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Geological Society, London, Engineering Geology Special Publications
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Geological Society, London, Engineering Geology Special Publications; 1991; v. 7; p. 143-149;
DOI: 10.1144/GSL.ENG.1991.007.01.11
© 1991 Geological Society of London

Session 1 Glacially Derived Deposits (a) Processes and materials properties

The influence of fissures on the consolidation of a glacial till

D. Hossain1 & D. G. McKinlay2

1 Assistant Professor of Engineering Geology King Abdul Aziz University, Jeddah, Saudi Arabia
2 Emeritus Professor, University of Strathclyde, Glasgow, U.K.

The influence of fissures on the permeability, compressibility and consolidation rate properties of glacial till at three sites in and near Glasgow, Scotland has been studied. This included both the determination of the orientation and other characteristics of the fissures in the tills, both in-situ and in laboratory specimens, and measurement of the above properties by testing large specimens at various loading/drainage orientations.

Comparatively large variations in permeability and consolidation rate and small variations in compressibility were observed for specimens of different sizes and orientations of sampling and testing. The influence of fissures was found to be most marked at the lower effective stresses.