The objective of the study is to identify and evaluate potential problems involving wheel-rail interaction which could limit the speed of a high speed rail (HSR) system. The study is based upon a survey of existing knowledge in the areas pertinent to wheel-rail interaction; no extensive analytical work is presented, but several approximate calculations are given. An attempt has been made to investigate possible wheel-rail speed limitations and to set aside some of the 'non-problems' which may at first appear to constitute a serious constraint upon rolling HSR concepts. The results and discussion are concentrated in four main areas; estimation of the dynamic loads; wheel behavior and structural integrity; rail dynamics and structural integrity; adhesion, hunting, and related problems. (Author)
Some Problems of Wheel/Rail Interaction Associated with High-Speed Trains
1969
57 pages
Report
No indication
English
Road Transportation , Railroads , Railroad tracks , Roadwheels , Interactions , Loading(Mechanics) , Anomalies , Structural properties , Stresses , Failure(Mechanics) , Wear resistance , Problem solving , Vibration , Force(Mechanics) , Mathematical models , Velocity , Behavior , Wheel rail interactions , High speed railway trains
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