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52550
  
  

  29
Sep
2017
Technical Reports
A Survey of Wheel/Rail Friction
Author
          Federal Railroad Administration

Subject
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** Friction, friction management, lubrication, vehicle-track interaction, wheel-rail interaction v
**Abstract:** Friction has a huge influence on the vehicle/track interaction and yet it remains poorly understood, its consideration an afterthought in many simulation activities. This survey...
Report Number
              DOT/FRA/ORD-17/21

  Office
              RDI-21
    5
Jul
2016
Technical Reports
Engineering Design for Pedestrian Safety at Highway-Rail Grade Crossings.
Author
          Federal Railroad Administration

Subject
                    Grade Crossing Pedestrian Safety,
                    Signal and Train Control

**Keywords:** Highway-rail grade crossing, pedestrian safety, trespass, railroad safety, grade crossing treatments
**Abstract:** Researchers conducted a literature review and sought input from railroads to compile a list of methods currently used to increase pedestrian safety at grade crossings.
Report Number
              DOT/FRA/ORD-16/24

  Office
              RDI-23
    25
Jul
2014
Technical Reports
Evaluation of Wheel/Rail Contact Mechanics: Concepts Report
Author
          Mehdi Ahmadian and Michael Craft

Subject
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** Roller Rig, Wheel-Rail Contact Mechanics, Rail Vehicle Dynamics, Contact Patch Dynamics, Wheel Forces and Moments
**Abstract:** A need exists for a new test rig design with advanced sensing technologies that will allow the railroad industry and regulatory agencies to better understand the wheel-rail...
Report Number
              DOT/FRA/ORD-14/28

  Office
              RDI-21
    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

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