Abstract
1. The calculations showed that in the construction period the maximum axial tensile strains occur in the lower part of the facing in the zone of abutment of the downstream slope of the dam to the foundation. They are practically independent of the scheme of constructing the dam and sequence of filling the reservoir. This makes it possible to place the facing during construction of the dam and to fill the reservoir as the facing is being placed. 2. The maximum tensile strains of the facing caused by a seismic load are localized in the upper 6-m zone. They can reach 2.2–3.5% for peak accelerations of the seismic action of 10–15 m/sec2. The additional tensile strains in the lower part of the facing for these aclerations do not exceed 0.5%. 3. Earth dams with a facing have a high seismic stability. When an impervious facing is provided they can withstand a seismic action with a peak acceleration of 10–15 m/sec2.
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