United States Department of Transportation
i
Repair of Corroded Steel H-Piles Using High Performance Material – Phase II (UHPC and FRP Repair Sections)
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2021-11-01
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[PDF-3.25 MB]
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Alternative Title:Repair of Corroded Steel H-Piles Using High Performance Material – Phase II [Project Title from Cover]
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Corporate Contributors:Missouri. Department of Transportation. Construction and Materials Division ; United States. Department of Transportation. Federal Highway Administration ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
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Edition:Final Report Jan 2019 – Sept 2020
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Abstract:This report summarizes the details of experimental work conducted to evaluate the performance of repaired after-corrosion H-piles. Six full-scale H-piles were investigated under concentric loads. The piles had milled cross-sections to represent the loss of a cross-sectional area due to corrosion. Two different repair solutions were investigated: concrete-filled pultruded fiber reinforced polymer tubes (CFPTs) and ultra-high performance concrete (UHPC) plates. A push-out test of fourteen specimens was carried out to optimize the two repair techniques. This was followed by repairing six full-scale H-piles using the two different methods. The UHPC plates repair approach was able to recover the strength of the corroded piles. The UHPC, however, represented a fast repair solution. Concrete filled pultruded FRP tubes repair was not able to recover the strength of the virgin piles. The concrete-filled pultruded FRP tubes solution was not able to recover the strength of the repaired pile.
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