Tatar Jovan, Milev Sandra
Department of Civil & Environmental Engineering, Center for Composite Materials, University of Delaware, Newark, DE 19716, USA.
Polymers (Basel). 2021 Feb 28;13(5):765. doi: 10.3390/polym13050765.
Externally bonded fiber-reinforced polymer composites have been in use in civil infrastructure for decades, but their long-term performance is still difficult to predict due to many knowledge gaps in the understanding of degradation mechanisms. This paper summarizes critical durability issues associated with the application of fiber-reinforced polymer (FRP) composites for rehabilitation of concrete structures. A variety of factors that affect the longevity of FRP composites are discussed: installation, quality control, material selection, and environmental conditions. Critical review of design approaches currently used in various international design guidelines is presented to identify potential opportunities for refinement of design guidance with respect to durability. Interdisciplinary approaches that combine materials science and structural engineering are recognized as having potential to develop composites with improved durability.
外部粘结的纤维增强聚合物复合材料已在民用基础设施中使用了数十年，但由于在降解机制理解方面存在许多知识空白，其长期性能仍然难以预测。本文总结了与纤维增强聚合物（FRP）复合材料用于混凝土结构修复相关的关键耐久性问题。讨论了影响FRP复合材料使用寿命的各种因素：安装、质量控制、材料选择和环境条件。对目前各种国际设计指南中使用的设计方法进行了批判性审查，以确定在耐久性方面改进设计指南的潜在机会。结合材料科学和结构工程的跨学科方法被认为具有开发耐久性更好的复合材料的潜力。
Zotero 插件
