Journal
JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
Volume 134, Issue 12, Pages 1743-1756Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)1090-0241(2008)134:12(1743)
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Funding
- Ministry of the Flemish Community
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The bender element test has shown to be a reliable tool to determine the shear wave velocity. This paper aims to extend the bender element technique to also measure the material damping ratio in a triaxial cell. Three different interpretation techniques are developed for this purpose. The first technique uses a modal test of a cylindrical soil specimen in a triaxial cell, the second approach uses multiple arrivals of a bender element signal, and third, a self-correcting method using different travel paths is presented. These methods are applied on test results on undisturbed samples of a silt and a heavily overconsolidated clay, and show promising results for the assessment of the material damping ratio.
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