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52550
  
  

  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
    1
Jun
1968
Other Reports
Rail-Highway Grade-Crossing Accident For the Year Ended December 31, 1967
Author
          Bureau of Railroad Safety

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
Author
          Erich K. Bender, Igor L. Paul

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
Author
          Federal Railroad Administration

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
Author
          A. Ya Kogan, M. Yanowitch

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

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