Microstructural Characteristics of Polyurea and Polyurethanexerogels for Concrete Confinement with FRP System
Due to their exceptional mechanical properties, xerogels attract increasing attention forstructural applications. In this study, the mechanical behavior of two types of polymeric xerogelsis investigated. The excellent energy-absorbing capability of those xerogelsis demonstrated by their stress-strain relations with respect to their microstructure determined with scanning electron microscopy (SEM). A pilot study on the effects of xerogellayers in an FRP system for concrete confinementis conducted. Test results clearly indicated that the proposed multi-layer system can significantly increase the ductility of confined concrete.
M. Fakharifar et al., "Microstructural Characteristics of Polyurea and Polyurethanexerogels for Concrete Confinement with FRP System," Advanced Materials Research, vol. 742, pp. 237-242, Trans Tech Publications, Apr 2013.
The definitive version is available at http://dx.doi.org/10.4028/www.scientific.net/AMR.742.237
2013 International Conference on Civil, Materials and Environmental Sciences, CMES 2013 (2013: Apr. 17-18, Vancouver, Canada)
Civil, Architectural and Environmental Engineering
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