期刊
COMPOSITE STRUCTURES
卷 147, 期 -, 页码 143-154出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2016.03.037
关键词
FRP; Masonry; Bond; Durability; Environmental degradation; Mechanical testing
资金
- Ministerio da Ciencia, Tecnologia e Ensino Superior, FCT, Portugal [SFRH/BPD/92614/2013]
Externally bonded reinforcement (EBR) of masonry structures with Fiber Reinforced Polymers (FRPs) has received extensive attention during the last years. Despite the vast literature on mechanics and short-term performance, the durability and long-term performance of these systems still remain insufficiently studied. Structures are subjected to harsh environments such as coupled temperature and moisture variations (hygrothermal conditions) during their service life. A clear understanding on the performance of the strengthening system under these conditions is critical at the design stage. This paper presents an experimental investigation on the effect of long-term hygrothermal conditions on FRP-strengthened masonry components. The focus is on the interfacial bond behavior and materials mechanical properties. The effect of mechanical surface treatment on the bond durability is also investigated. (C) 2016 Elsevier Ltd. All rights reserved.
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