Abstract
Marine sediments' peak shear strength evolution depends on the consolidation pressure value. Measurements made on Gabon continental shelf samples show a specific behaviour at low strength range although shear strength tends to grow linearly with the consolidation pressure when it takes higher values. This trend corresponds with classical empirical results. Tests have been performed with œdometer cells at various confining pressures in order to quantify the peak shear strength evolution at various consolidation pressures. It is shown that one can predict the specific peak shear strength profile at any depth for a given sediment, using an accurate mathematical model.
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