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Shear Performance Evaluation of Reinforced Concrete Piers Subjected to Vehicle Collision
| 题名： | Shear Performance Evaluation of Reinforced Concrete Piers Subjected to Vehicle Collision |
| 正文语种： | 英文 |
| 作者： | Lin Chen; Hao Wu; Tao Liu |
| 作者单位： | Tongji Univ;Hunan Univ |
| 关键词： | Collision; Vehicle; Reinforced concrete pier; Numerical simulation; Shear failure; Equivalent static force |
| 摘要： | In this study, finite element (FE) simulation is conducted to analyze the dynamic response and damage/failure characteristics of typical three-column reinforced concrete (RC) piers under vehicle collision, taking into account key variables such as vehicular kinetic energy, diameter of piers and hoops, axial compression ratio, foundation depth and engine mass, and others. Based on the simulation results, an improved formula is proposed for calculating the axial force increment of RC piers during impact. An analytical approach for evaluating the shear performance of RC piers under vehicle collision is developed by combining a formerly established truck collision model. Furthermore, a new type of equivalent static force regarding the shear failure of RC piers under vehicle collision is also proposed and used to criticize the effectiveness of the AASHTO code. |
| 出版日期： | 2020 |
| 出版年： | 2020 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.146 |
| 期： | No.04 |
| 页码： | 04020026 |
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