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General

Fracture Resistance of Railroad Wheels

The effects of manufacturing method, chemical composition, heat treatment, temperature, and loading rate on the plane strain fracture toughness KIC of railroad wheels have been determined. Carbon content of the wheels is shown to be the principal factor which controls their toughness. One...

State Grade Crossing Programs: A Case Study

This report reviews the California Railroad-Highway Grade Crossing Program, analyzing the factors influencing the reduction in grade crossing accidents. The report concludes that the greater than average success in grade crossing safety in California has resulted from the long standing financial...

Side Impact Test and Analyses of a DOT-111 Tank Car

Transportation Technology Center, Inc. conducted a side impact test on a DOT-111 tank car to evaluate the performance of the tank car under dynamic impact conditions and to provide data for the verification and refinement of a computational model. The tank car was filled with water to...