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CONSOLIDATION OF CLAY LAYER: HYDROGEOLOGIC BOUNDARY CONDITIONS. TECHNICAL NOTE

R. L. Schiffman, Joe McArthur, R. E. Gibson

Open publisher page 3 citations

Abstract

The authors reveal the results of a nonlinear, finite-strain consolidation analysis of a clay layer that has been subjected to underdrainage at its base. The steady-state pore-water pressure cannot be defined until the end of consolidation due to the nonlinearity of the soil properties. In addition, the steady-state reference pore-water pressure at the beginning and end of consolidation are different when the clay layer is loaded by a surcharge. Finally, the authors discuss the use of excess pore-water pressure as the dependent variable in a consolidation analysis.

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What this paper is about

The authors reveal the results of a nonlinear, finite-strain consolidation analysis of a clay layer that has been subjected to underdrainage at its base. The steady-state pore-water pressure cannot be defined until the end of consolidation due to the nonlinearity of the soil properties. In addition, the steady-state reference pore-water pressure at the beginning and end of consolidation are different when the clay layer is loaded by a surcharge. Finally, the authors discuss the use of excess pore-water pressure as the dependent variable in a consolidation analysis.

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Available abstract

The authors reveal the results of a nonlinear, finite-strain consolidation analysis of a clay layer that has been subjected to underdrainage at its base. The steady-state pore-water pressure cannot be defined until the end of consolidation due to the nonlinearity of the soil properties. In addition, the steady-state reference pore-water pressure at the beginning and end of consolidation are different when the clay layer is loaded by a surcharge. Finally, the authors discuss the use of excess pore-water pressure as the dependent variable in a consolidation analysis.

Key concepts: Consolidation (business), Pore water pressure, Geotechnical engineering, Hydrogeology, Geology, Business, Accounting

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