• Is the degree of saturation a good candidate for Bishop’s X parameter? 

    Pereira, J.M.; Coussy, Olivier; Alonso Pérez de Agreda, Eduardo; Vaunat, Jean; Olivella Pastallé, Sebastià (CRC Press, 2011)
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    In unsaturated soil mechanics, the quest for an effective stress playing the same role as Terzaghi’s effective stress does for saturated soils has introduced a long standing debate, dating back to the 1960s. Several ...