Soil Properties Evaluation from Centrifugal Models and Field Performance


Book Description

Proceedings of a session at the ASCE National Convention, held in Nashville, Tennessee, May 10, 1988. Sponsored by the Geotechnical Engineering Division of ASCE. This Geotechnical Special Publication contains eight papers on the evaluation of soil property values. The performance of geotechnical projects is dependent upon the appropriateness of the design theory to the boundary conditions and the characterization of the soil properties used in the theory. These papers assess the reliance of soil property values as verified by field or centrifugal model observations. The papers on centrifugal modeling examine slope stability assessment due to phreatic surface elevations and surcharge loadings on the slope crest. Centrifugal modeling was also used to evaluate settlements and capacities of shallow footings and large deformation consolidation of waste clays. Field performance papers discuss pile load test verification of designs based upon in situ tests. In addition, in situ tests were used to characterize seismic resistance, while visual observations evaluated braced cut performance.







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Clays in the Minerals Processing Value Chain


Book Description

Clays are increasingly becoming a major problem in the mining, extraction and value-adding processes for a wide range of commodity raw materials. Clays can impact negatively on virtually every unit process within the mining and minerals processing sector, having long-term environmental implications that go well beyond the lifetime of the mining operation. This book is the first to compile, explain and evaluate the effects of clays in the mineral processing value chain, from mining to minerals processing, and finally, tailings disposal. Focusing on topics from the chemistry and rheology of clays to their detection and dissolution behaviour, this book provides comprehensive coverage of the effects on processes such as settling, preg-robing, flotation and comminution. It is an excellent reference for professional mineralogists and geologists, industrial engineers, and researchers interested in clays and clay minerals.