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Compressibility Behavior of Soft Clay Sediments
The oedometric path of normally consolidated unremolded clay sediments evolves, in the (log σ'v - IL) plane, toward a maximum point located above the Cc line (which characterizes the compression of material that has been remolded and reconstituted) highlighting "apparent" overconsolidation. Then, the curve tends to join the Cc line indicating the beginning of destruction (failure) of bonds between particles. This progressive rupture of bonds becomes complete when the path rejoins the remolded behavior in the high stress domain. This gradual transition, from unremolded behavior towards remolded behavior, has been investigated on marine sediments extracted from the Gulf of Guinea. Oedometric tests were performed on both natural (unremolded) clay samples and remolded ones. The study is supported by several microscopic observations with SEM (Scanning Electron Microscope) and mercury intrusion porosimetry.
Compressibility Behavior of Soft Clay Sediments
The oedometric path of normally consolidated unremolded clay sediments evolves, in the (log σ'v - IL) plane, toward a maximum point located above the Cc line (which characterizes the compression of material that has been remolded and reconstituted) highlighting "apparent" overconsolidation. Then, the curve tends to join the Cc line indicating the beginning of destruction (failure) of bonds between particles. This progressive rupture of bonds becomes complete when the path rejoins the remolded behavior in the high stress domain. This gradual transition, from unremolded behavior towards remolded behavior, has been investigated on marine sediments extracted from the Gulf of Guinea. Oedometric tests were performed on both natural (unremolded) clay samples and remolded ones. The study is supported by several microscopic observations with SEM (Scanning Electron Microscope) and mercury intrusion porosimetry.
Compressibility Behavior of Soft Clay Sediments
Hattab, Mahdia (author) / Hammad, Tammam (author) / Fleureau, Jean-Marie (author)
GeoShanghai International Conference 2010 ; 2010 ; Shanghai, China
2010-05-05
Conference paper
Electronic Resource
English
Compressibility Behavior of Soft Clay Sediments
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