Waste Phosphatic Clay Disposal in Mine Cutsr

by Frank Somogyi, Northwestern Univ, Evanston, IL, USA,
W. David Carrier, III, Northwestern Univ, Evanston, IL, USA,
James E. Lawyer, Northwestern Univ, Evanston, IL, USA,
Jay F. Beckman, Northwestern Univ, Evanston, IL, USA,



Document Type: Proceeding Paper

Part of: Sedimentation Consolidation Models?Predictions and Validation

Abstract:

Research was undertaken to assess the applicability of waste clay disposal back into phosphate mine cuts. The pit was monitored for two years with measurements of clay surface elevation, boundary piezometric levels, solids content and pore pressure distribution. Material characterization included compressibility and permeability. A quasi-two-dimensional finite strain model was developed.

Subject Headings: Phosphate | Clays | Waste disposal | Mine wastes | Mathematical models | Soil pressure | Pressure distribution

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