| 连续箱梁桥体外预应力转向块力学性能仿真分析 |
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| 引用本文： | 罗桂军,唐寄强,罗曜波,何威特,李满意,姜天华,黄亚北.连续箱梁桥体外预应力转向块力学性能仿真分析[J].交通科技,2021(1):34-37. |
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| 作者姓名： | 罗桂军 唐寄强 罗曜波 何威特 李满意 姜天华 黄亚北 |
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| 作者单位： | 中建五局土木工程有限公司;武汉科技大学城市建设学院 |
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| 摘 要： | 为探究横隔板式转向块在体内体外混合配束连续箱梁桥中的合理构造形式,以科特迪瓦阿比让Banco湾主桥为工程背景,通过ANSYS建立转向块模型,研究体外预应力作用下转向块的受力和变形特点.结果表明,横隔板式转向块与箱梁顶板、底板连接共同作用形成压力区,受力合理,传力明确;科特迪瓦阿比让Banco湾主桥中的上部50 cm、下...
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| 关 键 词： | 体外预应力 转向块 力学性能 仿真分析 |
Simulation Analysis on Mechanical Properties of External Prestressed Steering Block of Continuous Box Girder Bridge |
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| LUO Guijun,TANG Jiqiang,LUO Yaobo,HE Weite,LI Manyi,JIANG Tianhua,HUANG Yabei.Simulation Analysis on Mechanical Properties of External Prestressed Steering Block of Continuous Box Girder Bridge[J].Transportation Science & Technology,2021(1):34-37. |
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| Authors: | LUO Guijun TANG Jiqiang LUO Yaobo HE Weite LI Manyi JIANG Tianhua HUANG Yabei |
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| Institution: | (China Construction Fifth Engineering Bureau Civil Engineering Co., Ltd., Changsha 410004, China;Schoolof Urban Construction, Wuhan University of Science and Technology, Wuhan 430065, China) |
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| Abstract: | In order to explore the reasonable structural form of diaphragm steering block in continuous box girder bridge with internal and external mixed tendons,taking Banco Bay main bridge in Abidjan,Cote d'Ivoire as the engineering background,the steering block model was established by ANSYS,and the mechanical characteristics of the steering block under the external prestressing force were studied.The results show that the diaphragm steering block forms a pressure zone together with the top and bottom plate of the box girder,which has reasonable stress and clear force transmission;the diaphragm steering block with thickness of 50 cm in the upper part and 100 cm in the lower part of the bridge has excellent mechanical performance under prestress action,so it is recommended to be used in the bridge. |
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| Keywords: | external prestressing steering block mechanical property simulation analysis |
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