芳纶纤维布约束混凝土圆形短柱抗压性能研究

Experimental research on compression performance for AFRP confined concrete cylinder

以C30混凝土圆柱形试件为基体,对粘贴不同层数芳纶纤维布后的试件进行抗压试验,得到了其受压应力应变全曲线,探讨了不同层数纤维布对混凝土的增强效果以及应力应变关系的变化规律。结果表明,芳纶纤维布可大幅提高混凝土强度和变形能力,但随着层数的增加其增强幅度逐渐减小,且约束比与强度比间近似呈线性关系。

Based on the laboratory test for C30 concrete cyhnders confined with different layers of aramid fiber reinforced plastic （AFRP）, the strengthening effect and the stress and strain curves are presented. The compression results illustrate that the bonded AFRP can improve the strength and distortion performance, the accretion scopes decrease with increasing layers, the restriction rate has a linear relationship with the strength rate.