Inter-laboratory comparison of wave velocity measures.

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 This paper presents an eight-laboratory comparison of compressional and shear wave velocities measured in F110 Ottawa sand. The study was run to quantify the physical property variations one should expect in heterogeneous, multiphase porous materials by separately quantifying the variability inherent in the measurement techniques themselves. Comparative tests were run in which the sand was dry, water-saturated, partially water-saturated, partially ice-saturated and partially hydrate-saturated. Each test illustrates a collection of effects that can be classified as inducing either specimen-based or measurement-based variability. The most significant variability is due to void ratio variations between samples. Heterogeneous pore-fill distributions and differences in measurement techniques also contribute to the observed variability, underscoring the need to provide detailed sample preparation and system calibration information when reporting wave velocities in porous media. 

Publication type Book
Publication Subtype Conference publication
Title Inter-laboratory comparison of wave velocity measures.
Year Published 2011
Language English
Publisher location Reston, VA
Contributing office(s) Woods Hole Coastal and Marine Science Center
Larger Work Title Proceedings of the 7th International Conference on Gas Hydrates (ICGH 2011)
Conference Title 7th International Conference on Gas Hydrates (ICGH 2011)
Conference Date July 17-21, 2011
Online Only (Y/N) N
Additional Online Files (Y/N) N
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