Exploration and application of directional long boreholes in coal measure strata

two roadways in adjacent working face of Baode Mine may have the risk of water inrush at the same time, so it is necessary to construct long borehole to cover the roadway excavation. On the basis of the hydrogeological conditions of the mine, the safe water insulation thickness and water inrush coef...

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Bibliographic Details
Main Authors: Ke Qin, Dong Peng, Huijun Duan
Format: Article
Language:English
Published: EDP Sciences 2021-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/37/e3sconf_icemee2021_03003.pdf