A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Durability gap analysis for fiber-reinforced polymer composites in civil infrastructure
Fiber-reinforced polymr (FRP) composites are increasingly being used in civil infrastructure. The lack of a comprehensive database on FRP materials makes it difficult for the practicing civil engineer to use FRP composites on a routine basis. This paper summarizes the results of such an effort in detailing critical gaps in knowledge vis-a-vis the durability of FRP composites to be used in civil infrastructure applications. Based on the gap analysis it appears that there is a substantial commonality of needs, which provides for the selection of a set of data/research requirements that is critical to the generic implementation of FRP composites in civil infrastructure. These needs are as follows: Collection, assessment, and appropriate documentation of available data in a form useable by the civil engineer/designer. Testing over extended (18+ months) time periods. Testing under combined conditions (stress, moisture, solution, temperature, and/or other regimes) at both the materials and structural levels is critical. Assessment and characterization of the effects of incomplete cure and undercure. Development of standardized solutions and conditions for laboratory studies that closely simulate actual field conditions and development of appropriate resin systems, gel coats, and coatings that would serve as protective layers for the bulk composite against external influences including environmental condition, intended, and accidental damage.
Durability gap analysis for fiber-reinforced polymer composites in civil infrastructure
Fiber-reinforced polymr (FRP) composites are increasingly being used in civil infrastructure. The lack of a comprehensive database on FRP materials makes it difficult for the practicing civil engineer to use FRP composites on a routine basis. This paper summarizes the results of such an effort in detailing critical gaps in knowledge vis-a-vis the durability of FRP composites to be used in civil infrastructure applications. Based on the gap analysis it appears that there is a substantial commonality of needs, which provides for the selection of a set of data/research requirements that is critical to the generic implementation of FRP composites in civil infrastructure. These needs are as follows: Collection, assessment, and appropriate documentation of available data in a form useable by the civil engineer/designer. Testing over extended (18+ months) time periods. Testing under combined conditions (stress, moisture, solution, temperature, and/or other regimes) at both the materials and structural levels is critical. Assessment and characterization of the effects of incomplete cure and undercure. Development of standardized solutions and conditions for laboratory studies that closely simulate actual field conditions and development of appropriate resin systems, gel coats, and coatings that would serve as protective layers for the bulk composite against external influences including environmental condition, intended, and accidental damage.
Durability gap analysis for fiber-reinforced polymer composites in civil infrastructure
Analyse der Wissenslücken bezüglich der Haltbarkeit von faserverstärkten Kunststoffen bei Verwendung im Infrastruktur-Bauingenieurwesen
Karbhari, V.M. (author) / Chin, J.W. (author) / Hunston, D. (author) / Benmokrane, B. (author) / Juska, T. (author) / Morgan, R. (author) / Lesko, J.J. (author) / Sorathia, U. (author) / Reynaud, D. (author)
Journal of Composites for Construction ; 7 ; 238-247
2003
10 Seiten, 10 Bilder, 54 Quellen
Article (Journal)
English
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