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    Measuring the Underground Corrosion of Steel Piling at Turcot Yard, Montreal, Canada — A 14 Year Study

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    This paper describes a 14 year study of the corrosion of steel H-piles in soil at Turcot Yard, Montreal, Canada. The program was directed at evaluating the corrosion of these piles in disturbed and undisturbed soils. Three sets of steel H-piles were placed in the ground, one set without protection, a second set coated in the disturbed soil region, and a third set with concrete caps. Each set consisted of six vertical piles driven to bedrock and one pile placed horizontally in an excavation which was then backfilled. A steel pier, supporting a portion of the Transcanadian Highway, was included in the study. Electrochemical polarization measurements were made annually during the period of exposure, and periodically, selected piles were extracted for examination and physical measurements. The results show that corrosion of the steel piles in undisturbed soil is less than 0.33 mils per year (8.1 μm/y), but in all cases, corrosion is low. The electrochemical polarization measurements indicate that corrosion of the steel piles supporting the pier has decreased by more than an order of magnitude over the 14 year period.


    bare steel, coated steel, concrete capped steel H-piles, disturbed soil, instantaneous corrosion rate, polarization resistance, underground corrosion, undisturbed soil

    Author Information:

    Escalante, E
    Metallurgist, Corrosion Group, National Institute of Standards & Technology, Gaithersburg, MD

    Committee/Subcommittee: G01.10

    DOI: 10.1520/STP19772S