PERMISSIBLE PRESTRESS VALUE IN TECHNOLOGY OF RC BEAMS STRENGTHENED WITH PRESTRESSED CFL

摘要：

Carbon Fiber Laminate(CFL) is a sort of fiber reinforced polymer alternative to fiber FRP sheet and plate.By applying a prestress to CFL,the material can be used more efficiently since a greater portion of its tensile capacity is engaged.But it is not good with high prestress level.This paper determined the permissible prestress value based on theory in three areas including effective prestress,interfacial stress and mode of failure.The high level of prestress will cause crack on the tensile concrete and high shear stresses on interface between concrete and CFL.In order to avoid the failure mode of CFL brittle failure,the permissible prestressed value is also given.

关键词： permissible prestress CFL strengthen

作者: X.Y.Guo E Y.Huang

作者单位: College of Traffic and Communications,South China University of Technology ,Guangzhou,Guangdong ,510640,China

会议类型: 国际会议

会议名称: 第二届国际非均质材料力学会议(The Second International Conference on Heterogeneous Material Mechanics)

会议地点: 安徽黄山

会议语种:英文

页码: 1029-1032

在线出版日期: 2008-06-03（万方平台首次上网日期，不代表论文的发表时间）