摘要
本文采用非线性有限元法,对空钢管桁梁、上弦填混凝土桁梁、上下弦均填混凝土桁梁的抗弯性能进行分析,并将结果进行对比。
In this paper, analytical models about three concrete- filled rectangular steel tubular trusses are built, and the ultimate bearing capacity are analyzed by nonlinear finite element method and the analytical results are compared.
关键词
桥梁工程
钢管混凝土桁梁
抗弯性能
非
线性分析
bridge engineering
concrete - filled steeltubular truss
static performance
nonlinear analysis