The Open Construction & Building Technology Journal




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Finite Element Modelling and Analysis of “All-Steel” Dismountable Buckling Restrained Braces


The Open Construction and Building Technology Journal, 2014, 8: 216-226

M. D’Aniello, G. Della Corte, R. Landolfo

Department of Structures for Engineering and Architecture, University of Naples “Federico II”, via Forno Vecchio 36, 80134 Naples, Italy.

Electronic publication date 31/12/2014
[DOI: 10.2174/1874836801408010216]




Abstract:

This paper describes a theoretical investigation on the response of “all-steel” dismountable buckling restrained braces (BRBs) through the analysis of finite element models (FEMs). The focus of this investigation is on a special type of BRB developed for seismic upgrading of existing reinforced concrete buildings and experimentally tested previously. After a short summary of experimental results, the paper describes the finite element models and the analysis results. Subsequently, a discussion addresses the following issues: (i) influence of the core-to-casing clearance; (ii) influence of spacing of connections along the casing longitudinal axis; (iii) compression-to-tension strength ratio; (iv) core buckling wavelengths and core-to-casing interaction forces. Finally, the paper presents a comparison of numerical results and available analytical models.


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