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Preparation and Cyclic Testing of Partially Saturated Sands
A special laboratory experimental setup is described that permits preparation, and testing of large size partially saturated sand specimens. A unique liquefaction box was designed and built that has two of its walls hinged at the bottom of the box thus allowing rotation and inducing simple shear in the sample. A shaking table is utilized with the box to induce controlled shear strains in the sand specimen. Electrolysis technique was used to generate oxygen and hydrogen gases uniformly within the specimen without causing any change in the density of the loose sand. Experimental test results demonstrate that partially saturated sands have larger strength against liquefaction than fully saturated sands. Induced partial saturation can be a liquefaction mitigation measure. Further research is required to explore the technical and practical feasibility of this potential.
Preparation and Cyclic Testing of Partially Saturated Sands
A special laboratory experimental setup is described that permits preparation, and testing of large size partially saturated sand specimens. A unique liquefaction box was designed and built that has two of its walls hinged at the bottom of the box thus allowing rotation and inducing simple shear in the sample. A shaking table is utilized with the box to induce controlled shear strains in the sand specimen. Electrolysis technique was used to generate oxygen and hydrogen gases uniformly within the specimen without causing any change in the density of the loose sand. Experimental test results demonstrate that partially saturated sands have larger strength against liquefaction than fully saturated sands. Induced partial saturation can be a liquefaction mitigation measure. Further research is required to explore the technical and practical feasibility of this potential.
Preparation and Cyclic Testing of Partially Saturated Sands
Yegian, M. K. (author) / Eseller, E. (author) / Alshawabkeh, A. (author)
Fourth International Conference on Unsaturated Soils ; 2006 ; Carefree, Arizona, United States
Unsaturated Soils 2006 ; 508-518
2006-03-17
Conference paper
Electronic Resource
English
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