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This book results from the 7th ICPMG meeting in Zurich 2010 and covers a broad range of aspects of physical modelling in geotechnics, linking across to other modelling techniques to consider the entire spectrum required in providing innovative geotechnical engineering solutions. Topics presented at the conference: Soil – Structure – Interaction; Natural Hazards; Earthquake Engineering: Soft Soil Engineering; New Geotechnical Physical; Modelling Facilities; Advanced Experimental Techniques; Comparisons between Physical and Numerical Modelling Specific Topics: Offshore Engineering; Ground Improvement and Foundations; Tunnelling, Excavations and Retaining Structures; Dams and slopes; Process Modelling; Goenvironmental Modelling; Education
Pile foundations have been significantly damaged by liquefaction-induced lateral spreading during earthquakes. There are large uncertainties regarding the effects of various soil properties on this pattern of soil-structure interaction. The main concern of this study is to numerically investigate the role of soil permeability in such lateral spreading scenarios. Through extensive calibration, finite element analysis models were developed in which the response reasonably matched experimental data from shake-table testing and centrifuge testing. The overall impact of permeability on the soil stratum and the pile response was similar for both situations. In most cases, soil displacement increased with increasing permeability, while pile load decreased.
GSP 156 contains 37 paper presented at the Second Japan-U.S. Workshop on Testing, Modeling, and Simulation in Geomechanics, held in Kyoto, Japan, September 8-10, 2005.
