Research Article

Research on Failure Characteristics and Zoning Control Technology of Thick-Soft Surrounding Rock for Deep Gob-Side Entry Retaining

Figure 9

Variation curve of limit equilibrium zone width. (a) x0 distribution curve with the change of support strength , (b) x0 distribution curve with the change of mining height M, (c) x0 distribution curve with the change of lateral pressure coefficient A, (d) x0 distribution curve with the change of maximum stress concentration factor (k), (e) x0 distribution curve with the change of coal-rock interface cohesion c0, and (f) x0 distribution curve with the change of internal friction angle of coal-rock interface φ0.
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