海洋工程中GFRP筋耐久性研究进展  

Research progress on durability of GFRP bars used in marine engineering

作　　者：刘小艳[1] 王新瑞[1] 刘爱华[1] 陈雷[1] 蒋亚清[1] 

机构地区：[1]河海大学力学与材料学院,江苏南京210098

出　　处：《水利水电科技进展》2012年第3期86-89,共4页Advances in Science and Technology of Water Resources

基　　金："十二五"国家科技支撑计划(2012BAB03B02);江苏省科技基础设施建设计划(BM2010453)

摘　　要：综述了国内外学者对应用于海洋工程中的GFRP筋耐潮湿侵蚀,耐酸、碱、盐腐蚀,以及抗紫外线辐射,抗冻融破坏,耐干湿循环等性能的研究,分析了不同环境下GFRP筋性能的退化机理,介绍了采用改进的Arrhenius方程预测GFRP筋使用寿命的方法,并对海洋工程中GFRP筋的研究和应用进行了展望。Steel corrosion induced by chloride could lead to structural failure and maintenance problems in coastal and marine engineering.Thus,GFRP bar is considered as a better alternative because it is lightweight,has high tensile strength,has fatigue resistance,is non-magnetic,and has corrosion resistance.This paper summarizes the research on the durability problems of GFRP bars,such as the moisture resistance,acid resistance,alkalinity,salt corrosion,anti-UV capability,freeze-thaw resistance,and wet and dry cyclic resistance.The degradation mechanism of GFRP bars in different environments is also analyzed.At last,the authors introduce a modified Arrhenius equation for the life prediction of the GFRP bars,and put forward their own opinions on future research and applications of GFRP bars in marine engineering.

关 键 词：海洋工程 GFRP筋 耐久性 寿命预测 综述 

分 类 号：TU375[建筑科学—结构工程]