Advances in Civil Engineering / 2019 / Article / Fig 4

Research Article

Analysis of Factors Influencing Stability of Overlying Soil Layer on Thin Bedrock Based on Crack Development-Closure Test

Figure 4

Failure process of the overlying soil layers of thin bedrock: (a) natural state; (b) coal seam mining out ⟹ thin bedrock collapses or fractures ⟹ supporting space decreases and soil layer subside; (c) overlying soil layers recompact on the collapsed thin bedrock.
(a)
(b)
(c)

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