The papers describe some problems of geotechnical design for example of the reservoir failure. Particular attention has been paid to the geotechnical problems of subsoil and identifies of the geotechnical parameters. For project no assessment of engineeringgeological conditions and forecasts the impact of investment and geotechnical works on the environment. The project design was performed correctly at the begins solutions. The damage of the reservoir structure has started suddenly in the final stage of implementation, immediately prior to completion of the works. No the geological and engineering informations indicates that geotechnical foundation conditions must be developed due to the requirements of Eurocode 7, and special geotechnical regulations.

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