Strength degradation and critical state seeking behaviour of lime treated soft clay

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Title Strength degradation and critical state seeking behaviour of lime treated soft clay
Author Balasubramaniam, Aramugam; Buessucesco, B; Oh, Yan-Nam Erwin; Bolton, Mark William; Bergado, D.T; Lorenzo, G.A
Publication Title Deep Mixing 05, International Conference on Deep Mixing - Best Practice and Recent Advances
Editor K. Rainer Massarsch et al.
Year Published 2005
Place of publication Sweden
Publisher Swedish Deep Stabilization Research Centre
Abstract Traditionally, unconfined compression tests are carried out on lime and cement treated soft clays with parametric variation of the additive content and curing time. These studies were most valuable in having a good understanding on the pseudo modulus and strength of the treated clays. In this paper, some pioneering works carried out under triaxial undrained, drained and isotropic and anisotropic consolidation conditions are presented and discussed within the frame work of using deviator stress, mean normal stress and voids ratio (or water content); the so-called state boundary surface and the associated stress-strain behaviour. The results clearly illustrate the effect of additive content and the curing time in the development of pore pressure and shear strain under undrained condition and the volumetric strain and shear strain during the drained case. The dilatancy ratio seems to be similar to the untreated behaviour while the development of pore pressure is suppressed and also the volumetric strain under the drained condition. The treated strength lies between those of the critical state and the tensile fracture envelope. Strength degradation beyond the peak is also illustrated with continuous shear.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.swedgeo.se/sd/
Alternative URI http://www.swedgeo.se/sd/dm05.asp
ISBN 1402-2036
Conference name International Conference on Deep Mixing - Best Practice and Recent Advances
Location Stockholm, Sweden
Date From 2005-05-23
Date To 2005-05-25
URI http://hdl.handle.net/10072/2687
Date Accessioned 2006-02-01
Date Available 2009-10-05T05:55:18Z
Language en_AU
Research Centre Centre for Infrastructure Engineering and Management
Faculty Faculty of Engineering and Information Technology
Subject PRE2009-Geotechnical Engineering
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

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