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STUDY THE BEHAVIOUR OF COLLAPSIBLE SOIL OF OKANAGAN VALLEY
Session: Problematic Soils and Ground Improvement III / Sols problématiques et amélioration du comportement III
Amin Bigdeli, University of British-Columbia (Canada)
Sumi Siddiqua, University of British-Columbia (Canada)
Norman Williams, Interior Testing Services Ltd. (Canada)
Problematic soil is divided into dispersive, swelling, and collapsible soil. The latter is the most common type of problematic soil which can be found in vast areas of Okanagan valley. Present study is mainly focused on predicting the collapse potential and analyzing the properties of collapsible soil throughout two case studies. In each case, the collapse potential was obtained in three different ways (densometer, Gibbs theory, and consolidation machine) and compared with each other. This paper has proved that in all case studies the collapse potential of soil measured through different methods are in agreement with each other. Moreover, the collapsibility of the soil is highly dependent on wet density of the soil in a way that samples with lower wet density will face higher collapse.
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