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Modulus of elasticity of Leda clay from field measurements
Construction of Ottawa Sewage Treatment Plant provided opportunity to measure bottom heave in 2 large excavations in clay; with gages installed prior to excavation, elastic heave, swelling, and heave due to pile driving were measured in excavation 31.5 ft deep; using Poisson's ratio of 0.4, modulus of elasticity determined from field measurements compared favorably with initial tangent modulus from best unconfined compression strength tests; in other excavation drop in groundwater table produced elastic settlement that exceeded elastic heave resulting from unloading by excavation.
Modulus of elasticity of Leda clay from field measurements
Construction of Ottawa Sewage Treatment Plant provided opportunity to measure bottom heave in 2 large excavations in clay; with gages installed prior to excavation, elastic heave, swelling, and heave due to pile driving were measured in excavation 31.5 ft deep; using Poisson's ratio of 0.4, modulus of elasticity determined from field measurements compared favorably with initial tangent modulus from best unconfined compression strength tests; in other excavation drop in groundwater table produced elastic settlement that exceeded elastic heave resulting from unloading by excavation.
Modulus of elasticity of Leda clay from field measurements
Can Geotechnical J
Bozozuk, M. (author)
1963
9 pages
Article (Journal)
English
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