自锚式悬索桥主塔设计及空间受力性能分析  

Design and Space Stress of Self-Anchored Suspension Bridge's Maintower

作　　者：吴锋[1] 戴公连[1] 

机构地区：[1]中南大学桥梁与隧道工程学院,湖南长沙410075

出　　处：《交通科技与经济》2008年第5期4-6,共3页Technology & Economy in Areas of Communications

摘　　要：长沙市三汊矾湘江大桥是跨径组合为(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。以长沙市三汊矶湘江大桥主塔为背景,对三汊矶大桥主塔设计思路、构造特点进行了简要介绍,并利用有限元软件,详细探讨了构件尺寸、横梁设置、纵向阻尼装置等对主塔受力性能及空间稳定性的影响。Sanchaji Bridge on Xiangjiang River, which is a self-anchored suspension bridge with steel-box beam（70＋132＋328＋132＋70）and uses reinforced concrete diamond structure for its maintower. The design procedures and construction features of Sanchaji bridge are briefly introduced in the paper. It also makes use of the finite element analysis to discuss the effects of member dimension, crossbeam setting and longitudinal damping device to the space stability and stress performance of maintower.

关 键 词：三汉矶 自锚式悬索桥 主塔 受力性能 稳定性 

分 类 号：U448.25[建筑科学—桥梁与隧道工程]