2010•Subgrade EngineeringRequires access

Application of FLAC Strength Reduction Method to Stability Analysis of Slope Excavation

Mo Xu

Abstract

FLAC strength reduction method combines strong numerical calculation ability and strength reduction technology to describe the destabilizing form and stressed condition of side slope so as to determine the stability of side slope.This paper carries out analysis on the stability of side slope at tail water exit of Nuozhadu Power Station in southwest region with FLAC strength reduction method.The result indicates that slope safety factor determined by strength reduction method is very close to the result through searching the critical sliding surface in ultimate equilibrium,and the shape and position of sliding surface by the two methods are very similar too.

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Key concepts: Strength reduction, Slope stability analysis, Slope stability, Reduction (mathematics), Safety factor, Geotechnical engineering, Stability (learning theory), Position (finance)