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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...

Pilot Study for the Characterization and Reduction of Wheel/Rail Loads - Field Measurement and Data Reduction Plan

This report was prepared as part of the Improved Track Structures Research Program sponsored by the Office of Rail Safety Research of the Federal Railroad Administration. A survey of available wheel/rail load data was conducted (see the Interim Report, D0T-TSC-1051, April, 1976) and noticeable gaps...

Ninth Report on the Railroad Technology Program

A report on the Federal Railroad Administration's activities carried out under the High Speed Ground Transportation (HSGT) Act of 1965 as amended and extended, for the Secretary of Transportation to report annually to the President and the Congress on activities performed under the Act. This report...

In-Service Performance and Costs of Methods for Control of Urban Rail System Noise: Experimental Design

This report presents an experimental design for a project to evaluate four techniques for reducing wheel-rail noise on urban rail transit systems: (a) resilient wheels, (b) damped wheels, (c) wheel truing, and (d) rail grinding. The design presents the project questions to be answered: (1) What...

Freight Car Truck Design Optimization: Economic Analysis Report - Phase I

This report summarizes the truck economic research accomplished during Phase I of the Federal Railroad Administration's three-phase Truck Design Optimization Project (TDOP). In this phase: (1) A truck economic methodology was developed with the cooperation of representatives from the railroad...

Freight Car Truck Design Optimization: Truck Economic Data Collection and Analysis

A first interim report covering the development of the TDOP economic methodology was published by the Federal Railroad Administration in April 1975. It contains the truck investment economic evaluation procedures intended for the use of the railroad industry and their suppliers. The primary...

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