Evaluation of Resonant Column Test Devices

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Abstract
Resonant column tests were performed by six participants in a program designed to evaluate results from various devices. The participants were Drnevich, Hardin, Woods, Shannon & Wilson, Inc., the U.S. Army Engineer Cold Regions Research and Engineering Laboratory, and the U.S. Army Engineer Waterways Experiment Station. Tests were performed on fine sand and clayey silt. Each participant was given more or less identical samples of material and specific instructions intended to keep the test conditions as near identical as possible. Differences in shear and compression moduli ranged from minus 19% to plus 32% of the average. These differences could be explained largely by differences in unit weight and specimen preparation techniques. No systematic differences were noted because of differences in apparatus used.

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