Research Article
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 4
Relationship between geometric physical characteristics of key blocks and strata behavior of working face in steeply dipping coal seam. (a) The relationship between key block length L and T1 and T2. (b) The relationship between the thickness H of the key block and T1 and T2. (c) The relationship between the weight G of key blocks and T1 and T2.
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