Modeling parameters and acceptable plastic chord rotations for diagonally reinforced concrete coupling beams
- Authors
- Han, Sang Whan; Lee, Chang Seok; Cho, Eun Seon
- Issue Date
- Dec-2021
- Publisher
- Elsevier Ltd
- Keywords
- Acceptance criteria; Coupling beams; Empirical equation; Modeling parameters; Nonlinear analysis
- Citation
- Journal of Building Engineering, v.44, pp.1 - 13
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Building Engineering
- Volume
- 44
- Start Page
- 1
- End Page
- 13
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/140284
- DOI
- 10.1016/j.jobe.2021.102650
- ISSN
- 2352-7102
- Abstract
- Nonlinear analyses are commonly used when evaluating the seismic performance of buildings. To produce reliable results in a seismic performance evaluation, the modeling parameters used in numerical models must be determined accurately for building components. In addition, proper values of acceptance criteria need to be used in the evaluation. In this study, modeling parameters and acceptance criteria for plastic chord rotations are proposed for diagonally reinforced concrete coupling beams (DRCBs). Empirical equations to calculate the values of modeling parameters for DRCBs are proposed by conducting stepwise nonlinear regression analyses with test data of 42 collected DRCB specimens. The proposed equations predicted the measured values of modeling parameters of DRCBs more accurately than the values specified in ASCE 41-16. The acceptance criteria for IO, LS and CP levels are proposed, based on the target exceedance probabilities. © 2021 Elsevier Ltd
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