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- W612261777 abstract "Use of glass fiber reinforced polymer (GFRP) composite materials to rehabilitate timber Railroad Bridge is investigated in this research. Two different rehabilitation methods were developed and utilized to strengthen timber stringers using GFRP. These are composites referred to as GFRP spray lay-up and vacuum bagging of GFRP wraps. Tests were conducted on four full scale (8”×16”×12”) timber stringers in the WVU-CFC laboratory under four point bending loads. These creosote treated timber stringers were loaded up to 20% of their ultimate loads to verify their shear properties. The stringers were then repaired using the above two rehabilitation methods and retested to failure. Strengthening the stringers with GFRP composites increased the shear moduli of the two specimens by 41% and 267%. Rehabilitation and load testing were carried out on a 50+ year-old open-deck-timber railroad bridge on the South Branch Valley Railroad (SBVR) owned by west Virginia Department of Transportation (WVDOT) in Moorefield, WV. Field rehabilitation involved repairing piles using GFRP composite wraps and phenolic formaldehyde adhesives. Using a 80-ton locomotive, static and dynamic tests were performed to determine the dynamic response of the substructure. Rehabilitated SBVR Bridge No. 574 showed a 32% and 42% strain reduction in the piles and pile cap, respectively." @default.
- W612261777 created "2016-06-24" @default.
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- W612261777 date "2009-01-01" @default.
- W612261777 modified "2023-09-26" @default.
- W612261777 title "Rehabilitation of Timber Railroad Bridges with FRP Composites" @default.
- W612261777 hasPublicationYear "2009" @default.
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