The ϕu = 0 Analysis of Stability and Unconfined Compression Strength

The accuracy in determining the undrained strength of saturated cohesive soils and its sequence to the result of stability analysis are examined. As for the accuracy in determining the strength, the mechanical disturbance in the whole process from sampling to testing is found to have far greater inf...

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Bibliographic Details
Published inSOILS AND FOUNDATIONS Vol. 7; no. 2; pp. 33 - 50
Main Author Nakase, Akio
Format Journal Article
LanguageEnglish
Published Elsevier B.V 1967
The Japanese Geotechnical Society
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Summary:The accuracy in determining the undrained strength of saturated cohesive soils and its sequence to the result of stability analysis are examined. As for the accuracy in determining the strength, the mechanical disturbance in the whole process from sampling to testing is found to have far greater influence than the effect of stress release in sampling, as far as the unconfined compression strength is concerned. Three case records of failure in cohesive soils are analyzed by considering respectively the maximum, average and minimum values of measured unconfined compression strength. Results of the analysis show that the occurrence of failure can be explained reasonably by the ϕu=0 analysis, provided that the distribution of the average unconfined compression strength with depth is considered.
ISSN:0038-0806
1881-1418
DOI:10.3208/sandf1960.7.2_33