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Discussion of “Mitigation of Ground Vibration Generated by High-Speed Trains on Saturated Poroelastic Ground with Under-Sleeper Pads” by Zhigang Cao, Yuanqiang Cai, and Jie Han
Publisher: American Society of Civil Engineers
Determination of Prestressing Force in Railway Concrete Sleepers Using Dynamic Relaxation Technique
Publisher: American Society of Civil Engineers
Abstract: Prestressed concrete sleepers (or railroad ties) are designed to carry and transfer the wheel loads from the rails to the track foundation. Over a period of time, a railway track could experience various types of static ...
Dynamic Crack Propagations in Prestressed Concrete Sleepers in Railway Track Systems Subjected to Severe Impact Loads
Publisher: American Society of Civil Engineers
Abstract: Prestressed concrete sleepers (or railroad ties) are the crosstie beam support in railway track systems. They are designed and constructed under flexural constraints in order to carry and transfer the dynamic wheel loads ...
Torsional Effect on Track-Support Structures of Railway Turnouts Crossing Impact
Publisher: American Society of Civil Engineers
Abstract: The introduction of special crossings and rail turnouts provides flexibility in the rail network as it allows for vehicles to switch between various tracks, thereby maximizing the utilization of current infrastructure. ...
Greener and Leaner—Unleashing Capacity of Railroad Concrete Ties via Limit States Concept
Publisher: American Society of Civil Engineers
Abstract: New knowledge has raised a concern about the cost-ineffective design methods and the true performance of railroad prestressed concrete ties. Because of previous knowledge deficiencies, railway civil and track engineers ...
Risk-Based Maintenance Planning for Rail Fastening Systems
Publisher: American Society of Civil Engineers
Abstract: Failures in rail fasteners can lead to misalignments of the rails and even cause a train derailment. Current inspection and maintenance regimes for rail fasteners, however, do not adequately address the credible failure ...
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