Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Probabilistic Analysis of the Deflection of Retaining Walls in Deep Excavation
Deformation caused by excavations in urban areas is one of important problems geotechnical engineers have to cope with. The excavation-induced deformations deterministically estimated by conventional empirical/numerical methods can not consider the uncertainties of geotechnical engineering system. In this regard, the random finite element method (RFEM) is employed to investigate the influence of uncertainty on excavation-induced deformation. The RFEM combined random fields of soil properties with the finite element method through the Monte Carlo simulation. A well-documented excavation case history is employed in the RFEM analysis. Analysis results show that the RFEM is capable of providing reasonable estimations of the exceeding probability of wall deflection caused by excavation. The RFEM has a potential to be a convenient tool to account for the scatter in material and model parameters and thus can significantly upgrade the applicability and value of numerical analysis.
Probabilistic Analysis of the Deflection of Retaining Walls in Deep Excavation
Deformation caused by excavations in urban areas is one of important problems geotechnical engineers have to cope with. The excavation-induced deformations deterministically estimated by conventional empirical/numerical methods can not consider the uncertainties of geotechnical engineering system. In this regard, the random finite element method (RFEM) is employed to investigate the influence of uncertainty on excavation-induced deformation. The RFEM combined random fields of soil properties with the finite element method through the Monte Carlo simulation. A well-documented excavation case history is employed in the RFEM analysis. Analysis results show that the RFEM is capable of providing reasonable estimations of the exceeding probability of wall deflection caused by excavation. The RFEM has a potential to be a convenient tool to account for the scatter in material and model parameters and thus can significantly upgrade the applicability and value of numerical analysis.
Probabilistic Analysis of the Deflection of Retaining Walls in Deep Excavation
Tang, Y. G. (Autor:in)
Georisk 2011 ; 2011 ; Atlanta, Georgia, United States
GeoRisk 2011 ; 963-970
21.06.2011
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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