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Article

Flexural Behavior of a Precast Concrete Deck Connected with Headed GFRP Rebars and UHPC

1
School of Civil, Environmental, and Architectural Engineering, Korea University, Seoul 02841, Korea
2
Department of Infrastructure Safety Research, Korea Institute of Civil Engineering and Building Technology, Goyang 10223, Korea
3
School of Agricultural Civil & Bio-industrial Engineering, Kyungpook National University, Daegu 41566, Korea
*
Authors to whom correspondence should be addressed.
Materials 2020, 13(3), 604; https://doi.org/10.3390/ma13030604
Received: 2 October 2019 / Revised: 20 January 2020 / Accepted: 23 January 2020 / Published: 29 January 2020
(This article belongs to the Special Issue Innovative Materials for Construction)
Steel bent reinforcing bars (rebars) are widely used to provide adequate anchorage. Bent fiber-reinforced polymer (FRP) rebars are rarely used because of the difficulty faced during the bending process of the FRP rebars at the construction site. Additionally, the bending process may cause a significant decrease in the structural performance of the FRP rebars. Therefore, to overcome these drawbacks, a headed glass fiber-reinforced polymer (GFRP) rebar was developed in this study. The pull-out tests of the headed GFRP rebars with diameters of 16 and 19 mm were conducted to evaluate their bond properties in various cementitious materials. Moreover, structural flexural tests were conducted on seven precast concrete decks connected with the headed GFRP rebars and various cementitious fillers to estimate the flexural behavior of the connected decks. The results demonstrate that the concrete decks connected with the headed GFRP rebar and ultra-high-performance concrete (UHPC) exhibited improved flexural performance. View Full-Text
Keywords: glass fiber-reinforced polymer (GFRP) rebar; ultra-high-performance concrete (UHPC); concrete headed GFRP rebar; bond strength; development length; flexural strength; precast concrete deck glass fiber-reinforced polymer (GFRP) rebar; ultra-high-performance concrete (UHPC); concrete headed GFRP rebar; bond strength; development length; flexural strength; precast concrete deck
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MDPI and ACS Style

Chin, W.J.; Park, Y.H.; Cho, J.-R.; Lee, J.-Y.; Yoon, Y.-S. Flexural Behavior of a Precast Concrete Deck Connected with Headed GFRP Rebars and UHPC. Materials 2020, 13, 604. https://doi.org/10.3390/ma13030604

AMA Style

Chin WJ, Park YH, Cho J-R, Lee J-Y, Yoon Y-S. Flexural Behavior of a Precast Concrete Deck Connected with Headed GFRP Rebars and UHPC. Materials. 2020; 13(3):604. https://doi.org/10.3390/ma13030604

Chicago/Turabian Style

Chin, Won J., Young H. Park, Jeong-Rae Cho, Jin-Young Lee, and Young-Soo Yoon. 2020. "Flexural Behavior of a Precast Concrete Deck Connected with Headed GFRP Rebars and UHPC" Materials 13, no. 3: 604. https://doi.org/10.3390/ma13030604

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