用U变换法分析薄壁箱形连续梁的组合扭转  

Analysis of Combination Twisting of Thin-Walled Box Girders with Periodic Supports by the U-Transformation

作　　者：陈森炎 蔡承武[1] 

机构地区：[1]中山大学应用力学与工程系

出　　处：《中山大学学报（自然科学版）》1992年第3期8-15,共8页Acta Scientiarum Naturalium Universitatis Sunyatseni

基　　金：国家自然科学基金

摘　　要：用U变换法分析具有周期性支承的薄壁箱形连续梁的组合扭转。连续梁的控制方程经U变换解耦后,建立了子结构规模的控制方程和边界条件;并结合具体载荷条件,给出了位移和内力相应的解析表达式。The combination twisting of thin-walled box girder with periodic supports bas been analyzed by the U-transform method. The uncoupled governing equations with boundary conditions for single substructure can be derived using the U-transformation. Some specific loading conditions are considered. The angular displacements and bimoments have been derived.

关 键 词：U变换 组合扭转 连续梁 薄壁箱形 

分 类 号：O342[理学—固体力学]