摘要
对全桥、横梁采用两次有限元离散计算方法，考虑桥面系、主桁架相互作用问题，研究了单线和双线钢桁梁桥的实际受力状态和设计者常采用的简化计算方法存在的问题，对《铁路桥跨结构设计规范》（初稿）中有关纵、横梁的计算条文提出了建议。
Using two step finite element method and allowing for the interact between the main truss and the floor system of the railway steel truss bridges, the actual stresses of the single lined bridge and double lined bridge, as well as the problems existing in the simple method often used by designers have been analyzed. The suggestions were put forward to the calculation of longitudinal and transverse beams in the “Railway Bridge Design Code”.
出处
《中国有色金属学报》
EI
CAS
CSCD
1996年第2期151-155,共5页
The Chinese Journal of Nonferrous Metals
关键词
桥面系
主桁架
横梁
纵梁
受力分析
floor system main truss longitudinal and transverse beam interact restraining equation
