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1
Jun
1968
Other Reports
Review of Effects of Hypervelocity Jets and Projectiles on Rock
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
1
Jun
1968
Other Reports
Rail-Highway Grade-Crossing Accident For the Year Ended December 31, 1967
Subject
Highway-Rail Grade Crossings
Keywords: Accident Reports, Incident Reports, Casualties
Abstract: This is the thirty-third annual statistical report on rail-highway grade crossing accidents based upon reports of rail carriers filed pursuant to the Accident Reports Act of 1910...
Office
RRS
1
Sep
1967
Other Reports
Analysis of Optimum and Preview Control of Active Vehicle Suspensions
Subject
Facilities & Test Equipment,
Evaluation
Keywords: Intelligent Transportation Systems, Motor Vehicles, Suspensions, Vehicle Dynamics, Vibration
Abstract: The analysis leading to the optimum transfer function for an active suspension excited by a random guideway input is briefly reviewed and a design chart is presented. A parameter...
Report Number
DSR-76109-6
Office
RRD
1
Jun
1967
Other Reports
Rail-Highway Grade-Crossing Accidents For the Year Ended December 31, 1966
Subject
Highway-Rail Grade Crossings
Keywords: Accident Reports, Incident Reports, Casualties
Abstract: This is the thirty-second annual statistical report on rail-highway grade crossing accidents based upon reports of rail carriers filed pursuant to the Accident Reports Act of 1910...
Office
RRS
1
Jan
1967
Technical Reports
Longitudinal Forces in Railroad Track
Subject
Continuous Welded Rail
Keywords: Longitudinal Forces, Displacements, Continuous Welded Rail, Track Stability, Force-Displacement Diagrams, Track, Thermal Forces
Abstract: This work is devoted to the theory of design computations for track subjected to thermal and creep forces. The theory of longitudinal forces and displacements arising in...
Report Number
FRA-ORD 76-11
Office
RDI-21