Inspection of Under Bridge Length Culverts
Culverts over 20 feet in span length are classified as bridges and are inspected under the National Bridge Inventory and Inspection Program. Those facilities under bridge length, less...
Pipe Geometry and Pipeline Bridge Wind Oscillation
Static and modal analyses of two pipeline suspension bridges owned by American Natural Resources - the Patterson Loop Aerial Crossing (PLAC) with a span of 850 feet (259 meters) and the...
Cables in Trouble
Having inspected more than half of the world's cable stayed bridges, the authors conclude that many are in danger of sudden collapse unless corrosion problems can be stopped....
Space Age Pueblo
If and when 8 million passengers decide to fly in and out of Albuquerque, N.M. in one year, the renovated and expanded airport will be ready for them. In a comprehensive $120 million project,...
CADD Adds Safety to the Ryan
Computer aided design and drafting (CADD) was used to plan safety improvements for the Dan Ryan Viaduct, a two mile expressway in Chicago. Some 17 accidents per day took place along the...
Roads for Sale
Due to the decline in available federal revenue for transportation facilities, privatization is becoming a common alternative to project financing. A case study of a public/private partnership...
Design/Construct Contract Speeds Bridge Job
In the name of time and money savings, Pennsylvania DOT is building a bridge using a modified turnkey contract. In contrast, the standard approach is first to design the bridge, then ask...
Japan Spans the Inland
Japan recently opened the Kojima-Sakaide Route, a 13.1 km series of bridges across the Inland Sea. The route connects two of Japan's four main islands�Honshu and Shikoku....
Lessons from Schoharie Creek
The failure of the Schoharie Creek Bridge in New York State occurred in April 1987. Several investigative panels were commissioned. The failure has been generally attributed to scour,...
Cable Stayed Bridges
Two of these five papers on cable-stayed bridges deal with wind analysis. One develops the theory for motion due to flutter and reaches the conclusion that the vibrations are, in general,...
Accommodation of Trucks on the Highway
Safety in Design
This book contains the papers presented at the symposium on accommodation of trucks on highways held in Nashville, Tenn., May 11, 1988. The papers address highway factors that contribute...
Analytical Studies of the Schoharie Bridge Failure
Analytical studies consisted of geomorphic, hydrologic, hydraulic, and erosion analyses including mathematical modeling with HEC-1 and WSPRO, the new FHWA water-surface profile model....
Schoharie Creek Bridge Model Study
On April 5, 1987, a major storm occurred in the Schoharie Creek watershed and the resulting flood caused the bridge to fail. The hydraulic model of the bridge was performed to simulate...
A Simulation Technique for Modeling Flow on Floodplains and in Coastal Wetlands
The system design is premised on a proven, areal two-dimensional, finite-difference flow/transport model which is supported by an operational set of computer programs for input data management...
Composite Construction in Steel and Concrete
Composite steel-concrete systems are used extensively for buildings, bridges, and other civil engineering structures. Research and development related to composite construction are in...
New Roads for the Micro
Using microcomputers loaded with database software and Fortran programming, engineers are gaining control of pavement maintenance. A number of factors, from urban sprawl to constricting...
A New Lake and a Beautiful Bridge
The two 1988 OCEA awards of merit are the Great Salt Lake west desert pumping project and the Sunshine Skyway near Tampa, FL. Both projects were constructed fairly quickly. The pumping...
Ten Top Projects for 1988
The other Outstanding Civil Engineering Achievement nominees make up an impressive collection of projects. They are notable for innovative management techniques, state-of-the-art engineering...
Historical Changes in Highway Safety: 1966 - 1987
During the past several decades, substantial changes have occurred in the national economy and culture. Corresponding changes have taken place in the highway transportation system. While...
Current Status of Research and Implementation
A review of the effectiveness of roadway safety measures to reduce traffic accidents is given. This paper attempts to discuss in detail the current status of safety-related knowledge and...
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