摘要
以河南省桐柏自锚式悬索桥为例,利用建立的有限元模型分析了不同的结构参数变化对静力特性的影响,得出主缆矢跨比、抗拉刚度、加劲梁竖向抗弯刚度对自锚式悬索桥的静力性能影响较大,加劲梁轴向刚度和主塔纵向抗弯刚度的变化则对其影响不大。
Taking the self-anchored suspension bridge of Tongbai in He＇ nan province as example, the author utilizes the finite element model, analyzes the influences of different structure parameters change on the static behavior, gets the conclusion that the influences of the main cable raise-span ratio, the tensile stiffness and the stiffness girder vertical flexural rigidity on the self-anchored suspension bridge is very large, and the influences of the change of the stiffness girder axial rigidity and main tower vertical flexural rigidity on it is small.
出处
《山西建筑》
2009年第24期315-316,共2页
Shanxi Architecture
关键词
自锚式悬索桥
结构参数
静力性能
活载
self-anchored suspension bridge, structure parameter, static behavior, live load
