distribution characteristics of strain field of minimum parameters. (b) Distribution characteristics of maximum principal stress field of the most group parameter. (c) Distribution characteristics of the most small parameter lead direct stress field. (d) Strain field distribution characteristics of intermediate parameters. (e) Distribution characteristics of maximum principal stress field of intermediate group parameters. (f) Distribution characteristics of intermediate parameter straight stress field. (g) Strain field distribution characteristics of maximum group parameters. (h) Distribution characteristics of maximum principal stress field with maximum group parameters. (i) The distribution characteristics of the maximum group parameter lead stress field.

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