FIELD: hydraulic and construction engineering. SUBSTANCE: method includes preparation of base and subsequent preparation and laying of impervious member on base. Impervious member is made of volcanic tuff plates treated with 0.5-5% aqueous solution of polyethyl hydrosiloxane (GKZh-94), and dried at temperature of 25-150 C. EFFECT: higher efficiency. 1 tbl
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0 |
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Authors
Dates
1994-09-30—Published
1991-06-03—Filed