薄壁曲线箱梁剪力滞效用的有限元解法与实验研究  

Study of Curved Box Girder Utility by the Experimental and Finite Element Method

作　　者：邹芒 孙浩 

机构地区：[1]湖南省吉怀高速公路建设开发有限公司,湖南怀化418000

出　　处：《公路工程》2011年第3期26-29,共4页Highway Engineering

摘　　要：解释了箱梁的剪力滞效应并对其常用解法的优缺点进行了比较,介绍了有限元解法,利用SHELL63单元,运用ANSYS有限元分析方法对一具体箱梁进行分析,得出计算值与实验值吻合良好,可见利用ANSYS对薄壁箱梁剪力滞进行求解简单且可靠。This paper explains the shear lag effect of box girder and compares the advantages and disadvantages of commonly used methods,then introduces the finite element method and Analyses a concrete box gird by SHELL63 element based on ANSYS.The result is in good agreement with the experimental values.The method proposed in this paper is simple and valid.

关 键 词：薄壁箱梁 剪力滞效应 有限单元法 shell63单元 ANSYS 

分 类 号：U448.213[建筑科学—桥梁与隧道工程]