Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Stress-Strain Behavior of a Compacted Sand-Clay Mixture
Abstract Compacted soils with high fines content are regarded as disqualified backfill materials for retaining earth structure. For economical reasons, their beneficial use warrants to be studied. In this paper, a sand-clay mixture containing 40% fines was prepared and compacted with water content at optimum, and a series of “unconventional” drained compression tests were conducted. The specimens were unsaturated specimens and the confining pressure used for the tests was from 30 kPa to 150 kPa. The volume change of unsaturated specimens was measured from radial displacements using gap sensors. The sand-clay mixtures showed a highly overconsolidated behavior and the Mohr-Coulomb failure envelope was nonlinear. The results also showed that the angle of internal friction decreased with an increase in the confining pressure, whereas the elastic modulus increased with an increase in the confining pressure.
Stress-Strain Behavior of a Compacted Sand-Clay Mixture
Abstract Compacted soils with high fines content are regarded as disqualified backfill materials for retaining earth structure. For economical reasons, their beneficial use warrants to be studied. In this paper, a sand-clay mixture containing 40% fines was prepared and compacted with water content at optimum, and a series of “unconventional” drained compression tests were conducted. The specimens were unsaturated specimens and the confining pressure used for the tests was from 30 kPa to 150 kPa. The volume change of unsaturated specimens was measured from radial displacements using gap sensors. The sand-clay mixtures showed a highly overconsolidated behavior and the Mohr-Coulomb failure envelope was nonlinear. The results also showed that the angle of internal friction decreased with an increase in the confining pressure, whereas the elastic modulus increased with an increase in the confining pressure.
Stress-Strain Behavior of a Compacted Sand-Clay Mixture
Wang, Jui-Pin (Autor:in) / Ling, Hoe I. (Autor:in) / Mohri, Yoshiyuki (Autor:in)
01.01.2007
12 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Unsaturated Soil , Matric Suction , Triaxial Compression Test , Linear Variable Differential Transformer , Optimum Water Content Physics , Soft and Granular Matter, Complex Fluids and Microfluidics , Continuum Mechanics and Mechanics of Materials , Building Materials , Geoengineering, Foundations, Hydraulics , Numerical and Computational Physics
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