Study on stability of surface mine slope influenced by underground mining below the endwall slope

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Abstract

Aiming at the practice of the uniting of surface mining and underground mining and the interaction, the thin plate model of mined slope was established with the influence analysis of underground mining to slope, distortion and stress distribution law studied. Combining the rock characteristic in practice, the modified method was put forward. Basing on the roof breaking law of mined slope, the calculating method of slope stability coefficient and the minimum width of protecting coal pillar was elicited. Subsequently the paper took the united mining practice of AnJiaLing surface mine as example to study the subsidence law of roof and the influence of mined 902 working face to surface mine slope. The research conclusion indicated that the deformation and subsidence of overlying strata is obvious, and it has a clear lag. The distortion of mined slope under open-pit and underground mining was drew from strata angle alter evoked from ceiling distortion, which can be used as the theory sustainment to stabilization of mined slope under open-pit and underground mining. © 2011 Published by Elsevier Ltd.

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APA

Peng, H., Cai, Q., Zhou, W., Shu, J., & Li, G. (2011). Study on stability of surface mine slope influenced by underground mining below the endwall slope. In Procedia Earth and Planetary Science (Vol. 2, pp. 7–13). Elsevier B.V. https://doi.org/10.1016/j.proeps.2011.09.002

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