CUED Publications database

Laboratory measurement of strength mobilisation in kaolin: Link to stress history

Vardanega, PJ and Lau, BH and Lam, SY and Haigh, SK and Madabhushi, SPG and Bolton, MD (2012) Laboratory measurement of strength mobilisation in kaolin: Link to stress history. Geotechnique Letters, 2. pp. 9-15.

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Abstract

This letter presents data from triaxial tests conducted as part of a research programme into the stress-strain behaviour of clays and silts at Cambridge University. To support findings from earlier research using databases of soil tests, eighteen CIU triaxial tests on speswhite kaolin were performed to confirm an assumed link between mobilisation strain (γ M=2) and overconsolidation ratio (OCR). In the moderate shear stress range (0.2c u to 0.8c u) the test data are essentially linear on log-log plots. Both the slopes and intercepts of these lines are simple functions of OCR.

Item Type: Article
Uncontrolled Keywords: Deformation Laboratory tests Plasticity Shear strength Stiffness
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Depositing User: Unnamed user with email sms67@cam.ac.uk
Date Deposited: 16 Jul 2015 13:58
Last Modified: 03 Sep 2015 03:27
DOI: 10.1680/geolett.12.00003