自锚式悬索桥主塔设计及空间受力性能分析  

Design of the Pylon of Self-anchored Suspension Bridge and Analysis on Its Spatial Loading Performance

作　　者：吴锋[1] 戴公连[1] 

机构地区：[1]中南大学,湖南长沙410075

出　　处：《西部交通科技》2008年第3期1-3,共3页Western China Communications Science & Technology

摘　　要：长沙市三汊矶湘江大桥,为跨径组合(70+132+328+132+70)m的钢箱主梁自锚式悬索桥,主塔采用钢筋混凝土钻石型结构。文章介绍了该桥主塔的设计思路和构造特点,并利用有限元软件,分析构件尺寸、横梁设置、纵向阻尼装置等因素对主塔受力性能及空间稳定性的影响。Sancha Xiangjiang River Bridge of Changsha is a steel box girder self-anchored suspension bridge with a span combination of (70+132+328+132+70) m.Its pylon adopts reinforced concrete diamond type structure.After presenting the design idea and structure character of the pylon,the Paper,by means of finite element software,analyzes how the size of components,the design of beam and the longitudinal damping device influence the loading performance of pylon and its spatial stability.

关 键 词：桥梁工程 自锚式悬索桥 主塔 受力性能 稳定性 

分 类 号：U442[建筑科学—桥梁与隧道工程]