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Probabilistic Calibration for Shear Strength Models of Reinforced Concrete Columns
| 题名： | Probabilistic Calibration for Shear Strength Models of Reinforced Concrete Columns |
| 正文语种： | 英文 |
| 作者： | Bo Yu, M.ASCE1; Shengbin Liu2; Bing Li, M.ASCE3 |
| 作者单位： | 1Professor, Key Laboratory of Engineering Disaster Prevention and Structural Safety of China Ministry of Education, Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, School of Civil Engineering and Architecture, Guangxi Univ., Nanning 530004, China. 2School of Civil Engineering and Architecture, Guangxi Univ., Nanning 530004, China. 3Associate Professor, School of Civil and Environmental Engineering, Nanyang Technological Univ., Singapore 639798 (corresponding author). |
| 关键词： | Reinforced concrete column; Shear strength; Variable angle truss-arch model; Probabilistic shear strength model; Probabilistic calibration |
| 摘要： | A probabilistic calibration method is proposed for evaluating the accuracy and applicability of available deterministic models for the shear strength of shear-critical reinforced concrete (RC) columns. Shear mechanisms of RC columns were explored and a deterministic model for shear strength was developed based on the variable angle truss-arch model. Subsequently, a probabilistic shear strength model involving both aleatory and epistemic uncertainties was proposed based on the Bayesian theory and the Markov Chain Monte Carlo (MCMC) method. Meanwhile, the probabilistic characteristics of shear strength were determined according to the developed probabilistic shear strength model. Finally, a probabilistic calibration method was developed to evaluate the accuracy and applicability of available shear strength models under different conditions of the compressive strength of concrete, the transverse reinforcement ratio, the axial load ratio, the aspect ratio, and displacement ductility |
| 出版年： | 2019 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | 145 |
| 期： | 5 |
| 页码： | 1-14 |
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