ABSTRACT

Long term settlement is an important design criterion for the structures to be placed on the rock fills on soft clay seabed. The observed initial settlements rates do in many cases deviate from the consolidation theory. This deviation may partly be caused a viscous flow of soft clay in to the voids of the rock fill contributing to the initial settlement. A theoretical model for this mechanism and back calculation of lab tests and field observations is presented in this paper.

Keywords:
settlement, permeability, viscosity, long term settlement, offshore rock fill, shear strength, flow process, penetration, particle, porosity
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2013. International Society of Offshore and Polar Engineers
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