Coupling control on pillar stress concentration and surface cracks in shallow multi-seam mining
| Autor: | Huang, Qingxiang, Du, Junwu, Chen, Jie, He, Yanpeng |
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| Zdroj: | In International Journal of Mining Science and Technology January 2021 31(1):95-101 |
| Databáze: | ScienceDirect |
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