ISSMGE: Numerical and Theoretical Approaches

Proceedings of the International Conference From Experimental Evidence Towards Numerical Modeling of Unsaturated Soils, September 18-19, 2003
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Tom Schanz
704 g
244x7x27 mm
94, Springer Proceedings in Physics

Volume II
Proceedings of the International Conference from Experimetnal Evidence Towards Numerical Modeling of Unsaturated Soils September 18-19, 2003. Part 1: Experimental Studies
Theoretical Approaches.- Conservation laws for three-phase partially saturated granular media.- Thermally-induced pore pressure generation in a nearly-saturated cementitious material.- Strain localisation simulation in non-isothermal multiphase geomaterials.- Non-linear behaviour in the deformation and localization analysis of unsaturated soil.- A process-oriented approach to compute THM problems in porous media - Part 1: Theoretical and informatics background.- The influence of hydraulic hysteresis on unsaturated soils FE analyses.- Effects of intergranular adhesive force on failure criterion of granular materials.- A bounding surface plasticity model for sands in an unsaturated state.- A unified framework for elastoplasticity of unsaturated soils: From capillary hysteresis to soil skeletal deformations.- State parameters for unsaturated soils, basic empirical concepts.- Investigations regarding soils below phreatic surface as unsaturated porous media.- Inspection of excess pressure propagation in the zone of gas entrapment below the capillary fringe.- A new concept for the numerical simulation and parameter identification of multiphase flow and transport processes in cohesive soils.- Statistical approach in soil-water characteristic curve modelling.- Generalized effective stress in unsaturated granulate by DEM analysis.- Grading entropy variation due to soil crushing.- Numerical Modelling.- A process-oriented approach to compute THM problems in porous media - Part 2: Numerical applications.- Numerical study to the desiccation cracks formation in mineral liners for landfills.- Modelling the behaviour of an earth and rockfill dam during construction and impoundment.- Numerical simulation of air loss during tunnel advance in compressed air tunnelling.- Centrifuge and numerical modeling of contaminant transport through the unsaturated silty soil.- Modeling of seepage flow through layered soils.- Hydro-mechanical behaviour of unsaturated buffer.- Applications of CODE-BRIGHT to thermal-hydro-mechanical experiments on clays.- An unsaturated soil seepage analysis for design of a soil cover system to reduce oxidation of a mine tailings deposit.
These proceedings document the various papers delivered and partially presented at the International Conference "From experimental evidence towards numerical modeling of unsaturated soils," which was held in Weimar (Germany) during 18-19 September 2003. The conference was organized under the auspices of the International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE) and the National German G- technical Society (DGGT). The need to understand the behavior of unsaturated soils is becoming exclusively - sential for the geotechnical engineers and designers. In the last three decades many - searchers have made significant contribution to the understanding of the unsaturated soil mechanics. Nevertheless, application of the subject to variety of new problems still - quires our attention. This International conference is a mere attempt to unite researchers and engineers in geotechnical engineering and to discuss about the problems associated with the unsaturated soils. Doing so the objectives of these lecture notes are as follows: - to promote unsaturated soil mechanics for practical application, - to exchange experiences in experimental unsaturated soil mechanics and numerical modeling, - to discuss application of unsaturated soil mechanics to variety of problems. In other words, we could also name these two volumes as "From theory to daily pr- tice". I would like to extend my deep sense of appreciation as the editor and the Head of the organizing committee, to many persons who have contributed either directly or indirectly to organize the International conference and to finalize these proceedings.