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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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1 Sep 1973

Technical Reports

MBTA Green Line Tests: Riverside Line, December 1972

Author
George W. Neat

Subject High-Speed Passenger Rail, Program Evaluation

Keywords: Track Measurement Methodology, Track Geometry Measurement, Ride Roughness Measurement, Interior Noise Measurement

Abstract:

The UMTA sponsored Urban Rail Supporting Technology Program emphasizes three major task areas; facilities development, technology development, and test program development. The...

Report Number
DOT-TSC-UMTA-74-1,1
Office
RDI-21

1 Feb 1972

Technical Reports

The Feasibility of Magnetically Levitating High Speed Ground Vehicles

Author
H. T. Coffey, F. Chilton, L. O. Hoppie

Subject Facilities & Test Equipment, Maglev

Keywords: Magnetic Levitation, Dynamic Testing, Stability, Guideways

Abstract:

To determine technical feasibility of magnetically levitated and guided high-speed ground transportation vehicles theoretical analyses of four suspension systems were conducted...

Report Number
FRA-10001
Office
RDI-21

1 Oct 1971

Technical Reports

The Kansas Test Track

Author
Staff, Rail Technology Division, FRA

Subject Facilities & Test Equipment, Tracks & Structures

Keywords: Track Stability, Improved Track Structures, Track Instrumentation

Abstract: The Federal Railroad Administration and the Atchison, Topeka, & Santa Fe Railway Company are jointly sponsoring the construction of a test track as part of the railroad's...

Report Number
FRA-RT-72-08
Office
RRD

1 Aug 1971

Technical Reports

Embankment Support for a Railroad Test Track: Design Studies

Author
R. J. Dietrich, J. R. Salley

Subject Facilities & Test Equipment

Keywords: Geology, Topography, Vibration-measurement, Clay, Bedrock, Soil Strain Measurements

Abstract:

The events and considerations leading up to the production of an embankment design for the support of the Kansas test track are described. Included are discussion of: site...

Report Number
FRA-RT-72-07
Office
RDI-21

1 Sep 1970

Technical Reports

Heat-Assisted Tunnel Boring Machines

Author
J. P. Carstens, W. R. Davison, C. A. Brown, A. R. Smith, F. J. McGarry

Subject Facilities & Test Equipment, Tracks & Structures

Keywords: Tunneling Machine Performance, Laser Technology, Excavation

Abstract:

A study was performed to determine: a) the increase in tunneling machine performance in hard rock resulting from heat weakening of the rock in advance of the tunneling machine...

Report Number
FRA-RT-71-63
Office
RDI-22