Finite element reliability analysis of reinforced retaining walls

This paper presents the reliability analysis of reinforced retaining wall using finite element method. Response surface approach is used to approximate the performance function and a first-order reliability method (FORM) is used to evaluate the reliability index. In the analysis, displacement respon...

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Bibliographic Details
Published in:Geomechanics and geoengineering : an international journal 2010-09, Vol.5 (3), p.187-197
Main Authors: Sayed, Sajna, Dodagoudar, G.R., Rajagopal, K.
Format: Article
Language:English
Subjects:
Finite element method
FORM
Geoengineering
Geomechanics
Mathematical analysis
performance function
reinforced retaining wall
Reliability analysis
reliability index
Retaining walls
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Summary:This paper presents the reliability analysis of reinforced retaining wall using finite element method. Response surface approach is used to approximate the performance function and a first-order reliability method (FORM) is used to evaluate the reliability index. In the analysis, displacement response of the reinforced retaining wall is considered as performance function and the corresponding reliability index is evaluated with the aid of a spreadsheet. Uncertainties associated with the soil and reinforcement properties are explicitly taken into account in the analysis. A parametric sensitivity analysis has been performed to bring out the effect of important uncertain parameters by evaluating the sensitivity of the reliability index with respect to each of the uncertain parameters. Results of the response surface method coupled with finite element analysis show the ease and successful implementation of the reliability analysis procedure for the reinforced retaining walls.
ISSN:1748-6025
1748-6033
DOI:10.1080/17486020903576788