Conclusions
1. Plugging clay-cement grouts made from ordinary portland cement are sufficiently stable under the action of extremely aggressive sulfate media, and their use for compacting karstic soil bases can be recommended.
2. The sulfate resistance of all grouts increases significantly as a result of addition to them of Na2SO4 · 10 H2O in the amount of 2% with respect to the binder mass.
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Scientific-Research Institute of Bases and Underground Structures. Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 5, pp. 21–24, September–October, 1986.
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Sokolovich, V.E., Turchin, V.V. Sulfate resistance of plugging grouts. Soil Mech Found Eng 23, 199–204 (1986). https://doi.org/10.1007/BF01711890
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DOI: https://doi.org/10.1007/BF01711890