Stability Analysis of Host Claystone under T-M Coupling of HLW Disposal Repository in China: Experiments and Numerical Simulation

Table 3

Comparison of thermal conductivity parameters between Tamusu clay rock and other clay rocks [19–22].

Claystone designation	Coefficient of heat conduction (W/mK)	Specific heat capacity (J/kgK)	Thermal diffusivity (m^2/s)
Swiss Opalinus clay	1.4-1.7	840	0.680-0.826
Belgian boom clay	Horizontal 2.33/vertical 1.77	740	Horizontal 1.3/vertical 0.99
French Callovo-Oxfordian claystone	1.47	785	0.774
Clay rock of Tamusu	1.12~1.64	610~778	0.629~0.959