Pavement Management Systems for Urban Areas
Pavements represent the largest public investment for most urban-area governmental jurisdictions. The magnitude of this investment requires that the expenditure of funds to maintain pavements...
Use of Private Contracting in Highway Maintenance
Managing the business of highway and bridge maintenance in this country is largely a function of the public sector. As in the private sector, economic realities during the past decade...
Gatlinburg's Transportation Management Plan
A series of transportation recommendations developed for Gatlinburg, Tennessee and the impacts of these transportation system changes are documented. Problems and recommended solutions...
The Electronic Road Pricing System in Hong Kong
This paper addresses the traffic congestion problem and issues relating to the experiment of the world's first pilot scheme on Electronic Road Pricing System in Hong Kong....
Wharf Stands on Stone Columns
A wharf was constructed in New Orleans on very weak soils. To prevent lateral and vertical movement of the soil, normally the entire wharf and adjacent structure would be founded on steel...
CPM Harnesses Mammoth Powerplant Job
One of the largest air quality control retrofit projects in the U. S. is at the Sammis Plant of Ohio Edison Co., along the Ohio River 40 miles west of Pittsburgh. The coal-fired plant's...
The Federal Perspective
Between 1965 and 1982, the Federal Government spent about 125 billion for highway construction. Yet, elements constructed at the early phase of the Interstate System are now at the end...
Maintenance Levels of Service Guidelines
Maintenance levels of service define the threshold physical conditions that indicate a need for maintenance and repair activities and prescribe restored conditions after maintenance is...
Maintaining Our Goals
Setting goals is easier than achieving them and, once achieved, they must not be viewed as final accomplishments to put behind us - they must be sustained. Although goals are essentially...
Life Cycle Analysis
Of all the infrastructure elements, pavement performance has probably received more research than any. Similarly, there has been more application of pavement research. The concepts that...
The United States Used to be a Great Country...
Up until 20 years ago, the American highway departments did a good job of maintaining bridges and they kept streets well paved. The public works departments maintained the water and sewer...
Rehabilitation of the CNW and ICG Railroads
The railroad industry is an indispensable part of the American economy. However, the railroad infrastructure was allowed to deteriorate to the extent of having 5. 4 billion in deferred...
Earth Retention & Noise Absorption Using Evergreen Planted Walls
There is a new concept in wall design used for retaining walls, free standing noise absorbing walls and rock revetments. The Evergreen System is comprised of large prefabricated concrete...
Innovative Solution for Urban Freeway Reconstruction
Technology which was developed for economic and rapid construction of precast concrete segmental box girder bridges is being utilized to permit the reconstruction of an urban freeway in...
Golden Gate Bridge: Deck Replacement
A major inspection of the Golden Gate Bridge in 1968-69 found the reinforced concrete roadway of the Bridge to have widespread defects and local failures. Further investigations found...
Tunnel and Bridge Construction with Minimum Disturbance to Overhead Services
The rapid growth of pipe jacking over the last 20 years and the improvement and development of methods in terms of lengths of drive, size and ability to work in varying ground conditions...
Financing the Golden Gate Bridge?Past and Present
This paper discusses the financial side of the project, which was a very innovative solution that provided federal revenue not only for the Bridge Redecking Project, but more importantly...
Learning From Failure
Innovative engineering design involves assumptions about the future use and behavior of a structure. By understanding and learning from the infrequent but spectacular large failures, engineers...
Hydraulic Design of the Strontia Springs Diversion Dam
The hydraulic features which were of primary significance for the project were the diversion tunnel and spillway. The low-level outlet valves and water-supply intake were relatively straight-forward...
Molikpaq Deployment at Tarsuit P-45
An overview is provided of the engineering considerations and approach to deployment of the Molikpaq. Topics addressed include site investigation, foundation preparation, berm construction,...
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