Chapter 3

The Porous-Solid Model

Eduardo Rojas

Abstract

Based on the study of the equilibrium of the particles of a soil sample subject to certain suction, in the previous chapter it was possible to establish an analytical expression for the value of Bishop´s parameter χ. This parameter can be written as function of the saturated fraction, the unsaturated fraction and the degree of saturation of the unsaturated fraction of the soil. However, the determination of these three parameters cannot be made from current experimental procedures. Therefore, a porous-solid model simulating the structure of the soil is proposed herein and used to determine these parameters. The data required to build the porous-solid model are the void ratio and the grain and pore size distributions.

Total Pages: 19-44 (26)

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