CPT based unit weight estimation extended to soft organic soils and peat
Arny Lengkeek (TU Delft - Hydraulic Structures and Flood Risk, Witteveen+Bos)
J. de Greef (Witteveen+Bos)
Stan Joosten (Student TU Delft)
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Abstract
A reliable estimate of the saturated soil weight from CPT analysis can be useful for various purposes. An often used relation that gives a reasonable first approximation is presented by Robertson & Cabal (2010). In The Netherlands very soft and highly organic soils are omnipresent and these types of soil are absent in the aforementioned relation. In this paper a new relation is proposed that can be used to estimate the saturated soil unit weight for a wider range of soils, from sands to highly organic soils.
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