Analysis of Soil-Stress Cell Interaction

by David A. Van Deusen, Univ of Minnesota, Minneapolis, United States,
David E. Newcomb, Univ of Minnesota, Minneapolis, United States,



Document Type: Proceeding Paper

Part of: Cold Regions Engineering

Abstract:

Static loading experiments conducted on a soil stress cell embedded in a sand are presented. Stress cell performance was evaluated by comparing the indicated stress against the expected stress in uniaxial loading tests. The results were analyzed using an indentation analogy. The objectives were to characterize the response of the stress cell as a function of the load-dependent stiffness of the soil in which it was embedded. Results indicated that (1) cell registration is a function of the stiffness of the soil into which it is embedded, and (2) the existing linear elastic indentation analogy may need to be modified to account for nonlinearities in soil stiffness.

Subject Headings: Soil stress | Load tests | Static loads | Load factors | Stiffening | Soil analysis | Soil tests

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