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根据弹性梁和部分组合截面假定,对受两个对称集中力的碳纤维加固混凝土简支梁,推导出碳纤维与混凝土梁之间的粘结剪应力的解析解,还给出了碳纤维的拉力的解析解。由例题梁计算分析,得到了降低碳维端部处应力集中的方法(增大碳维的粘结长度,在端部处采用刚度较低的结构胶或增加结构胶的厚度)
According to the assumption of elastic beam and part combination section, the analytic solution of the bond shear stress between carbon fiber and concrete beam is deduced by using two symmetrical concentrated carbon fiber reinforced concrete simply supported beams, and the tensile force of carbon fiber is also given solution. From the calculation and analysis of the example beam, the method of reducing the stress concentration at the end of the carbon dimension (increasing the bonding length of the carbon dimension, adopting the structural glue with lower rigidity at the end portion or increasing the thickness of the structural glue)