Computer Scheduling and Construction Specs
As recently as the early 1980s, employing computers in critical path method (CPM) scheduling was a formidable decision demanding considerable commitment of time and resources by management....
Stream Stability and Scour Training in Support of the NBIS
The Federal Highway Administration is now requiring a comprehensive evaluation of bridge scour as part of the National Bridge Inspection Standards (NBIS). To support the implementation...
Pier Scour Equations Used in China
This report describes the equations used in the People's Republic of China for estimating scour depth at bridge structures. The equations were worked out from model and field data at the...
Scour Retrofit Case Studies for Arizona
Scour retrofit involves a coordinated analysis and joint determination of action by several engineering disciplines: typically, geotechnical, hydraulic and structural engineering. The...
Ballast Water Treatment Effluent Dispersion Studies
Treated tanker ballast water is discharged form Alyeska Pipeline Service Company's ballast water treatment facility through a multiport diffuser into Port Valdez, Alaska. The discharge...
Shale Scour at BNRR Yellowstone River Bridge, MT
Both the Burlington Northern Railroad and Montana Department of Transportation bridges across the Yellowstone river just south of Laurel, Montana, are founded on spread footings placed...
The Design and Development of A Road/Rail Power Unit
The road/rail power unit was designed and developed by Saskatchewan Highways and Transportation to provide low cost motive power on low-density disconnected rail lines. The power unit...
Bridge Management System Implemented in Thailand
The latest ten years' economic growth in Thailand and the associated increase in roadway and railway traffic has exposed the existing bridge structures as bottlenecks of these transportation...
A GIS-Based Rail Infrastructure Management System
Computer-based models and analytical techniques are powerful components of infrastructure management systems. However, the availability of data sets significantly affects the usefulness...
High-Speed Railways and Development in Japan
There is a need to develop an environmentally friendly railway in response to society's needs, implement high-speed operations on existing tracks, and develop a high-quality, high-speed...
The Transrapid EMS Maglev System
The Transrapid 300 mph (500 km/hr) magnetically levitated transportation system is ready for revenue application. The maglev system uses contactless electromagnetic suspension and three...
Development of a Superconducting Maglev System
The superconducting maglev system features an electrodynamic levitation system (EDS) which enables a super high speed running without any special control device for levitating a coach...
SNCF High-Speed Trains: 15 Years of Design, 13 TGV Generations
Less than ten years after the first high-speed revenue service, SNCF has just placed an order for a third generation of TGV rolling stock: the double-deck TGV. Between two generations,...
Plastic Potential
Some 220,000 tons of epoxy-coated steel has been used in the construction of bridge decks since 1987, but some have raised questions about its long-term durability. New materials for prestressing...
Intermodal Transit Station Computer Simulation Model
The specifications and features of an Intermodal Transit Station simulation model are discussed, including train schedule data base preparation, ticketing and baggage claim processing,...
Las Vegas?A Significant APM Market
Las Vegas, the gambling and entertainment center of the nation, contains the world's largest concentration of hotels and casinos, and attracts over 18 million visitors a year. APMs have...
Expansion of the Newark International Airport Monorail
The Port Authority of New York and New Jersey (PA) has planned, designed, and begun constructing an APM system at the Newark International Airport (EWR). This system, called the Monorail,...
Honolulu International Airport (HIA) APM
The Hawaii Department of Transportation, in planning to meet passenger demands over the next 20 years, is providing for expanded terminal buildings. The expanse of the airport requires...
Simulation Modelling of PRT Systems
Background is provided on a computer model that simulates operation of a Personal Rapid Transit (PRT) system. A description is given of how the PRT model is constructed of track segments...
In Search of Better Load Ratings
Typically, engineers must make a number of subjective assumptions regarding loading and response behavior when they develop a load rating for civil structures. As a result, many unknowns...
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