摘要
用单位宽纵横向曲壳条带法构造了扁壳单元的空间位移模式，基于能量变分原理导出了扁壳桥结构的扁壳单元刚度矩阵，通过算例给出了某扁壳桥在均布荷载和在壳顶集中荷载作用下的内力和挠度。
A space displacement field of flat shell element is constructed using unit width curve strip in length and breadth. Based on energy variation principle, the curve shell element stiffness matrix is induced. As the example, the internal forces and deflections of a certain flat shell bridge are given under the condition of uniform load in all shell bridge and concentrated load in the middle of the shell structure.
出处
《中国公路学报》
EI
CAS
CSCD
北大核心
1999年第2期65-71,共7页
China Journal of Highway and Transport
关键词
桥梁
扁壳桥
曲壳
有限单元法
结构设计
curve strip in length and breadth
space displacement mode of flat shell unit
internal forces
deflection
