Abstract
The principal aim of this chapter is to describe the hydromechanical behavior of unsaturated soils based on experimental evidence. The unsaturated soils are media in which the pore space is occupied by more than a fluid, typically liquid and gas. They give rise to very characteristic types of geotechnical problem such as: the loss of strength associated with the increase in water content or degree of saturation and the damage to structure caused by the collapse for saturation induced by wetting. An appropriate description of the behavior of unsaturated soils must incorporate these fundamental effects of wetting on strength and deformation. The experimental evidence in terms of stiffness, compressibility, and strength is presented and discussed.
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Casini, F. (2016). Fundamentals of the Hydromechanical Behavior of Multiphase Granular Materials. In: Jin, C., Cusatis, G. (eds) New Frontiers in Oil and Gas Exploration. Springer, Cham. https://doi.org/10.1007/978-3-319-40124-9_14
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