Table 1 Experimental material ratio.

From: Interaction law between mining stress and fault activation and the effect of fault dip angle in longwall working face

Lithology

Ratio (sand, lime, gypsum)

Sandy mudstone

27:1:5

Fine sandstone

40:1:7

Medium sandstone

13:1:2

Coal seam

14:2:1

Mudstone

13:2:1

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