相对湿度对海水海砂混凝土环境下GFRP筋拉伸性能影响

王文华, 赵齐, 张大旭, 张沛涪, 陈鹏

Effects of Relative Humidity on Tensile Property Degradation of GFRP Rebars in Seawater and Sea Sand Concrete Environment

WANG Wenhua, ZHAO Qi, ZHANG Daxu, ZHANG Peifu, CHEN Peng

表3 GFRP筋强度保留率对比

Tab.3 Comparison of strength retention rate of GFRP rebars %

时间/月 Hr=65% Hr=85% Hr=95% Re Rs δ Re Rs δ Re Rs δ 1 92.5 94.4 2.1 92.0 91.5 0.5 81.2 88.0 8.4 2 90.0 89.0 1.1 84.1 83.4 0.8 71.2 77.3 8.6 3 88.1 84.6 3.9 82.0 76.3 7.0 62.7 66.7 6.4 4 86.7 78.6 9.3 76.9 68.3 11.1 58.3 57.2 1.8