Advances in Civil Engineering / 2021 / Article / Fig 7

Research Article

Study on the Retention of Large Mining Height and Small Coal Pillar under Thick and Hard Roof of Bayangaole Coal

Figure 7

The variation of stress with distance at different measuring points (ΔP-L) graph. A: 2 m, B: 4.44 m, C: 6.44 m, D: 8.44 m, E: 10.94 m, and F: 13.44 m.

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