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Truck Design Optimization Project (TDOP): Wear Data Collection Program

The Wear Data Collection Program was a field testing study associated with the Truck Design Optimization Project in which test trucks in unit coal train service were monitored for wear in an effort to develop comparative wear performance data. Seven truck types (one car set of each type) including...

Supplemental Information Concerning the Methodology Used by IIT Research Institute to Predict the Effects of Pool Fires on Hazardous Material Tank Cars

[From the Introduction] IIT Research Institute (IITRI) developed a computer program to calculate pressures, liquid levels, and tank wall temperatures in pressure tank cars subjected to fires. The inputs for the program are thermodynamic properties of the lading, the pressure setting of the tank car...

The Use of Air Bags for Mitigating Grade Crossing and Trespass Accidents: Literature Review and Research Plan.

This literature review will confirm prior work in the use of locomotive airbag technologies for vehicle or pedestrian collision mitigation, and to focus planned activities and tasks for this research. The state of the art in relevant technologies has been summarized to assess the feasibility of...

Summary of Accidents Investigated by the Federal Railroad Administration: Calendar Year 1981

The 1981 Summary of Accidents Investigated by the Federal Railroad Administration (FRA) includes 100 railroad accidents. This summary provides the following information: the railroad(s) involved; the location and the time of the accident; the type of railroad accident; the method of operation and...

State-of-the-Art Review: Prediction and Control of Groundborne Noise and Vibration from Rail Transit Trains

This report provides a comprehensive review of the state-of-the-art in the prediction and control of groundborne noise and vibration. Various types of impact criteria are reviewed for groundborne noise and vibration, building damage, and soil settlement. Vibration measurement and evaluation...

Railroad Employee Fatalities Investigated by the Federal Railroad Administration in 1983

[From the Introduction] This report represents the Federal Railroad Administration's findings in the investigation of railroad employee fatalities during 1983. Not included are fatalities that occurred during train operation accidents; these are reported under another type of investigation. The...

Physical Response of Flat Steel Plates to Drop Hammer Impacts

A series of impact tests using the FRA/BRL Drop Hammer Facility was performed. The tests consisted of the creation of controlled damage to flat steel plates which had properties exceeding the minimum ASTM standards required for steel used in the construction of tank cars {ASTM A-SISt Grade 7D steel...

Perturbed Track Test: Results of Data Analysis

The Perturbed Track Test (PTT) involving the E-8 and SDP-40F locomotives was conducted at the Transportation Test Center (TTC) during November and December, 1978. Two of the primary objectives of the PTT were: to gain further understanding of track/vehicle interaction; and to demonstrate and...

Optimum Power Conditioning and Motor Combination for Locomotive Traction

This is the interim report describing the results of the research on Phase I, the first year, of this contract. The object of the research is to study alternate power conditioning-motor combinations for single axle locomotive traction drives applicable to both freight and passenger use. Candidate...

Optimization of the Design of Electric Traction Motors for Railroad and Other Applications

This report summarizes the results of an effort aimed at the optimization of the design of electric traction motors for railroad and other applications. Earlier extensive studies of electric motors for ground transportation were conducted at the Polytechnic over several years. These led to the...

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