Track Gage Widening: Model Study

by Allan M. Zarembski, (M.ASCE), Manager; Track Research Associate of American Railroads, Technical Center, Chicago, Ill.,
Mostafa Rassaian, Project Engr.; Truck Design Section, Electro Motive Div., General Motors Corp., LaGrange, Ill.,


Serial Information: Transportation Engineering Journal of ASCE, 1979, Vol. 105, Issue 6, Pg. 715-731


Document Type: Journal Paper

Abstract: The paper contains a study of two models which represent the mechanisms of gage widening and rail roll in a track subjected to vertical, lateral, and longitudinal loading. The deformation mechanisms of the rail-fasteners-tie system under service loads was investigated, and the results compared with track test data. It was found that two distinct deformation mechanisms, rail translation and rail roll are mechanically coupled by the track system and can not be readily separated in any analysis.

Subject Headings: Model analysis | Railroad tracks | Longitudinal loads | Lateral loads | Service loads | Load factors | Deformation (mechanics)

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