纤维织物增强高延性混凝土加固RC梁的受弯性能

张敏,邓明科,智奥龙,宋诗飞,陈晖

Flexural behavior of RC beams strengthened by textile-reinforced highly ductile concrete

Min ZHANG,Ming-ke DENG,Ao-long ZHI,Shi-fei SONG,Hui CHEN

表 2 碳纤维织物力学性能指标

Tab.2 Mechanical characteristics of carbon textile

参数 数值 参数 数值 网格间距sct/mm 20 密度ρct/(g·cm−3) 1.74 抗拉强度fct,t/MPa 3600 束截面积Act,0/mm2 0.94 弹性模量Ect/GPa 230 伸长率λct/% 1.5 单束承载力Fct,0/N 3200 — —