In SITU and Laboratory Determinations of Shear and Young's Moduli for the Portsmouth, Ohio, Gaseous Diffusion Add-on Site.
Final rept. Nov 76-Dec 77,
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS
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A field geophysical investigation was performed to determine the shear and Youngs moduli as a function of depth for a site near Portsmouth, Ohio. This investigation included crosshole, downhole, and surface refraction investigation technqiues. A supplementary set of laboratory resonant column tests was performed with the Drnevich resonant column device. Laboratory undisturbed specimens were excited in both the longitudinal and torsional modes to obtain both Youngs and shear moduli as a function of strain. Both laboratory and field data are presented and compared.
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