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A Study on Railroad Ballast Economics

This report presents the results of Phase V - Economic Evaluation of the Ballast and Foundation Materials Research Program. The present "State of the Art" in the ballast costing area is discussed. The individual ballast costs are quantified to the extent possible using the data base compiled...

A Bibliography on Rail Technology

This rail technology review provides assistance to a number of rail technology programs initiated by the Transportation Systems Center (TSC) for the Federal Railroad Administration (FRA). The results of a search and review in four specific areas in the field of rail technology are presented in...

Test Results Summary Report for DODX Railcar Stability Test

This document outlines the test results of the DODX Stability Test. The purpose of these tests was to insure compliance of the DODX railcars for different car loadings with the Pittsburgh Naval Reactors amended American Association of Railroads Specification D-65.

Technical Documentation: Locomotive Truck Hunting Model

Two very different modes of hunting behavior are frequently observed; body hunting and truck hunting. Body hunting or primary hunting is often characterized by violent motions of the carbody. Truck hunting, or secondary hunting, is inherent in the vehicle design. Theoretically, with a perfect...

Tank Car Head Puncture Mechanisms

In a number of railroad accidents the shell heads of hazardous material tank cars have been punctured. This report is concerned with the description and analysis of head puncture mechanisms. Three classification yard accidents and one main line accident were studied in detail, train-to-train...

Study of Friction and Creep Between Steel Wheels and Rails

A systematic experimental, parametric and similitude investigation of the friction and creep behavior of a steel wheel rolling on a steel rail is given. Laboratory investigation was performed on the l/5th scale experimental GM-IIT Wheel Rail Simulation Testing Facility reported on earlier....

Railroad Research Bulletin - Autumn 1976 Volume 3, Number 2

This publication contains 1,492 abstracts of journal articles and research reports and descriptions of computer programs and magnetic data tapes. It also has 563 summaries of ongoing research activities in the railroad field. The material, selected from current railroad literature and other...

Railroad Research Bulletin - Spring 1976 Volume 3, Number 1

This publication contains 1,110 abstracts of journal articles and research reports selected by RRIS from current railroad literature and 418 summaries of ongoing research activities in the railroad field. The material covers the entire range of railroading from technology to operations,...

Rail Transit System Cost Study

The Transportation Systems Center serves as Systems Manager for the Rail Supporting Technology Program of the Urban Mass Transportation Administration. One task under this program has been to assess the costs of constructing, operating and maintaining three kinds of urban rail systems: light...