Application of Creep Ratio Concept for Estimating Post-Constriction Settlement of Deep Soft Clay Deposits
- Curtin University
- Publication Type:
- Conference Proceeding
- ICAGE 2011 - Proceedings of the International Conference on Advances in Geotechnical Engineering, 2011, pp. 127 - 133
- Issue Date:
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Two main different approaches have been previously proposed to predict time dependent behaviour of soft soils. (I) end of primary consolidation is unique although creep starts simultaneously with primary consolidation (Hypothesis A); (II) As creep and primary consolidation commence at the same time and creep is a time dependant phenomenon, then end of primary consolidation cannot be unique (Hypothesis B). In Hypothesis A, soil settlement is divided into two parts: primary consolidation and secondary compression which follows by primary consolidation. In Hypothesis B, soil settlement is estimated based on elasto-viscoplastic constitutive model simulating soil creep and consolidation settlement simultaneously. In this study, details of first approach based on creep ratio ( ) concept is discussed with a worked example to be used by practicing geotechnical engineers.
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