多跨连续长索在支座处存在滑移的非线性静力分析  

Nonlinear static analysis of continuous cables with sliding at the middle supportings

作　　者：聂建国[1] 陈必磊[1] 肖建春[2] 

机构地区：[1]清华大学土木工程系,北京100084 [2]贵州工业大学,贵州贵阳550003

出　　处：《计算力学学报》2003年第3期320-324,共5页Chinese Journal of Computational Mechanics

基　　金：国家杰出青年科学基金(50025822);北京市科委(H010610230112)资助项目.

摘　　要：提出了一种考虑悬索结构在中支座存在滑移时的非线性计算方法,推导出关于索元无应力长度发生变化时的滑移刚度公式,并进行了实例计算。计算结果表明,本文的方法正确,计算精度满足实际工程要求,并能使计算工作量大大减少,可供悬索结构设计、施工时参考。Based on the nonlinear elastic analysis, a nonlinear method was presented for calculating the continuous cables sliding at the middle supportings. Meantime, three examples were computed with this method. The results show that the method presented has a good precision and can meet the needs of the practical engineering.

关 键 词：多跨连续长索 支座 滑移 非线性静力分析 悬索结构 计算方法 

分 类 号：TU351[建筑科学—结构工程] TU311