| 内嵌式法兰连接预制拼装双柱墩参数分析 |
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| 引用本文： | 胡一鹏,黄遵义,曾玉昆,韩强,许坤.内嵌式法兰连接预制拼装双柱墩参数分析[J].震灾防御技术,2021,16(3):554-565. |
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| 作者姓名： | 胡一鹏 黄遵义 曾玉昆 韩强 许坤 |
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| 作者单位： | 1.北京工业大学, 城市与工程安全减灾教育部重点实验室, 北京 100124 |
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| 摘 要： | 本文基于实际工程对内嵌式法兰连接预制拼装双柱墩参数进行了分析，将法兰设置在塑性铰区以外，设计1∶3缩尺模型，通过分析不同法兰强度等级、混凝土强度等级、轴压比和配筋率的内嵌式法兰连接预制拼装双柱墩模型，得到不同情况下推覆曲线和损伤破坏状态，分析各参数的影响。研究结果表明，法兰强度等级对结构的影响较小，配筋率对结构承载力和延性的影响较大，结构最终失效主要表现在塑性铰区域，法兰存在一定程度的翘起。
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| 关 键 词： | 双柱墩 预制拼装 法兰连接 有限元模拟 参数分析 |
| 收稿时间： | 2021-04-19 |
Parameter Analysis of Prefabricated Double Column Piers with Embedded Flange Connection |
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| Hu Yipeng,Huang Zunyi,Zeng Yukun,Han Qiang,Xu Kun.Parameter Analysis of Prefabricated Double Column Piers with Embedded Flange Connection[J].Technology for Earthquake Disaster Prevention,2021,16(3):554-565. |
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| Authors: | Hu Yipeng Huang Zunyi Zeng Yukun Han Qiang Xu Kun |
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| Institution: | 1.Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China2.Jiangbei East Expressway co. LTD , Hubei Transportation Investment Group co. LTD, Wuhan 430056, China3.China Second Highway Survey Design and Research Institute co. LTD, Wuhan 430056, China |
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| Abstract: | The embedded flange connection for prefabricated double piers was proposed in this paper based on actual engineering. The flange was set outside the plastic hinge region and a dimension 1∶3 scaled-down model has been designed.The pushover curve and damage state was derived through different analyze of flange strength, concrete strength, axial compression ratio, and it was applied to analyze and explain the influence of each parameter on the structure from the aspect of stress and strain state. The results show that flange strength has little effect on the structure while reinforcement ratio has great influence on the bearing capacity and ductility of the structure. The final failure of the structure is mainly in the area of flange joints. |
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| Keywords: | Prefabricated assembly Bridge pier Flange connection Mechanical capacity Finite element model analysis |
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