期刊文献+

苏通大桥主桥结构体系研究 被引量:13

Study on structural system of Sutong Bridge
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摘要 苏通大桥主跨1 088 m,是目前世界上最大跨径的斜拉桥。大桥桥位处建设条件复杂,抗震和抗风要求高,选择合理的桥梁结构体系是保证结构安全和功能的关键。介绍了苏通大桥结构体系的比选过程,比较了全飘浮、黏滞阻尼器、液压缓冲器和塔梁固接4种体系,重点分析对比了不同参数下黏滞阻尼器和液压缓冲器的结构响应,首次提出了用于桥梁的带有附加限位功能的特大型液体黏滞阻尼器,对阻尼器的设计参数进行了分析研究,并在苏通大桥上实现了这一新型装置。 SutongBridge, whose layout is (100+100+300) +1 088 + (300+100+100) m,marksthe largest span of cable-stayed bridges in the world. The complex natural condition at the bridge site and the strict requirements for resistance of wind and seismic action make it crucial to choose a favorable structural system to assure the function and safety of the bridge. The comparison among several optional structural systems for Sutong Bridge is illustrated, the optional structural systems contain floating, viscous damper, hydraulic buffer and fixed system. After detail analysis is carried out for viscous damper and hydraulic buffer, super liquid viscous damper with additional displacement limitation is designed for the first application in bridge engineering. The parameters for the damper is analyzed and studied and the dampers are installed successfully after required damper tests.
出处 《中国工程科学》 2009年第3期20-25,共6页 Strategic Study of CAE
基金 国家科技支撑计划资助项目(2006BAG04B01)
关键词 苏通大桥斜拉桥 结构体系 阻尼器 阻尼参数 限位 Sutong cable-stayed bridge structural system damper damper parameter displacement restraint
作者简介 张喜刚(1962-),男,河南许昌市人,教授级高级工程师,中交公路规划设计院有限公司董事长兼总经理,主要从事大跨径桥梁的设计与研究工作;E-mail:zhangxigang@hpdi.com.cn
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参考文献6

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二级参考文献13

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