Spatial Variation in Liquefaction Risk Assessment

by Gordon A. Fenton, Technical Univ of Nova Scotia, Halifax, Canada,
Erik H. Vanmarcke, Technical Univ of Nova Scotia, Halifax, Canada,



Document Type: Proceeding Paper

Part of: Geotechnical Engineering Congress—1991

Abstract:

Basic concepts and methods of random field theory, needed to characterize 'distributed disordered systems', are reviewed and applied to a soil liquefaction case study. The soil deposit, located at the Wildlife Management Area in California, is represented by a three-dimensional stochastic model and is subjected to earthquake motion drawn from realizations of a space-time random field. By considering the spatial variability of liquefaction, as given by a Monte Carlo analysis using a deterministic finite element program, techniques of improving estimates of liquefaction risk are investigated.



Subject Headings: Soil liquefaction | Risk management | Three-dimensional models | Finite element method | Field tests | Stochastic processes | Mathematical models | Case studies | California | United States | Monaco | Europe

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