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Keywords: Accident Investigations, Union Pacific
Abstract: On February 3, 2017, at approximately 8:55 p.m., CST, southbound Union Pacific Railroad (UP) Coal Train CWTCL9-01, with 2 lead locomotives, 2 distributed power locomotives at the...
Keywords: Concrete railroad ties, alkali-silica reaction (ASR), delayed ettringite formation (DEF), impact echo, material analysis, prestressing tendons, degradation mechanisms, petrographic analyses, bursting and splitting forces, transfer strength and length
Abstract: Simpson Gumpertz & Heger Inc. conducted an investigation into the factors that caused widespread failure in prestressed concrete railroad ties on the Northeast Corridor. The...
Keywords: Fiber Optic, Broken Rail, Acoustic, Seismic, Rail Break, Wayside Systems
Abstract: This report describes the activities and presents the results of a feasibility study to examine the viability of using fiber-optic acoustic technologies to detect broken rails in...
Keywords: 49CFR Transportation, international high speed rail standards
Abstract: This report compares international standards with selected parts of Federal Railroad Administration (FRA) Code of Federal Regulation Title 49 CFR Transportation. The parts were...