engleski

Geotechnical Aspects of Small Retention Dam Vir in Croatia

The small earth dam Vir is designed for the flood control of nearby town Vrbovec in middle Croatia. It should also serve as the embankment for local road connecting two villages. The foundation soil in the valley consists of several loessy silty clay layers representing relatively soft deep profile. The paper presents the choice of earth materials in zoned embankment in order to satisfy the diverse design criteria such as stringent road construction requirements, maintaining water retention function, and using local loessy clay as much as possible. The paper also present the choice of design foundation soil parameters relying on soil data in order to get more realistic estimate of settlements. The method of Reference Correlation Level was used for integration of all collected data in the unique site sedimentation sequence. The resulting geotechnical model and the range of analyses results are also discussed.

earth dam; geotechnics; cohesive soil; parameters; RNK

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