FRP Strips Externally Bonded to Quasi-Brittle Substrates: Discussions and Advances of Open Research Topics
Source abstract
Abstract
In the first part of the paper, a critical review of the fundamental knowledge of the debonding mechanism of externally bonded fiber-reinforced polymer (FRP) composites from a quasi-brittle substrate (such as concrete and masonry) is presented. Then, the paper focuses on five selected research topics. Some of these topics have reached a quite mature state. However, the authors build upon their research carried out in the last 20 years and the work published in the literature to present new perspectives or clarify aspects that have not yet reached a shared consensus. Among these five topics, the following two topics are discussed more extensively and advances in their knowledge are proposed: (1) the specific features of the interfacial law (interfacial shear stress versus slip relationship) and its shape required to obtain a finite length of the stress-transfer zone and (2) the relationship between the bond capacity in direct shear tests and the force in the FRP strip corresponding to the full debonding of FRP-strengthened beams.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Structural Behavior of Reinforced Concrete · Structural Load-Bearing Analysis · Mechanical Behavior of Composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Professor, Dipartimento di Scienze Teoriche e Applicate, Univ. eCampus, via Isimbardi 10, 22060 Novedrate, Italy. ORCID: .
Ph.D. Candidate, Dept. of Civil Engineering, Case Western Reserve Univ., 10900 Euclid Ave., Cleveland, OH 44106. ORCID: .
Associate Professor, Dept. of Architecture, Built Environment, and Construction Engineering, Politecnico di Milano, Via G. Ponzio 31, 20133 Milano, Italy (corresponding author). ORCID: .
Associate Professor, Dept. of Civil Engineering, Case Western Reserve Univ., 10900 Euclid Ave., Cleveland, OH 44106.
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