Contents

157　Editorial

　   B. G. Clarke

159　THM-Coupled Finite Element Analysis of Frozen Soil: Formulation and Application

　   S. Nishimura, A. Gens, S. Olivella and R. J. Jardine

173　Modelling of cryogenic Processes in Permafrost and Seasonally Frozen Soils

　　 H. R. Thomas, P. Cleall, Y.-C. Li, C. Harris and M. Kern-Lueschg

185  Modelling the Thermomechanical Volume Change Behavior of Compacted Expansive Clays

        A,-M. Tang and Y.-J. Cui

197　Expaining Thermal Failure in Saturated Clays

　　 T. Hueckel, B. François and L. Laloui

213　A New Approach for Assessing Geothermal Response to Climate Change in Permafrost Regions

　　 S. Nishimura, C. J. Martin, R. J. Jardine and C. H. Fenton

229  Energy from Earth-Coupled Structures, Foundations, Tunnels and Sewers

        D. Adam and R. Markiewicz

237  Energy Pile Test at Lambeth College, London: Geotechnical and Thermodynamic Aspects of Pile Response to Heat Cycles

        P. J. Bourne-Webb, B. Amatya, K. Soga, T. Amis, C. Davidson and P. Payne

249  Aquifer Thermal Energy Storage: Theoretical and Operational Analysis

        J. S. Dickinson, N. Buik, M. C. Matthews and A. Snijders

261  Ground Energy Systems: from Analysis to Geotechnical Design

        M. Preene and W. Powrie

Technical Note

273  Thermomechanical Model for Saturated Clays

        H. M. Abuel-Naga, D. T. Bergado, A. Bouazza and M. Pender

279  Inclusion of Higher-Temperature Effects in a Soil Behavior Model

        H. R. Thomas, S. Siddiqua and S. C. Seetharam

283  Fractal Analysis of Temperature-Induced Cracking in Claysand Rocks

        L. E. Vallejo

287  Use of Energy Piles in a Residential Building, and Effects on Ground Temperature and Heat Pump Efficiency

        C. J. Wood, H. Liu and S. B. Riffat