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Thermohydromechanical behaviour of soils and soil structure interfaces 243

Figure 5.29 Effect of temperature on the primary consolidation coefficient of fine-grained soils.
Redrawn after Di Donna, A., Laloui, L., 2015. Response of soil subjected to thermal cyclic loading: exper-
imental and constitutive study. Eng. Geol. 190 (1), 65 76.

Figure 5.30 Influence of temperature on the hydraulic conductivity of fine-grained soils. Data from
Towhata, I., Kuntiwattanaul, P., Seko, I., Ohishi, K., 1993. Volume change of clays induced by heating
as observed in consolidation tests. Soil Found. 33 (4), 170 183.

consolidation coefficient, the hydraulic conductivity of soils increases with temperature,
mainly as a consequence of the reduced viscosity of the heated water (Towhata et al.,
1993; Burghignoli et al., 2000; Delage et al., 2000; Di Donna and Laloui, 2015).

Fig. 5.30 illustrates the evolution of hydraulic conductivity with temperature, kðT 5 T Þ,