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1 Jul 1971

Technical Reports

The Sound Environment in Locomotive Cabs

Author
John P. Aurelius

Subject Locomotive Standards (Safety & Noise)

Keywords: Locomotive Noise Levels, Acoustic Measurement and Analysis

Abstract:

Measurements of the sound environment in locomotive cabs including audible warnings perceived by crew members are described. Data was collected during two different test runs...

Report Number
FRA-RP-71-2A
Office
RDI-24

1 Nov 1970

Technical Reports

A Study to Reduce the Hazards of Tank Car Transportation

Author
Bullerdiek, Vassallo, Adams and Matheis

Subject Hazardous Materials

Keywords: hazardous materials; costs; fire exposure; transport; heat transfer; liquefied compressed gases; relief system design; safety; tank cars

Abstract:

The report details the findings of a 4-month study contract directed at reducing the hazards of tank car transportation. Principal objectives were to (1) define thermal inputs...

Report Number
DOT/FRA/ORD-71/74
Office
RDI-22

1 Nov 1970

Technical Reports

Friction and Creep in Rolling Contact

Author
P.R. Nayak, S. Hariharan, Raya Stern, R. Abilock, P.A. March, P.K. Gupta

Subject Track/Train Interactions

Keywords: Rolling Contact, Friction, Creep, Vibration, Surface Dynamic Loading

Abstract:

Experimental and analytical studies of friction and creep in rolling contact are reported. Factors examined for their influence on friction (adhesion) and creep are (a) surface...

Report Number
FRA-RT-71-64
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

1 May 1970

Technical Reports

Tracked Air Cushion Vehicle Systems

Author
TRW Systems Group

Subject Intelligent Railroad Systems, Passenger Rail

Keywords: Air Cushion Vehicles, Cost Estimates, Northeast Corridor

Abstract:

The tracked air cushion vehicle is one of several advanced ground transportation systems being studied by TRW Systems Group for the Department of Transportation as a possible...

Report Number
FRA-RT-71-59
Office
RDI-22