With the construction case of shaft face pre-grouting in a gypsum mine in Henan, design and calculation, and construction technology of grouting for water block are stated, as well as the testing method for water block effect.
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段明发 刘玉蕊 吴清星.河南某石膏矿立井工作面注浆设计与施工实践[J].钻探工程,2007,34(5):27-29.DUAN Ming-fa, LIU Yu-rui, WU Qing-xing. Construction Practice on Design for Shaft Face Grouting in a Gypsum Mine in Henan[J]. Drilling Engineering, 2007,34(5):27-29.