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24 Jul 2014

Technical Reports

Construction Loads Experienced by Plastic Composite Ties

Author
Richard Reiff

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Plastic tie, composite tie, tie insertion, tie nipping, bending loads

Abstract: Damage to plastic composite ties during handling and track installation has been reported by a number of railroads. Results from a survey conducted to identify specific handling...

Report Number
DOT/FRA/ORD-14/25
Office
RDI-21

24 Jul 2014

Technical Reports

Multifunction LIDAR Sensors for Noncontact, Speed, and Complex Rail Dynamics

Author
Mehdi Ahmadian, Michael Craft and Cameron Stuart

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: LIDAR, noncontact velocity measurement, curvature, alignment, ATGMS, track geometry, Railway Technologies Laboratory, Virginia Tech

Abstract: The results of an extensive series of tests are presented to evaluate the viability and applicability of LIDAR systems for measuring track speed, distance, and curvature in...

Report Number
DOT/FRA/ORD-14/26
Office
RDI-21

24 Jul 2014

Technical Reports

Rail Base Corrosion and Cracking Prevention

Author
Dr. George W. Ritter, EWI; Dr. William C. Mohr, EWI; Dr. David Y. Jeong, Volpe NTS Center; Yim A. Tang, Volpe NTS Center; Cameron Stuart, Federal Railroad Administration, US DOT

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Rail base corrosion, corrosion, corrosion treatments, fatigue, rail life

Abstract: Rail base corrosion combined with fatigue or damage can significantly reduce rail life. Studies were done to examine the relative contribution of damage, corrosion, and fatigue on...

Report Number
DOT/FRA/ORD-14/27
Office
RDI-21

23 Jul 2014

Policy and Guidance

Safety Action Plan for Hazardous Materials Safety

Keywords: Emergency Order 28, Safety Advisory 2013-06, hazardous materials safety, action plan

23 Jul 2014

Policy and Guidance

Safety Action Plan for Hazardous Materials Safety

Keywords: KEYWORDS: Emergency Order 28, Safety Advisory 2013-06, hazardous materials safety, action plan