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52550
  
  

  10
May
2019
Research Results
Determining Bond-Slip Characteristics of Prestressing Tendons with Varying Geometries in Two Concrete Mixtures
Author
          Federal Railroad Administration

Subject
                    Tracks & Structures

**Keywords:** Track, ties, concrete, bond-slip, prestressing tendons
**Abstract:** Untensioned pullout tests were conducted to obtain the bond-slip characteristics of two groups of prestressing tendons used in concrete railroad tie production. The purpose of...
Report Number
              RR 19-13

  Office
              RDI-21
    19
Apr
2019
Research Results
Impact of Water on Cracked Concrete Crosstie Service Life
Author
          Federal Railroad Administration

Subject
                    Tracks & Structures

**Keywords:** Concrete crossties, water damage, center cracks, cyclic loading
**Abstract:** To investigate the impact of moisture on crack growth and other tie damage, UIUC researchers subjected pretensioned concrete crossties and small-scale beams to repeated loading...
Report Number
              DOT/FRA/ORD-19/11

  Office
              RDI-21
    1
Oct
2018
Reports to Congress
National Strategy to Prevent Trespassing on Railroad Property
Author
          Federal Railroad Administration

Subject
                    Trespasser Programs,
                    Accident Reduction,
                    Grade Crossings


**Abstract:** Trespassing on railroad property is the leading cause of all rail-related deaths in the United States. More people are struck and killed by trains each year while trespassing –...
    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
    19
Jul
2016
Other Reports
Federal Railroad Administration Guide for Preparing U.S. DOT Crossing Inventory Forms
Author
          Office of  Railroad Safety

Subject
                    Grade Crossings,
                    Highway-Rail Grade Crossings


**Abstract:** This Guide for Preparing U.S. DOT Crossing Inventory Forms (Guide) is intended to provide guidance to operating railroads and States on completing the U.S. DOT Crossing...
Office
              RRS-23

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