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1 Aug 1984

Technical Reports

Correlation of Concrete Tie Track Performance in Revenue Service and at the Facility for Accelerated Service Testing : Volume I

Author
Federal Railroad Administration; H.D. Harrison; E.T. Selig; F.E. Dean; H.E. Stewart

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Concerete ties, FAST

Abstract: This report is the first of three volumes which describe a comparative study of concrete tie track in U.S. revenue service and at the Facility for Accelerated Service Testing (...

Report Number
FRA/ORD-84/02.1
Office
RPD-10

1 Aug 1984

Technical Reports

Correlation of Concrete Tie Track Performance in Revenue Service and at the Facility for Accelerated Service Testing : Volume II Predictions and Evaluations of Track Settlement

Author
Federal Railroad Administration; Harry E. Stewart; Ernest T. Selig

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Ballast, Subgrade, FAST, Concrete ties

Abstract: Predictions and evaluations of settlement were made for revenue and the Facility for Accelerated Service Testing (FAST) track, both containing concrete and wood tie sections. The...

Report Number
DOT/FRA/ORD-84/02.2
Office
RDI-20

1 Nov 1983

Technical Reports

Investigation of the Effects of Tie Pad Stiffness on the Impact Loading of Concrete Ties in the Northeast Corridor

Author
Federal Railroad Administration; F.E. Dean; H.D. Harrison; R.H. Prause; J. M. Tuten

Subject Tracks & Structures

Keywords: Concrete ties, Fasteners, Track stiffness

Abstract: This investigation was conducated in response to the discovery in June 1980, that rail seat bending cracks had developed in many concrete ties which had been in service on the...

Report Number
DOT/FRA/ORD-83/05
Office
RPD-10

1 May 1983

Technical Reports

Parametric Studies on Lateral Stability of Welded Rail Track

Author
Federal Railroad Administration; G. Samavedem; A. Kish; D. Jeong

Subject Track, Tracks & Structures, Track/Train Interactions

Keywords: Track buckling, buckling, welded track

Abstract: Thermal buckling of railroad tracks in the lateral plane is an important problem in the design and maintenance of continuous welded rails (CWR). The severity of the problem is...

Report Number
DOT/FRA/ORD-83/07
Office
RPD-10

1 May 1983

Technical Reports

Determination of Residual Stresses in Rails

Author
Federal Railroad Administration; J.J. Groom

Subject Fatigue Management, Track, Tracks & Structures, Track/Train Interactions

Keywords: Fatigue, Rail stress

Abstract: A destructive sectioning technique for measuring the complete three-dimensional residual stresses in a rail cross section was developed. The technique was applied to four tangent...

Report Number
DOT/FRA/ORD-83/05
Office
RRD