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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Safety evaluation of concrete-filled steel tubular columns designed according to Brazilian building code NBR 8800:2008
Author(s): W. L. A. DE OLIVEIRA, A. T. BECK, A. L. H. C. EL DEBS
Appears on pages(s): 212 -236
Keywords: concrete-filled columns, experimental analysis, safety reliability
Abstract:This paper presents an investigation of the safety of circular concrete-filled steel tubular columns designed according to Brazilian building code NBR 8800. The investigation is based on a comparison of normative provisions to column resistance obtained in 32 experimental tests, and on a comparison to the provisions of the equivalent American and European codes. The modeling error of the normative provisions is evaluated and incorporated in the analysis. An analysis of covariance is performed in order to identify tendencies in the theoretical resistance model. Reliability analysis is performed for 3888 column configurations, resulting in reliability indexes that cover the range of applicability of the building code. Based on the results, some improvement suggestions for the revision text of NBR 8800 are presented.
Brazilian Institute of concrete, International Partner Access.
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