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Keywords: Ballast behavior, discrete element modeling, DEM, Discrete Element Method, triaxial test, fouling, dynamic train loading, ballast degradation and image analysis
Abstract: An innovative integrated computational-experimental laboratory testing framework has been developed at the University of Illinois at Urbana-Champaign to evaluate clean and fouled...
Keywords: Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
Abstract: When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...