【摘要】 在试验研究的基础上,结合纤维增强塑料筋混凝土梁的受弯破坏特点,探讨了纤维增强塑料筋混凝土梁的非线形全过程数值分析方法.通过对受压区和受拉区混凝土应力-应变关系曲线的简化,建立了纤维增强塑料筋混凝土梁弯距曲率的计算模式,提出了纤维增强塑料筋混凝土梁弯距曲率的简化计算公式以及相应的荷载挠度的计算公式.将该简化方法、非线性全过程数值分析方法与试验数据进行了比较分析,三者符合较好.更多还原

【Abstract】 Based on the test results,this paper explores the nonlinear numerical analysis method for concrete beams reinforced with fiber reinforced polymer barsThrough the simplification of the stressstrain relationship of both fiber reinforced polymer bars and concrete,the simplification formulas for momentcurvature relation and relative loaddeflection relation of concrete beams reinforced with fiber reinforced polymer bars are establishedFinally, the computing results by nonlinear numerical analysis method and the simplification method are compared with those from the test更多还原