郑州大学学报（工学版）2011，Vol.32Issue(2)：59-61,3.
荷载作用位置对箱梁剪力滞效应的影响
Shear Lag Effect Of Box Girder with Varying Loading Positions
摘要
Abstract
The shear lag effect of box girder is analyzed by finite element method. The paper lays emphasis on discussing shear lag effect of box girder under different loading positions. The results show that: with the variation of longitudinal loading position, shear lag coefficient λ e on the top and bottom plates of box girder reaches the maximum on the load point, and the closer to the bearing, the larger the value is. Other sections without loading have little shear lag effect, and the stress distribute uniformly. With the loading on the top plate moving from the webs to the symmetric enter, the shear lag effect on the top plate changes from positive to negative, and the shear lag effect on the bottom plate remains positive.关键词
荷栽/作用位置/葙梁/剪力滞效应分类
建筑与水利引用本文复制引用
李清富,鲁博文,周国栋..荷载作用位置对箱梁剪力滞效应的影响[J].郑州大学学报（工学版）,2011,32(2):59-61,3.基金项目
河南省交通运输厅科技计划项目(2008P254) （2008P254）
