本文采用数值模拟方法,利用有限元软件ANSYS对CFRP加固钢筋混凝土梁弯曲疲劳性能进行了分析,研究了钢筋混凝土梁的疲劳机理,得出了CFRP加固钢筋混凝土梁疲劳寿命的提高程度。研究结果表明,采用CFRP加固钢筋混凝土梁能大幅提高其疲劳寿命,并对实际工程起到了一定的指导意义。
Numerical simulation methods were used in this paper,and the bending fatigue performance of reinforced concrete beam with CFRP were analyzed by ANSYS.The fatigue mechanism was studied,and the improvement degree of fatigue life of reinforced concrete beam with CFRP was obtained.The result shows CFRP can increase the fatigue life greatly.