Investigation of tie plate icing/ice jacking / for Transport Canada ; prepared by Yin Gao.: T33-38/2022E-PDF

"MxV Rail (formerly TTCI) investigated and documented the tie plate icing/ice jacking during three field inspection trips to three railroads in cold weather conditions. The research detailed in this report was completed between January 2022 and April 2022 under Transport Canada contract T8009-180251/001/TOR, and the work has led to an improved understanding of the inspection, formation mechanism, identification, and remediation of tie plate icing. The findings from this research will be used in future phases to perform modeling, laboratory testing, and in-track testing used to further understand and remediate tie plate icing. The overall goal of this research is to understand 1) the root causes and effects of tie plate icing on track performance and train operation safety, 2) potential methods for identification and monitoring of tie plate icing, and 3) potential remedial methods and actions for tie plate icing. Case studies (field inspections) were conducted at the railroad sites where tie plate icing problems occurred in the past to gain an understanding of the issue and acquire the experience from the railroads. …"--Executive summary, page i.

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