Experimental investigation of HFRP composite beams

Mutsuyoshi, Hiroshi and Hai, Nguyen Duc and Shiroki, Kensuke and Aravinthan, Thiru and Manalo, Allan (2011) Experimental investigation of HFRP composite beams. In: FRPRCS-10: 10th International Symposium on Fiber Reinforced Polymer Reinforcement for Concrete Structures , 2-4 Apr 2011, Tampa, FL. United States.

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Abstract

This paper presents the development of composite beams using hybrid CFRP/GFRP (HFRP) I-beam and Normal Strength Concrete (NSC) slab and precast Ultra-High Performance fiber reinforced Concrete (UHPFRC) slab. UHPFRC has high strength and high ductility allowing for a reduction in the cross-sectional area and self weight of the beam. A number of full-scale flexural beam tests were conducted using different dimensions of slab and with/without epoxy bonding between the slab and HFRP I-beam. The test results suggested that the flexural stiffness of composite beams with bolted and bonded shear connection is higher than that with bolted-only shear connection. Delamination failure was not observed in the compressive flange of the HFRP I-beam and the high tensile strength of CFRP in the bottom flange was effectively utilized with the addition of the UHPFRC slab on the top flange.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: Paper no. 13
Depositing User: Mr Allan Manalo
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Agricultural, Civil and Environmental Engineering
Date Deposited: 06 Jun 2012 05:53
Last Modified: 12 Aug 2014 05:04
Uncontrolled Keywords: composite beam; hybrid fiber reinforced polymer; normal strength concrete; ultra-high performance fiber-reinforced concrete; flexural stiffness
Fields of Research (FOR2008): 09 Engineering > 0905 Civil Engineering > 090506 Structural Engineering
09 Engineering > 0905 Civil Engineering > 090503 Construction Materials
09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials
Socio-Economic Objective (SEO2008): B Economic Development > 87 Construction > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials
URI: http://eprints.usq.edu.au/id/eprint/20491

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