The Role and Influence of Clay Fraction of Marly Soils on their Geotechnical and Geoenvironmental Performance
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Published:2001
V. R. Ouhadi, R. N. Yong, 2001. "The Role and Influence of Clay Fraction of Marly Soils on their Geotechnical and Geoenvironmental Performance", Geoenvironmental Engineering: Geoenvironmental Impact Management: Proceedings of the third conference organized by the British Geotechnical Association and Cardiff School of Engineering, Cardiff University, and held in Edinburgh on 17–19 September 2001, R. N. Yong, H. R. Thomas
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This paper focuses attention on some basic aspects of the role and influence of the clay fraction in marly soils (palygorskite and sepiolite) on marl behaviour. The clay fraction of marl is most often dominated by palygorskite and/or sepiolite. It is the performance of these clay soil fractions that are the root cause of many of the problems encountered in the use of such soils as load bearing materials. In this paper some geotechnical and geoenvironmental aspects of marl behaviour are investigated, and a new definition and classification of marly soils is presented. It is concluded that the presence of palygorskite or sepiolite in marly soils will control the geoenvironmental and geotechnical behaviour of such soils.
INTRODUCTION
MATERIALS AND METHODS
ROLE OF MARL COMPONENTS UPON ITS BEHAVIOUR
TOTAL RELEASIBLE ALUMINA AND SILICA OF CLAY MINERALS
NEW DEFINITION AND CLASSIFICATION OF MARLY SOILS
CONCLUDING REMARKS
REFERENCE
