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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 Mar 2014

Technical Reports

Performance Evaluation of Concrete Railroad Ties on the Northeast Corridor

Author
Ronald A. Mayville, Liying Jiang, Matthew Sherman

Subject Track, Tracks & Structures

Keywords: Concrete railroad ties, alkali-silica reaction (ASR), delayed ettringite formation (DEF), impact echo, material analysis, prestressing tendons, degradation mechanisms, petrographic analyses, bursting and splitting forces, transfer strength and length

Abstract: Simpson Gumpertz & Heger Inc. conducted an investigation into the factors that caused widespread failure in prestressed concrete railroad ties on the Northeast Corridor. The...

Report Number
DOT/FRA/RPD-14/03
Office
RRD

8 Jan 2014

Other Reports

Characterization of Locomotive Engineer Schedules

Author
Judith Gertler

Subject Human Factors, Worker Protection, Work Schedule & Sleep Patterns

Keywords: Characterization of Locomotive Engineer Schedules; work

Report Number
DOT/FRA/ORD-14/01
Office
RRD

18 Oct 2013

Technical Reports

Feasibility Study of Fiber-Optic Technology for Broken Rail Detection

Author
Matthew D. Holcomb and W. David Mauger

Subject Rail and Infrastructure Integrity, Track, Tracks & Structures

Keywords: Fiber Optic, Broken Rail, Acoustic, Seismic, Rail Break, Wayside Systems

Abstract: This report describes the activities and presents the results of a feasibility study to examine the viability of using fiber-optic acoustic technologies to detect broken rails in...

Report Number
DOT/FRA/ORD-13/44
Office
RRD

17 Oct 2013

Technical Reports

Freeze-Thaw Performance Testing of Whole Concrete Railroad Ties

Author
Kyle Riding, Mohammed Albahttiti, Ahmad Ghadban, Cameron Stuart

Subject Track, Tracks & Structures

Keywords: Concrete freeze-thaw durability, concrete railroad ties, ASTM C666

Abstract: Freezing and thawing durability tests of prestressed concrete ties are normally performed according to ASTM C666 specifications. Small specimens are cut from the shoulders of...

Report Number
DOT/FRA/ORD-13/39
Office
RRD

13 Aug 2013

Research Results

Testing of Wide-Gap Welds at Eastern Mega Site

Author
Luis Maal

Subject Track, Track/Train Interactions, Tracks & Structures

Keywords: Wide-gap weld, thermite, revenue service

Report Number
RR 13-35
Office
RDI-21