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Keywords: Passenger rail car, workstation tables, energy absorption, interior crashworthiness, train collision safety
Abstract: Sharma & Associates, Inc. (SA) performed quasi-static destructive loading tests on two different designs of passenger workstation tables in accordance with the requirements of...
Material and Manufacturing Requirements for Freeze-Thaw Durable Concrete Railroad Ties, Appendices A Through C
Keywords: Concrete consolidation, air void system, freeze-thaw durability, concrete crosstie
Abstract: Appendix A documents additional rheological data taken on concrete during vibration; while Appendix B depicts the measured and predicted temperature and relative humidity of...
Appendix A documents additional rheological data taken on concrete during vibration; while Appendix B depicts the measured and predicted temperature and relative humidity of...
Keywords: Concrete, crossties, ties, Rayleigh waves, impact echo, impact velocity
Abstract: This report documents NDT Corporation’s development of a non-destructive system for inspecting the internal condition of concrete crossties using sonic/ultrasonic impact velocity...