三塔悬索桥施工全过程空气动力稳定性研究  

Aerodynamic Stability Research of Overall Construction Process of Tri-tower Suspension Bridge

作　　者：郭辉[1] 张新军[2] 

机构地区：[1]上海市政工程设计研究总院集团浙江市政设计院有限公司,浙江杭州310014 [2]浙江工业大学建工学院,浙江杭州310014

出　　处：《市政技术》2011年第3期42-44,共3页Journal of Municipal Technology

摘　　要：采用三维非线性空气动力稳定性分析程序,分析三塔悬索桥施工全过程空气动力稳定性的变化规律,揭示了不同主梁施工顺序对三塔悬索桥施工过程空气动力稳定性的影响,并探讨具有良好空气动力稳定性的主梁施工顺序。By using Three-dimensional nonlinear program for bridge structural flutter analysis,the evolution of structural flutter stability during the whole construction process under three different deck erection sequences is investigated numerically,and the influence of deck erection sequence on structural flutter stability is revealed,and the favorable deck erection sequence is also proposed with respect to the aerodynamic stability.

关 键 词：三塔悬索桥 施工过程 空气动力稳定性 

分 类 号：U441.3[建筑科学—桥梁与隧道工程]