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Lookup NU author(s): Emeritus Professor Colin Jones, Professor Barry Clarke
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Super soft clays can be defined as insensitive cohesive soils that have a water content higher than the liquid limit. It is difficult to define and measure the strength of these soils using conventional soil mechanics apparatus. It is proposed that the shear strength be determined using a rotary viscometer and be defined as the shear stress at zero strain (shear strain) rate in this test of viscosity. In this paper a number of potential methods to determine the shear strength or yield stress of super soft clays is considered. The yield stress of four super soft soils, each with varying water contents, have been measured using a rotary viscometer. The results of these tests together with published data are used to develop a relationship between the yield stress and the index properties of super soft clays.
Author(s): Fakher A, Jones CJFP, Clarke BG
Publication type: Article
Publication status: Published
Journal: Journal of Geotechnical and Geoenvironmental Engineering
Year: 1999
Volume: 125
Issue: 6
Pages: 499-509
Print publication date: 01/06/1999
ISSN (print): 1090-0241
ISSN (electronic): 1943-5606
Publisher: American Society of Civil Engineers
URL: http://dx.doi.org/10.1061/(ASCE)1090-0241(1999)125:6(499)
DOI: 10.1061/(ASCE)1090-0241(1999)125:6(499)
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