纤维复合材料(FRP)主要有四种:碳纤维增强聚合物(CarbonFiberReinforcedPolymer,简称CFRP)、玻璃纤维增强聚合物(GlassFiberReinforcedPolymer,简称GFRP)、玄武岩纤维(简称BFRP)和芳纶纤维增强聚合物(AramidFiberReinforcedPolymer,简称AFRP)。建筑工程中使用的FRP材料中,纤维体积含量一般为60%～65%。 碳纤维(CarbonFiber)是纤维...
CFRP_BFRP混杂效应试验研究和理论分析
(BFRP)纵筋和GFRP箍筋组成,内层圆形FRP筋笼由沿圆形空腔边缘设置的预应力CFRP(BFRP)纵筋及GFRP螺旋筋组成.内侧预应力CFRP(BFRP)纵筋主要用于方管桩作为抗拔桩时所承受得拉力,以及通过施加预应力增加方管桩的抗裂性能,提高方管桩的侧向刚度与耐久性.本发明管桩受力筋均采用增强纤维复合材料,不采用钢材,使管桩耐腐蚀性强...
CFRP材料湿热老化性能及其尺寸加速效应试验与分析 长料恻磐长螫时间(秒172)图1.2两阶段水吸收模型 F培1.2Two—stagewaterabsorptionmodel1.2.4国内外研究现状 Sire等[16】通过将CFRP、BFRP、GFRP片材浸泡在碱溶液环境下研究其强度 退化规律,试验发现对于BFRP和GFRP,随着腐蚀时间的增加复合材料的抗拉 强度都有一定程度下...
粘贴千维复合材加固时,常用的纤维材料有()。 A、碳纤维(CFRP) B、芳纶纤维(AFRP) C、玄武岩纤维BFRP D、玻璃纤维(GFRP) 点击查看答案 第4题 铝合金板带材力学性能的主要指标是:抗拉强度、延伸率。() 正确 错误 点击查看答案 第5题 依据GB/T31439.1-2015,波形梁板主要力学性能考核指标正确的有()。 A...
以下哪一项是芳纶复合材料。 A. CFRP B. KFRP C. BFRP D.GFRP的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
In contrast, GFRP and BFRP have relatively lower prices and higher elongation at break, but their mechanical and long-term properties are not as good as CFRP, which may not be applicable to prestressed concrete structures [32,33,34]. In this research, the bond strength of CFRP strands was ...
Jin, L.; Yang, J.; Zhang, R.; Du, X. Modeling of GFRP-Reinforced Concrete Slabs under Various Impact Masses and Velocities.Thin-Walled Struct.2023,182, 110175. [Google Scholar] [CrossRef] Afroughsabet, V.; Biolzi, L.; Ozbakkaloglu, T. Influence of Double Hooked-End Steel Fibers ...
Investigation of shear/bending properties of C/G/BFRP bars post heat treatment.Bending strength deteriorates more rapidly than shear strength under elevated temperatures.Concrete cover significantly delays the degradation of both shear/bending properties of FRP bars.Thermal insulation performances of GC, ...
A comparison of AFRP, GFRP, BFRP and CFRP stay cables indicated that AFRP and GFRP were not suitable for bridge cable since their chemical instability [2]. The BFRP possesses not only higher strength and modulus, greater chemical stability, but also a similar cost as compared to GFRP [3]...