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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 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

30 Apr 1970

Technical Reports

Studies for Rail Vehicle Track Structures

Author
H.C. Meacham, R.H. Prause, D.R. Ahlbeck, J.A. Kasuba

Subject Track, Track/Train Interactions

Keywords: Track Structures, Concrete Beams and Slabs, Vehicle Dynamics, Track Interactions, Track Costs, Vehicle-Track Interactions

Abstract:

Conventional (tie-type) and non-conventional rail vehicle track structures were studied, with the restriction that standard gage and rail-head contour be used. Computer...

Report Number
FRA-RT-71-45
Office
RDI-21

1 Jun 1968

Other Reports

Review of Effects of Hypervelocity Jets and Projectiles on Rock

Author
George B. Clark, Charles J. Haas, John W. Brown, Clifford D. Muir

Subject Facilities & Test Equipment, Intelligent Railroad Systems, Tracks & Structures

Keywords: Excavating Equipment, Mining, Tunnels

Abstract: New methods are being continuously sought which will radically increase the rates of tunnel excavation. Attention has turned to the use of hypervelocity impact as a means of...

Office
RRD