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Author(s): Xavier Romão
Aníbal Costa
Raimundo Delgado
Title: Statistical characterization of structural demand under earthquake loading. Part 2: Robust estimation of the dispersion of the data
Issue Date: 2012
Abstract: Performance-based earthquake engineering methodologies often require a probabilistic model ofstructural demand. Since observations masking the probability distribution of the majority of thedata are frequently found, robust estimation methods are proposed to estimate the probabilisticmodel parameters (i.e., central value and dispersion). The performance of thirty-three robust dispersionestimators is evaluated, for different sample sizes, using the chord rotation, curvature, shearforce, and inter-story drift demands obtained after analyzing five reinforced concrete structures underreal earthquake records scaled to several intensities. Based on the results, combinations involvingdispersion and central value (defined in a companion article) estimators are proposed
Subject: Engenharia estrutural, Engenharia civil
Structural engineering, Civil engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia civil
Engineering and technology::Civil engineering
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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