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Published on: October 19, 2022
Data supporting the development of loading protocols for seismic qualification of BRBs considering global performance
Mario Aguaguiña1, Ying Zhou1, Yun Zhou2
1State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China.
Abstract:
The data presented in this article constitute a supplementary material and provide support to the study "Loading protocols for qualification testing of BRBs considering global performance requirements" by Aguaguiña et al. [1]. Three types of datasets are given herein mainly in the form of tables. The first two correspond to databases built based on a compilation of past experimental testing on buckling-restrained braces (BRBs), conducted in different parts of the world. Two distinct objectives motivated such data compilation: (1) to determine a practical range for the parameter named as Yield Length Ratio (YLR), from full-scale and large-scale buckling-restrained braced frame (BRBF) specimens, that allowed for evaluation of the maximum deformation demands of BRBs [1]; and (2) to extract information on the properties of BRB specimens of different types, materials, and origin, for calibration of a numerical model that enabled the simulations of quasi-static cyclic tests of BRBs under five different code-prescribed loading histories (US, EU, CN, JP, and CA) and two proposed global loading protocols (GLP-1 and GLP-2) [1]. The last dataset type corresponds to the results of these numerical simulations, which were conducted using the OpenSees platform. The results show the maximum ductility demand (μ max), cumulative inelastic deformation, in terms of cumulative plastic ductility (CPD) and cumulative plastic strain (CPS), and cumulative hysteretic energy (Ē ) of BRBs as a result of the application of each loading sequence, and they are tabulated by BRB specimen.
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