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eLibrary Search

The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.

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To search an exact document title or key phrase, place quotations around the text. Example: "U.S. Government Grade Crossing Research & Stakeholder Engagement" Entering keywords without quotations will search the eLibrary for all occurrences of the keywords.

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

24 Jul 2014

Research Results

UIUC Concrete Tie and Fastener Field Testing at TTC

Author
Cameron Stuart

Subject Track, Track/Train Interactions, Tracks & Structures

Keywords: Concrete crossties, elastic fastening systems, field instrumentation, concrete sleepers, loading conditions, displacements

Report Number
RR 14-23
Office
RDI-21

24 Jul 2014

Research Results

Ground Penetrating Radar Evaluation and Implementation

Author
Hugh B. Thompson II and Gary Carr

Subject Track, Track/Train Interactions, Tracks & Structures

Keywords: GPR, ground penetrating radar, ballast, subballast, substructure, fouled ballast, ballast moisture

Report Number
RR 14-24
Office
RDI-21

13 Jun 2014

Research Results

Part 1: Heavy Axle Load Revenue Service Mega Site Testing 2005–2012

Author
Luis Maal and Gary Carr

Subject Heavy Axle Load (HAL), Track, Track/Train Interactions, Tracks & Structures

Keywords: Heavy axle load, track infrastructure, mega sites

Report Number
RR 14-13
Office
RDI-21