下承式钢桁结合梁桥的非线性有限元分析  

Non-linear finite element analysis of through steel-truss composite beam bridge

作　　者：赵平平[1] 王路喜[1] 徐云鹏 

机构地区：[1]山东科技大学,山东青岛266510 [2]马泰力克(青岛)建筑系统有限公司,山东青岛266108

出　　处：《工程建设》2013年第2期11-13,19,共4页Engineering Construction

摘　　要：采用有限元分析理论,主要对其离散方法、材料本构关系及弹塑性本构刚度矩阵、总刚度矩阵方程的建立等进行综述;并根据结构的受力特点,在考虑混凝土板与钢梁间纵向滑移及掀起效应的前提下,提出了两种建模方法,经对比分析选择最简单的建模方法。The discrete method, the material constitutive relationship and the establishment of elastoplastic constitutive stiffness matrix and the total stiffness matrix equation etc. were reviewed by using the finite element analysis theory; Based on the stress characteristics of the structure, under the premise of considering the longitudinal slip between concrete slab and steel beam and lifting effect, two modeling methods were proposed, and the simplest modeling method was selected after comparison and analysis.

关 键 词：下承式钢桁结合梁 非线性问题 有限元分析 

分 类 号：U441.2[建筑科学—桥梁与隧道工程]