| 摘要 |
construction engineering; erection and repair of metal (malleable cast iron) pipe lines of sewerage systems. SUBSTANCE: proposed product contains solid filler and solution of alkali metal silicate. Solid filler contains sand in the amount of from 20 to 30% by mass of binder at chemical setting due to reaction with liquid and from 4 to 10% by means of plasticizing additives. Solid filler and liquid are mixed at mass ratio of 0.35 to 0.45. EFFECT: enhanced reliability of pipe line. 14 cl, 4 dwg
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