Conclusions
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1.
An analysis of the existing methods of protecting concrete shows that facing the upstream face of a concrete dam is one of the effective measures to eliminate undesirable consequences of cracking and seepage.
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2.
The use of a facing minimizes the total seepage discharges through the structure and reduces the design requirements imposed on solidity, quality, and grade of concrete.
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3.
The most promising type of facing is a facing of cast asphaltic concrete with a lightweight aggregate, since in addition to increased waterproofing properties it has good heat insulating properties, which permits its use as a permanent warm formwork during the construction period.
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4.
A cast asphaltic-concrete facing allows the possibility of self-healing of seeping cracks in the event they occur and, if necessary, repair during operation without drawing down the head on the structure.
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Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 6, pp. 1–5, June, 1986.
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Davidenko, V.M., Davidenko, G.A. & Kargin, G.M. Protection of the concrete of hydraulic structures from the effects of temperature and moisture. Hydrotechnical Construction 20, 293–299 (1986). https://doi.org/10.1007/BF01424358
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DOI: https://doi.org/10.1007/BF01424358