Analysis of Consolidation Behavior of Mica Dam

by Zdenek Eisenstein, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Alberta, Edmonton, Alberta, Canada,
Steven T.C. Law, (A.M.ASCE), Project Engr.; Northern Engrg. Services Ltd., Calgary, Alberta, Canada; formerly, Grad. Stud., Dept. of Civ. Engrg., Univ. of Alberta, Edmonton, Alberta, Canada,

Serial Information: Journal of the Geotechnical Engineering Division, 1977, Vol. 103, Issue 8, Pg. 879-895

Document Type: Journal Paper


Deformations that occur during construction of earth dams with clay cores include a time-dependent component due to simultaneous generation and dissipation of pore pressures. A method of analysis is proposed which considers two-dimensional consolidation, effects of sequential filling and construction stoppages, and nonlinear stress-strain properties of soils. The method integrates a finite element analysis of consolidation with finite total and effective stresses. The method has been used to analyze the construction behavior of Mica Dam in Canada, which experienced time-dependent deformations due to consolidation of clay core. The calculated and observed pore pressures and settlements agreed reasonably well.

Subject Headings: Soil analysis | Soil deformation | Construction methods | Consolidated soils | Stress analysis | Finite element method | Dams | Soil pressure | Canada

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