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Federal Railroad Administration

The Federal Railroad Administration (FRA) promotes safe and environmentally sound rail transportation. The FRA conducts research and development tests to evaluate projects in support of its safety mission and to enhance the railroad system as a national transportation resource. Public education campaigns on highway-rail grade crossing safety and the danger of trespassing on rail property are also administered by FRA. Bookmark this collection https://rosap.ntl.bts.gov/collection_fra or https://doi.org/10.21949/1530835.

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Longitudinal Resistance Modeling for Frozen Ballast [Research Results]

CITE Title : Longitudinal Resistance Modeling for Frozen Ballast [Research Results] Creator(s) : Baillargeon, Jay;Woody, Stephen (Sean); Corporate Creator(s) : United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development;Association of American Railroads. Transportation Technology Center, Inc. (TTCI); Published Date : 2022-07-01 Report Number : RR 22-22 URL : /view/dot/64361 "Longitudinal Resistance Modeling for" (2022). "Longitudinal Resistance Modeling for Frozen Ballast [Research Results]" (2022) "Longitudinal Resistance Modeling for Frozen Ballast [Research Results]" , 2022 Export RIS Citation Information.

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Baillargeon, Jay ;

Woody, Stephen (Sean)

2022-07-01

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On behalf of the Federal Railroad Administration (FRA), Transportation Technology Center, Inc. (TTCI) developed a “proof-of-concept” finite elemen...
Joint Bar Failure Study-Field Investigation

CITE Title : Joint Bar Failure Study-Field Investigation Creator(s) : Bruzek, Radim;Jamieson, David; Corporate Creator(s) : ENSCO, Inc. Applied Technology and Engineering Division Corporate Contributor(s) : United States. Federal Railroad Administration. Office of Railroad Policy and Development;United States. Federal Railroad Administration. Office of Research, Development, and Technology; Published Date : 2019-06-01 Report Number : DOT/FRA/ORD-19/20 URL : /view/dot/40903 "Joint Bar Failure Study-Field" (2019). "Joint Bar Failure Study-Field Investigation" (2019) "Joint Bar Failure Study-Field Investigation" , 2019 Export RIS Citation Information.

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Bruzek, Radim ;

Jamieson, David

2019-06-01

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After the Federal Railroad Administration (FRA) accepted a 2011 recommendation by the Rail Safety Advisory Committee (RSAC), the agency directed its O...
Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter

CITE Title : Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter Creator(s) : Turner, Joseph A. Corporate Creator(s) : University of Nebraska--Lincoln Corporate Contributor(s) : United States. Federal Railroad Administration. Office of Railroad Policy and Development;United States. Federal Railroad Administration. Office of Research, Development, and Technology; Published Date : 2017-09-01 Report Number : DOT/FRA/ORD-17/15 URL : /view/dot/37339 "Monitoring Longitudinal Rail Stress" (2017). "Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter" (2017) "Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter" , 2017 Export RIS Citation Information.

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Turner, Joseph A.

2017-09-01

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In this report, research was conducted at the University of Nebraska-Lincoln pertaining to the use of ultrasound scattering from polycrystalline grain...
Track buckling prevention : theory, safety concepts, and applications

CITE Title : Track buckling prevention : theory, safety concepts, and applications Creator(s) : Kish, Andrew;Samavedam, Gopal; Corporate Creator(s) : John A. Volpe National Transportation Systems Center (U.S.) Corporate Contributor(s) : United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development Published Date : 2013-03-31 Report Number : DOT/FRA/ORD-13/16 URL : /view/dot/9808 "Track buckling prevention :" (2013). "Track buckling prevention : theory, safety concepts, and applications" (2013) "Track buckling prevention : theory, safety concepts, and applications" , 2013 Export RIS Citation Information.

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Kish, Andrew ;

Samavedam, Gopal

2013-03-31

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This report is a part of the John A. Volpe National Transportation Systems Center’s Track Stability Research Program for the Federal Railroad Admini...
Effect of Track Parameters on Rail Joint Bar Stresses and Crack Growth

CITE Title : Effect of Track Parameters on Rail Joint Bar Stresses and Crack Growth Creator(s) : Akhtar, Muhammad;Davis, David;Maal, Luis;Gordon, Jeff;Jeong, David Y.; Corporate Creator(s) : Transportation Technology Center, Inc.;United States. Federal Railroad Administration;John A. Volpe National Transportation Systems Center (U.S.); Corporate Contributor(s) : United States. Federal Railroad Administration. Office of Research, Development, and Technology Published Date : 2011-02-03 URL : /view/dot/36486 "Effect of Track Parameters" (2011). "Effect of Track Parameters on Rail Joint Bar Stresses and Crack Growth" (2011) "Effect of Track Parameters on Rail Joint Bar Stresses and Crack Growth" , 2011 Export RIS Citation Information.

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Akhtar, Muhammad ;

Davis, David

2011-02-03

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By their very nature, rail joints create discontinuities in the running surface of the rails. In addition to bending, thermal, and residual stresses, ...
Automated Measurement of Stress in Continuous Welded Rail

CITE Title : Automated Measurement of Stress in Continuous Welded Rail Creator(s) : Fateh, Mahmood Corporate Creator(s) : United States. Federal Railroad Administration Published Date : 2010-12-01 Report Number : RR10-16 URL : /view/dot/40238 "Automated Measurement of Stress" (2010). "Automated Measurement of Stress in Continuous Welded Rail" (2010) "Automated Measurement of Stress in Continuous Welded Rail" , 2010 Export RIS Citation Information.

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Fateh, Mahmood

2010-12-01

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Most modern railways use continuous welded rail (CWR). A major problem in CWR is the almost total absence of expansion joints to accommodate seasonal ...
Development of Rail Neutral Temperature Monitoring Device: Research Results

CITE Title : Development of Rail Neutral Temperature Monitoring Device: Research Results Creator(s) : Samavedam, Gopal;Kidd, John; Corporate Creator(s) : United States. Federal Railroad Administration Corporate Contributor(s) : United States. Federal Railroad Administration. Office of Research, Development, and Technology Contributor(s) : Al-Nazer, Leith Published Date : 2008-12-01 Report Number : RR08-31 URL : /view/dot/40519 "Development of Rail Neutral" (2008). "Development of Rail Neutral Temperature Monitoring Device: Research Results" (2008) "Development of Rail Neutral Temperature Monitoring Device: Research Results" , 2008 Export RIS Citation Information.

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Samavedam, Gopal ;

Kidd, John

2008-12-01

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With the increased use of continuously welded rail (CWR), interest in accurately, reliably, and cost-effectively monitoring rail neutral temperature (...
Risk analysis based CWR track buckling safety evaluations

CITE Title : Risk analysis based CWR track buckling safety evaluations Creator(s) : Kish, Andrew;Samavedam, Gopal; Corporate Contributor(s) : John A. Volpe National Transportation Systems Center (U.S.) Published Date : 1999-12-01 URL : /view/dot/8514 "Risk analysis based CWR" (1999). "Risk analysis based CWR track buckling safety evaluations" (1999) "Risk analysis based CWR track buckling safety evaluations" , 1999 Export RIS Citation Information.

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Kish, Andrew ;

Samavedam, Gopal

1999-12-01

:

As part of the Federal Railroad Administration's (FRA) track systems research program, the US DOT'S Volpe Center is conducting analytic and experiment...
Fundamentals of track lateral shift for high-speed rail applications

CITE Title : Fundamentals of track lateral shift for high-speed rail applications Creator(s) : Kish, Andrew;Samavedam, Gopal;Wormley, David; Corporate Contributor(s) : John A. Volpe National Transportation Systems Center (U.S.) Published Date : 1998-12-01 URL : /view/dot/8515 "Fundamentals of track lateral" (1998). "Fundamentals of track lateral shift for high-speed rail applications" (1998) "Fundamentals of track lateral shift for high-speed rail applications" , 1998 Export RIS Citation Information.

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Kish, Andrew ;

Samavedam, Gopal

1998-12-01

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The fundamental mechanics of track lateral shift due to vehicle and thermally induced loads are defined, and an analytic approach is presented for the...
Investigation on CWR longitudinal restraint behavior in winter rail break and summer destressing operations.

CITE Title : Investigation on CWR longitudinal restraint behavior in winter rail break and summer destressing operations. Creator(s) : Samavedam, G.;Gomes, J.;Kish, A.;Sluz, A.; Corporate Creator(s) : Foster-Miller, Inc.;John A. Volpe National Transportation Systems Center (U.S.); Corporate Contributor(s) : United States. Federal Railroad Administration. Office of Research and Development Published Date : 1997-08-01 Report Number : DOT-VNTSC-FRA-97-06;DOT/FRA/ORD-97/01; URL : /view/dot/9459 "Investigation on CWR longitudinal" (1997). "Investigation on CWR longitudinal restraint behavior in winter rail break and summer destressing operations." (1997) "Investigation on CWR longitudinal restraint behavior in winter rail break and summer destressing operations." , 1997 Export RIS Citation Information.

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Samavedam, G. ;

Gomes, J.

1997-08-01

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This report presents the results of investigations on the rail anchor/fastener effects on rail movement and the resulting rail force distribution in c...
Wood tie track resistance charaterization and correlations study

CITE Title : Wood tie track resistance charaterization and correlations study Creator(s) : Samavedam, G;Kanaan, A;Pietrak, J;Kish, A;Sluz, A; Corporate Creator(s) : John A. Volpe National Transportation Systems Center (U.S.);United States. Department of Transportation. Federal Railroad Administration;Foster-Miller Associates; Published Date : 1995-01-01 Report Number : DOT/FRA/ORD-94/07;DOT-VNTSC-FRA-95-1; URL : /view/dot/8867 "Wood tie track resistance" (1995). "Wood tie track resistance charaterization and correlations study" (1995) "Wood tie track resistance charaterization and correlations study" , 1995 Export RIS Citation Information.

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Samavedam, G ;

Kanaan, A

1995-01-01

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The work presented here is part of a major program to evaluate lateral buckling of continuous welded rail (CWR) tracks. The program to develop the tec...