Page 267 - Analysis and Design of Energy Geostructures

242 Analysis and Design of Energy Geostructures

Figure 5.27 Influence of temperature on the critical state line of kaolin in the volumetric plane.
Redrawn after Cekerevac, C., Laloui, L., 2004. Experimental study of thermal effects on the mechanical
behaviour of a clay. Int. J. Numer. Anal. Methods Geomech. 28 (3), 209 228.

Figure 5.28 Critical state line for kaolin clay in the deviatoric plane at different temperatures.
Redrawn after Cekerevac, C., Laloui, L., 2004. Experimental study of thermal effects on the mechanical
behaviour of a clay. Int. J. Numer. Anal. Methods Geomech. 28 (3), 209 228.

Di Donna and Laloui, 2015). This result indicates a faster consolidation at higher tem-
perature (Di Donna and Laloui, 2015). Data supporting the sensitivity of the primary
consolidation coefficient to temperature are reported in Fig. 5.29 with reference to
the results of Di Donna and Laloui (2015).
Based on the knowledge of the primary consolidation coefficient and the oedometric
modulus, the hydraulic conductivity, k, can be calculated. Similar to the primary