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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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21 Nov 2018

Research Results

Report on the New Rail Integrity and Performance Testing at the Mega Sites

Author
Federal Railroad Administration

Subject Heavy Axle Load (HAL)

Keywords: Rail, rolling contact fatigue, RCF, wear, friction control, grinding

Abstract:

Since 2005, the Association of American Railroads (AAR) and the Federal Railroad Administration (FRA) have co-sponsored ongoing rail performance testing under mainline heavy...

Report Number
RR 18-17
Office
RDI-21

6 Jun 2018

Research Results

Ballast Degradation Under Heavy Axle Load Trains at the Western Mega Site

Author
Federal Railroad Administration

Subject Heavy Axle Load (HAL)

Keywords: Ballast degradation, triaxial testing, ballast box, heavy axle load, HAL

Abstract:

Transportation Technology Center, Inc. (TTCI) and the University of Illinois Urbana-Champaign (UIUC), in conjunction with Union Pacific Railroad (UP), investigated ballast...

Report Number
RR 18-09
Office
RDI-21

27 Feb 2018

Research Results

Performance of No. 20 Frogs of Various Designs in Revenue Service

Author
Federal Railroad Administration

Subject Heavy Axle Load (HAL), Track

Keywords: Special trackwork, turnout frogs, frog heel, frog point, HAL

Abstract:

Transportation Technology Center, Inc. (TTCI) tested and evaluated the performance of four No. 20 fixed-point frogs on the Norfolk Southern Railway (NS) track as part of the...

Report Number
RR 18-04
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

13 Jun 2014

Research Results

Part 2: 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: Part 2: Heavy Axle Load Revenue Service Mega Site Testing 2005–2012

Report Number
RR 14-14
Office
RDI-21