Date of Award
Civil and Environmental Engineering
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The use of Glass Fibre Reinforced Plastics (GFRP) in reinforced concrete culverts has been investigated as an alternative rust free material to replace the conventional steel bars. Structures reinforced with GFRP show early development of cracks followed by proportional increase in loading and deflection as a result of the reduced bending rigidity compared to members reinforced with steel rebars. The reduction in bending rigidity is desirable in buried structures due to the fact that their behaviour is governed by the soil-structure interaction in which the bending moment and shear forces are reduced in the culvert walls with the reduction of its bending rigidity. All design formulas are based on the use of steel bars in the reinforced concrete structures. The current study examines the validity of the design formulas to be used when replacing the steel bars by GFRP. An experimental study was conducted on eight simply supported circular reinforced concrete arches and four simply supported reinforced concrete beams. All models were loaded in two locations with two concentrated line loads. Different strength and failure modes were examined, such as the radial tension capacity, the flexural capacity, the shear load carrying capacity, and the influence of axial forces on the shear load carrying capacity. Also, the bending rigidity for members reinforced with GFRP is compared to the bending rigidity of members reinforced with steel.Dept. of Civil and Environmental Engineering. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis1995 .H37. Source: Masters Abstracts International, Volume: 34-06, page: 2425. Adviser: George Abdel-Sayed. Thesis (M.A.Sc.)--University of Windsor (Canada), 1995.
Hanna, Atef Awad., "Concrete culverts reinforced with glass fibre reinforced plastics (GFRP)." (1995). Electronic Theses and Dissertations. 1535.