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A New Approach for Evaluating the Ductility, Volumetric Stiffness, and Permeability of Cutoff Wall Backfill Materials

The use of plastic concrete for cutoff walls in dams for remediation of seepage issues has become more widely used in the past 25 years, however, the in-situ material properties are still not well understood. The research presents a new testing procedure that combines two existing testing methods, triaxial shear and permeability testing. By developing this laboratory testing method, material properties of the cutoff wall backfill material can be more accurately examined and explained using changes in the permeability of the material to discern the ductility and stiffness.

Identiferoai:union.ndltd.org:UTAHS/oai:digitalcommons.usu.edu:etd-8815
Date01 December 2019
CreatorsOstrowsky, Jennifer
PublisherDigitalCommons@USU
Source SetsUtah State University
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceAll Graduate Theses and Dissertations
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