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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 Nov 1979

Technical Reports

Vertical Track Modulus: Test Results and Comparison of Analysis Techniques

Author
J. Choros, A.M. Zarembski, I. Gitlin

Subject Track

Keywords: Vertical Track Modulus, Vertical Track Stiffness, Load-Deflection

Abstract: A vertical track response test was conducted at the AAR Track Structures Dynamic Test Facility. This test was intended to characterize the behavior of the track structure under...

Report Number
FRA/ORD-79/34
Office
RRD

1 Nov 1979

Technical Reports

Track Geometry Measurement by High-Rail Vehicles

Author
M. A. Sherfy

Subject Safety Performance Measures, Track

Keywords: High-Rail Inspection, Track Inspection, Survey Vehicle

Abstract: This report examines the capabilities of a high-rail track survey vehicle to: 1) Assist in improvement of the track safety inspection program; and 2) Assist in data collection for...

Report Number
FRA/ORD-78/55
Office
RRD

1 Oct 1979

Technical Reports

Truck Design Optimization Project Phase II- Friction Snubber Force Measurement System Field Test Report

Author
David Gibson

Subject Freight Operations

Keywords: ASF Ride Control Truck, Barber S-2 Truck, Frieght Car Trucks, Friction Snubbing Field Tests, FSFMS, TDOP Phase II

Abstract: This report documents the results of the Friction Snubber Force Measurement System (FSFMS) special road test program that was performed during TDOP Phase II. The FSFMS was...

Report Number
FRA/ORD-79/24
Office
RRD

1 Aug 1979

Technical Reports

Truck Design Optimization Project Phase II- Analytical Tool Assessment Report

Author
L. Johnson, A. Gilchrist, M. Healy, C. Bush, G. Sheldon

Subject Freight Operations, Evaluation

Keywords: Freight Car Truck Performance, Freight Car/Truck Dynamics, Linear and Nonlinear Modeling, TDOP Phase II, Rail Car Model Assessment

Abstract: One of the objectives of the Truck Design Optimization Project (TDOP) Phase II is to define the performance of newer Type II freight car truck designs versus the standard, three-...

Report Number
DOT-FR-742-4277
Office
RRD

1 Jul 1979

Technical Reports

Dynamic Loads on the Undercarriage of Freight Cars

Author
N. N. Krudryautseu

Subject Freight Operations

Keywords: Wheels, Strain Gages, Side-Frame, Vertical Forces, Lateral Forces, Derailment Coefficient

Abstract: A description is presented of the procedure and the equipment used to study the dynamic loads acting on the undercarriages of freight cars. The results are presented from testing...

Report Number
FRA/ORD-79/33
Office
RRD