Theoretical model

Article Abstract:

A pilot-scale experimental study and a theoretical and numerical modeling study were conducted on the different simultaneous processes involved during the electrokinetic extraction of lead from fine-grained soils. The principle of conservation of mass was employed. However, the control volume chosen for the formulation is questionable. Furthermore, the surface conductance of clay particles was not considered in the formulation and the electrical conduction contributed by the background electrolytes in the pore fluid was also neglected.

Soil disinfection, Soils, Soil analysis

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Numerical studies of bearing-capacity factor N(sub gamma)(supra a)

Article Abstract:

The minimum values obtained by the available different mechanisms must be considered in resolving the bearing capacity problem. This is because the exact solution of the problem can be bracketed by both the minimal upper-bound solution and the maximal lower-bound solution. However, better results are presented when these are compared with the upper-bound solution. Meanwhile, calculations made through the finite element method and the limit analysis theory have been proven effective.

Usage, Finite element method

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Design curves for prefabricated vertical drains

Article Abstract:

The accuracy and usefulness of back-analysis in designing a vertical drain system is debated, and compared and contrasted with design curves. Topics include whether the models impose too many parameters for them to be applicable and reliable.

Canada, Methods, Models, Engineering design, Drainage

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