Behavior of precast reinforced concrete columns subjected to monotonic short-term loading

This paper presents a case study on the behavior of precast reinforced columns with non-conventional cross-section. An experimental program was developed to verify the serviceability and ultimate limit states of these columns, loaded with eccentric compression forces. In addition, results obtained t...

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Published inFrattura ed integritá strutturale Vol. 13; no. 50
Main Authors Sebastião Salvador Real Pereira, Hermes Carvalho, João Victor Fragoso Dias, Victor Roberto Verga Mendes, Pedro Aires Montenegro
Format Journal Article
LanguageEnglish
Published Gruppo Italiano Frattura 01.09.2019
Subjects
Column
Numerical modelling
Reinforced concrete
Short-term loading
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Summary:This paper presents a case study on the behavior of precast reinforced columns with non-conventional cross-section. An experimental program was developed to verify the serviceability and ultimate limit states of these columns, loaded with eccentric compression forces. In addition, results obtained through a theoretical model based on the Brazilian standard ABNT NBR 6118:2014 and a Finite Element numerical model using ANSYS software were presented. Analysis of the results showed that the proposed models satisfactorily predicted column behavior. However, the ultimate strength of the column could not be determined due to limitations in the formulation of the theoretical model. The numerical model presented good agreement with the experimental results, both in serviceability and in ultimate limit state.
ISSN:1971-8993