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UBC Theses and Dissertations

Strain rate effects in one-dimensional consolidation of peat Baig, Khaliq Riaz


A series of one-dimensional strain rate controlled consolidation tests were performed on remolded peat to establish the void ratio - effective stress - strain rate relationship for this soil. The relationship was found to be independent of the size of sample. In addition, the void ratio - permeability relationship was also determined and was found to be independent of both the strain rate and the size of the sample. From these relationships the behaviour of any size sample subjected to incremental loading was predicted in terms of the time - settlement and the time - pore pressure curves. These predictions included both 'primary' and 'secondary' settlement. The comparison of observed and predicted time - settlement and time - pore pressure curves was found to be in close agreement.

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