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1
Mar
1977
Technical Reports
The Cause of Thermal Fatigue Cracking In Metroliner Wheels
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
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
1
Mar
1977
Technical Reports
Maintaining Alertness in Railroad Locomotive Crews
Subject
Safety Advisories,
Locomotive Standards (Safety & Noise)
Keywords: Altertness; Locomotive cab; Safety; Human factors
Abstract: The problem of assuring alertness in railroad locomotive crews is defined. Principles for maintaining alertness are derived from the experimental literature on vigilance and...
Report Number
DOT/FRA/ORD-77/22
Office
RDI-20
1
Mar
1977
Technical Reports
General Vehicle Test Instrumentation Evaluation
Subject
Facilities & Test Equipment
Keywords: Transit Vehicle Testing, Dynamic Vehicle Performance, Measuring Devices, Test Equipment Testing
Abstract: A General Vehicle Test System (GVTS) has been developed by the Transportation Systems Center, Cambridge, Massachusetts to facilitate rail transit vehicle testing at the...
Report Number
UMTA-MA-06-0025-77-9
Office
RRD
1
Mar
1977
Technical Reports
Train-to-Train Rear End Impact Tests Volume III: Appendix A: Impact Test Data; Appendix B: Report of Inventions
Subject
Collision
Keywords: Baseline Impact Tests, Rear End Train Collisions, Research Data
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
FRA/ORD-76/303, III
Office
RDI-20