Oblique section bearing capacity of reinforced concrete box beams strengthened with CFS

摘要：

The oblique section bearing capacity of the reinforced concrete box beams strengthened with Carbon Fiber Sheet (CFS) was studied in this paper. The RC box beams strengthened with CFS were modeled by ANSYS based on the nonlinear finite element method. The deformation,stress and ultimate bearing capacity of the box beam were studied. Four RC box beams were designed and experiments were carried out to study the strengthening influence of CFS in different conditions of box beams being used. The damage of the RC box beams strengthened with CFS was observed in the whole loading process. The mechanical behavior and the ultimate bearing capacity of the RC box beams strengthened with CFS were analyzed. The failure mechanism and the strengthening effect of the RC box beams were discussed. The numerical results by the finite element method were compared with the experimental results. It is shown that the numerical results agreed well with the experimental results which verified the reliability of the finite element analysis method.

关键词： Bridge engineering Carbon fiber sheet strengthening Box-beam test Oblique section bearing capacity Nonlinear finite element

作者: Xiaoyan Liu Weiqing Zhu Chenglong Wei Fei Wu

作者单位: Changsha University of Science & Technology,Changsha 410076,China Hunan Institute of Science & Technology,Yueyang 414000,China

会议类型: 国际会议

会议名称: Fracture Mechanics and Applications 2008(国际断裂力学2008年年会)(FM2008)

会议地点: 杭州

会议语种:英文

页码: 99-104

在线出版日期: 2008-10-31（万方平台首次上网日期，不代表论文的发表时间）