Construction Practice on Design for Shaft Face Grouting in a Gypsum Mine in Henan
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TD265.4

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    Abstract:

    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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  • Received:
  • Revised:October 23,2006
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