Evaluation of Compressibility, Anisotropy and At-rest Lateral Earth Pressure in Champlain Sea Clays
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An experimental study is undertaken to evaluate the characteristics of the sensitive Champlain Sea clay. Undisturbed samples obtained from a site in Ottawa were trimmed along both the vertical and horizontal orientations for consolidation and simple shear tests. The results of the one-dimensional consolidation tests indicate that the vertical orientation has greater preconsolidation pressures than the horizontal orientation. The ratio of the horizontal to vertical preconsolidation pressure varies from 0.71 to 0.95. Consolidation along the horizontal orientation leads to higher (1% to 23%) compression indices than those in the vertical orientation. The values of the coefficients of consolidation and permeability in the horizontal orientation are found to be larger than those in the vertical orientation, and the ratios of both coefficients of consolidation and permeability in the horizontal orientation to that in the vertical orientation evolve as the effective vertical stress increases.
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Copyright © 2014 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2014
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alshawmar-evaluationofcompressibilityanisotropyandatrest.pdf | 2023-05-04 | Public | Download |