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1 Mar 1977

Technical Reports

The Effects of Accelerated Ballast Consolidation

Author
E.G. Cunney, J.T. May, H.N. Jones

Subject Track, Track/Train Interactions

Keywords: Railroad Track; Ballast; Compaction; Track Maintenance; Stability; Buckling; Lateral Resistance

Abstract: The effects of accelerated ballast consolidation were tested on mainline tracks of the Boston and Maine, the Chessie, the Missouri Pacific, the Penn Central and the Saint Louis...

Report Number
DOT/FRA/ORD-76/274
Office
RDI-20

1 Mar 1977

Technical Reports

U.S.-U.S.S.R. Track and Rail Metallurgy Information Exchange

Author
Richard F. Beck

Subject Track

Keywords: Track Research and Development, Standards, Track Equipment, Metallurgy, Welded Rail, Track Production & Reclamation Techniques

Abstract: The report covers track research and development activities, rail metallurgy and the technology of laying welded rail, assembly and disassembly of track panels and wood tie...

Report Number
FRA/ORD-77/19
Office
RRD

1 Mar 1977

Technical Reports

Train-to-Train Rear End Impact Tests Volume I: Pre-Impact Determination of Vehicle Properties

Author
Federal Railroad Administration

Subject Collision

Keywords: Train-to-Train Impact Tests; Impacts; Baseline Impact Tests; Impact Tests; Rear End Train Collisions

Abstract: Nine train-to-train rear end impact tests were performed by the Dynamic Science Division of Ultrasystems, Inc., at DOT's Transportation Test Center under contract with the...

Report Number
DOT/FRA/ORD-76/303.I
Office
RDI-20

1 Mar 1977

Technical Reports

The Cause of Thermal Fatigue Cracking In Metroliner Wheels

Author
Federal Railroad Administration

Keywords: Metroliner Wheels; Residual Thermal Stresses; Thermal Cracking; Macrostructure; Microstructure

Abstract: One new wheel and two used wheels (one with a thermal crack in the tread) were examined for mechanical properties, macrostructure, microstructure, and residual stresses. Similar...

Report Number
DOT/FRA/ORD-77/17
Office
RDI-20

1 Mar 1977

Technical Reports

Train-to-Train Rear End Impact Tests Volume II: Impact Test Summaries

Author
Federal Railroad Administration; R.L. Anderson; P.L. Cramer

Subject Safety Advisories, Safety Regulatory Analysis, Safety Performance Measures

Keywords: Train to train impact tests, Impact, Baseline impact tests, Rear end train collisions

Abstract: This final report documents these nine tests. Volume I, Pre-Impact Determination of Vehicle Properties, summarizes the vehicle properties obtained prior to the impact tests. These...

Report Number
DOT/FRA/ORD-76/303.II
Office
RDI-20