Stress Analysis of Dummy Rod Method for Sand Specimens

by Han-Chin Wu, Prof.; Coll. of Engrg., Univ. of Iowa, Iowa City, Iowa 52242,
G. S. Chang, Structure Design Engr.; Tex-Ark Joist Co., Hope, Ariz. 71801,

Serial Information: Journal of the Geotechnical Engineering Division, 1982, Vol. 108, Issue 9, Pg. 1192-1197

Document Type: Journal Paper


Stress analysis is performed for sand specimens with metal core under hydrostatic compression. It is shown that the stress state in such samples is not isotropic. The effect of membrane penetration is underestimated by such methods. The implications of this finding are examined.

Subject Headings: Stress analysis | Rods | Soil analysis | Soil stress | Soil compression | Metals (material) | Hydrostatics | Isotropy

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