en Geotechnique Geotechnique Technical Note Technical Note In saturated soils, heating induces thermal expansion of both grains and the pore fluid. Lower thermal expansion coefficient of aggregates results in the increase of pore pressure and reduction of the effective stress besides subsequent volume changes due to the dissipation of pore pressure and heat transfer. Dissipation of thermally induced pore pressure with time is a coupled thermo-hydro-mechanical (THM) phenomenon, involving gradients of pore pressure and temperature, hydraulic and thermal flows within the mass of soil and changes in the mechanical properties with temperature. The objective of this paper is presentation of a numerical method to determine the effect of temperature on consolidation of clays. In this regard, the finite element code, PISA is used for one dimensional THM analysis of porous media. The analysis performed using both linear elastic and elastoplastic Cam clay models. Modified Cam clay model was applied in elastoplastic analysis. Variation of temperature, displacements and pore pressure determined with time and compared with numerical solutions of other researchers. Also it was indicated that implementation of coupled THM analysis yields better results for displacements compared to the hydro mechanical (HM) one. Application of elastoplastic constitutive model instead of linear elastic one indicated that preconsolidation pressure has an important effect on results of analysis. THM analysis, Thermal consolidation, Coupled phenomenon, PISA, Finite element 80 87 http://ijce.iust.ac.ir/browse.php?a_code=A-10-499-1&slc_lang=en&sid=1 E. Lotfi lotfi.elhame@gmail.com 180031947532846006328 180031947532846006328 No Kharazmi University S. Delfan delfan.s@gmail.com 180031947532846006329 180031947532846006329 No Kharazmi University A. Hamidi hamidi@tmu.ac.ir 180031947532846006330 180031947532846006330 Yes Kharazmi University H. Shahir shahir@tmu.ac.ir 180031947532846006331 180031947532846006331 No Kharazmi University Gh. Fardi fardi@tmu.ac.ir 180031947532846006332 180031947532846006332 No Kharazmi University