(Received 22 January 1996; accepted 12 September 1997)
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Triaxial shear tests on cohesive soils involve many sources of error. The membrane compliance, membrane resistance, and variations in cross-sectional area during testing are of significance in evaluating test results, especially when the test is conducted under low stress level conditions. The methods of correction to account for these three sources of error are briefly described and an overall correction procedure based on the soil behavior observed during the testing is developed. It is found from correction results that ignorance in making corrections accounting for the three above-mentioned effects will either overestimate or underestimate shear strength of the soil by as much as 30%.
Graduate Research Assistant, School of Civil Engineering and Environmental Science, University of Oklahoma, Norman, OK
Senior Project Engineer, Woodward-Clyde Consultants, Denver, CO
Stock #: JTE12002J