New Chemical Grouting Materials and Rapid Construction Technology for Inclined Shaft Penetrating Drift-Sand Layer in Coal Mine
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DOI: 10.1155/2018/2797419
Abstract: Drift-sand layer is a common weak stratum in mine construction. The construction of the shaft passing over the drift-sand layer is very difficult. Traditional construction method faces many problems such as long construction period, high… read more here.
Keywords: construction; sand; sand layer; drift sand ... See more keywords