Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Small-Strain Stiffness Behavior of Unsaturated Compacted Subgrade
This paper presents an experimental investigation of the small-strain stiffness behavior of an unsaturated compacted subgrade soil. The small-strain stiffness tests were performed under two testing schemes, namely as-compacted state (at the initial compaction condition during construction) and post-compacted state (service life after construction when subject to moisture regime changes). A non-destructive elastic wave propagation technique using bender elements was utilized to monitor and to evaluate the shear wave velocity and corresponding small-strain shear modulus (Go) of the compacted soil specimens. A new test apparatus was designed to control two stress state variables, the net confining pressure and the matric suction, during the Go measurements. Finally, a model was proposed for the small-strain stiffness behavior of unsaturated compacted subgrade soil.
Small-Strain Stiffness Behavior of Unsaturated Compacted Subgrade
This paper presents an experimental investigation of the small-strain stiffness behavior of an unsaturated compacted subgrade soil. The small-strain stiffness tests were performed under two testing schemes, namely as-compacted state (at the initial compaction condition during construction) and post-compacted state (service life after construction when subject to moisture regime changes). A non-destructive elastic wave propagation technique using bender elements was utilized to monitor and to evaluate the shear wave velocity and corresponding small-strain shear modulus (Go) of the compacted soil specimens. A new test apparatus was designed to control two stress state variables, the net confining pressure and the matric suction, during the Go measurements. Finally, a model was proposed for the small-strain stiffness behavior of unsaturated compacted subgrade soil.
Small-Strain Stiffness Behavior of Unsaturated Compacted Subgrade
Sawangsuriya, A. (Autor:in) / Edil, T. B. (Autor:in) / Bosscher, P. J. (Autor:in) / Wang, X. (Autor:in)
Fourth International Conference on Unsaturated Soils ; 2006 ; Carefree, Arizona, United States
Unsaturated Soils 2006 ; 1121-1132
17.03.2006
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Small-Strain Stiffness Behavior of Unsaturated Compacted Subgrade
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