Technical Reports

DYNALIST II - a Computer Program for Stability and Dynamic Response Analysis for Rail Vehicle Systems, Volume III: Technical Report Addendum

Several new capabilities have been added to the DYNALIST II computer program. These include: (1) a component matrix generator that operates as a 3-D finite element modeling program where elements consist of rigid bodies, flexural bodies, wheelsets, suspension elements and point masses assembled on...

Design, Development, Fabrication, and Testing of a Synchronous Condenser for a High-Power Three-Phase Traction Drive

This report documents the synchronous machine, referred to as a synchronous condenser, which, in the tracked levitated research vehicle (TLRV), provides line commutation for the inverter and power factor correction for the linear induction motor. The machine also incorporates features permitting...

Technical Data Bases Report - Ballast and Foundation Materials Research Program

Literature and other information sources pertaining to properties of granular materials, ballast and sub-ballast materials, fine-grained soils, and structural behavior models were reviewed; presented In this report Is a summary of the current technology relative to the following: (1.) Procedures...

SOAC, State-of-the-Art Car Transit Property Engineering Tests, Final Test Report: Volume III - Data Report - MBTA, CTS, CTA, SEPTA, PATCO

This three-volume report presents the technical methodology, data samples, and results of tests conducted on the SOAC on six transit-authority properties, namely the New York City Transit Authority (NYCTA), Massachusetts Bay Area Transportation Authority (MBTA), Cleveland Transit System (CTS),...

Railroad Research Bulletin - Autumn 1975 Volume 2, Number 2

This publication contains 1,106 abstracts of journal articles and research reports selected by RRIS from current railroad literature, 93 descriptions of computer programs, and 404 summaries of ongoing research activities in the railroad field. This material covers the entire range of railroading...

Railroad Research Bulletin - Spring 1975 Volume 2, Number 1

This publication contains 1,176 abstracts of journal articles and research reports selected by RRIS from current railroad literature and 235 summaries of ongoing research activities in the railroad field. This material covers the entire range of railroading from technology to operations,...

Proceedings of Roadbed Stabilization Lime Injection Conference

Proceedings of Roadbed Stabilization Lime Injection Conference includes twelve technical papers that were presented at the conference on August 21 and 22, 1975 in Little Rock, Arkansas. The papers document the state of knowledge and related subjects on lime pressure injection stabilization of...

Northeast Corridor High Speed Rail Passenger Service Improvement Study: Task 3 - Track & Structures Upgrading Standards Development

Track and structure characteristics and problem areas to be encountered in upgrading the Corridor are discussed. Standards considerations and applicability are outlined along with the maintenance history of the Corridor. Track system options for application to 150 MPH High Speed Rail (HSR) service...

Northeast Corridor High Speed Rail Passenger Service Improvement Project: Task 7A - Terminals

A significant requirement of the Regional Rail Reorganization Act of 1973 is the establishment of improved high speed rail passenger service consonant with the recommendations of the Secretary of Transportation in his report of September 1971 entitled “Recommendations for Northeast Corridor...

LTV/SIG Metroliner Truck Test - Volume I

This report presents the test plan and results for Phase II tests of the LTV/SIG Metroliner Truck. This report is submitted to the Department of Transportation/Federal Railroad Administration to satisfy the requirements of paragraph 19.0 of reference (a). Section 4.0 is the test plan which was...

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Technical Reports