FIELD: mining. SUBSTANCE: method includes well drilling, hydrodynamic study in the well in the process of grouting. Residual water inflow is determined. For the purpose of this additional reference well is drilled. Head is measured in reference well and grouting well before grouting. Then formula is presented to determine value of residual water inflow through anti- filtering curtain. EFFECT: quality control. 3 dwg
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Authors
Dates
1996-06-20—Published
1988-08-04—Filed