Repairing Pittsburgh's Portal
Engineering the rehabilitation of Pittsburgh's Fort Pitt Bridge and Fort Pitt Tunnel involved an extensive inspection of their condition and a detailed evaluation of alternative...
A Cost-Effective approach to
A bioventing and groundwater treatment system designed to enhance the natural biodegradation of diesel fuel residuals in soil and prevent further groundwater degradation was installed...
Settlement Analysis of Landfill Liners over Deep Mined Areas
Tensile strains due to differential settlement from past mining activities were evaluated for a landfill liner. The landfill cell encompasses 20 acres and is located on a subsurface profile...
Scada System Requirements for Optimum Pumping
In order to minimize the cost of electric energy for pumping water through its distribution system, a computer program was developed to schedule the operation at eight pumping stations...
Pittsburgh Goes International
The size of the new $785 million Pittsburgh International Airport�900 developed acres�is twice the size of the city's Golden Triangle business district but occupies only a...
Long Life Fatigue Behavior of Welded Steel-Bridge Girder Details
The Federal Highway Administration is nearing completion of a five year, 1.5 million dollar effort titled 'Variable Amplitude Load Fatigue' to investigate the behavior of welded bridge...
The Pittsburgh Maglev Project
MAGLEV, Inc. is a public/private/labor partnership created in response to the ever growing need to provide new transportation solutions to the escalating problem of highway and airport...
Stormwater Management Program for the Pittsburgh International Airport
This paper describes the Pittsburgh International Airport Stormwater Management Program which was developed to provide a comprehensive approach to stormwater management on the PIT property,...
Advances in People Mover Central Control
AEG Westinghouse Transportation Systems, Inc. has designed many graphic display based central control computers for people mover systems. These include airport systems for: Changi in Singapore,...
Soft Touch People Mover Central Control
The people mover central control systems perform many automatic functions, are built with off-the-shelf redundant hardware, include advanced color graphics and touch screen operator interfaces,...
The Pittsburgh MAGLEV Project
A passenger transportation crisis exists in the United States which experts predict will only worsen, wasting billions of U.S. dollars. Magnetic Levitation (MAGLEV) is a promising new...
Model Identification of an Arch Bridge for Dynamic Analysis
The dynamic responses of a steel deck tension-tied arch bridge subjected to earthquake excitations were investigated. The 189 m (620 ft) Birmingham Bridge located in Pittsburgh, PA was...
Development, Calibration and Application of Runoff Forecasting Models for the Allegheny River Basin
The computer program HEC1F, developed by the Corps of Engineers' Hydrologic Engineering Center, performs runoff forecasting. The focus of this paper is on application of HEC1F...
The Drought of 1988 in the U.S. Army Engineer District, Pittsburgh
The summer of 1988 was the hottest of the century in the Pittsburgh District. Pittsburgh experienced 38 days of 90 F degrees or more, including 3 days above the 100 F degree mark. This...
Harnessing the Allegheny: Four Low-Head Projects
The navigable portion of the river, extending northeast of Pittsburgh approximately sixty miles, contains eight lock and dam systems under the jurisdiction of the U.S. Army Corps of Engineers...
New Martinsville Hydroelectric Project
The 34MW New Martinsville Hydroelectric Project is presently under construction in West Virginia. Located at Hannibal Locks and Dam near river mile 126 downstream from Pittsburgh, PA,...
Low Head Hydraulic Model Justifies Cost
In many cases, developers of low head hydroelectric plants fail to use physical hydraulic modelling as a tool in the design process. Economic constraints are often cited as the primary...
Experiences of the U.S. Army Engineer District, Pittsburgh in Collecting Real-Time Water Control Data
As a result of an ever increasing need to optimize water use, 'Reservoir Regulation' has evolved into what is now known as 'Water Control Management'. In addition to the flood control...
Database Management Systems for Urban Facilities
This paper discusses design and implementation issues associated with the development of database management systems (DBMS) for urban facilties. Many of the experiences described here...
Real-Time Precipitation-Snowmelt Model for the Monongahela River Basin
The Pittsburgh District, U. S. Army Corps of Engineers, is responsible for operating two multipurpose reservoirs in the 7400 square mile Monongahela Basin, which is located in Pennsylvania,...
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