A stress history and strain dependent stiffness of overconsolidated cohesive soil
Journal Title: Annals of Warsaw University of Life Sciences – SGGW. Land Reclamation - Year 2011, Vol 43, Issue 2
Abstract
In the last three decades an interest has grown in prediction of soil stiffness. This is mainly due to enlightened nonlinearity of constitutive characteristic in small and intermediate range of strain. In the last decade this interest has been extended on natural undisturbed soil. The paper undertakes this subject with an attention focused on Quaternary heavy overconsoldated stiff sandy clay. Series of triaxial tests on reconstituted and natural material were carried out which provided data for setting up formula for calculation Young's modulus in a wide range of strain 10-2÷1.0%, representative for working ranges in engineering applications. Stress history, in the form of yielding stress, is also accounted for.
Authors and Affiliations
Mirosław Lipiński, Małgorzata Wdowska
Keywords
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