Placing of Impermeable Underwater Membranes
An impermeable underwater membrane has been applied successfully in the construction of a lowered road section in the Netherlands. In this paper the construction technique is discussed...
Modeling Multiple Spur Schemes to Control Bank Erosion
A natural consequence of the meandering tendencies characteristic of all streams, is streambank erosion. The problem has taken on particular interest recently, focusing on erosion problems...
Professional Inspection of Construction
The Nation's deteriorating infrastructure is finally receiving the attention it deserves. As a result of this attention, a 5? per gallon gasoline tax has been passed. This...
Light Rail Gains New Momentum
Light rail, which evolved from the old trolley lines, is staging a comeback in U.S. cities. Light rail is a fixed guideway, operator controlled system, offering an alternative to heavy...
Building on Air
Copley Place, a $500 million hotel/retail/office/residential complex, was built on air rights over the Massachusetts Turnpike and an adjacent railroad in Boston. Two hotels occupy land...
Highway Capacity Manual Revisited
The forthcoming third edition of this manual of highway and traffic engineering, due in 1985, will significantly change how highway capacity is analyzed. Of the edition's...
Retaining Walls: Competition or Anarchy?
Until the last 10 years, when a retaining wall was needed a cast-in-place concrete gravity or cantilever wall was used. Then along came Reinforced Earth, and this proprietary system began...
Research Needs Related to the Nation's Infrastructure
The engineering community, which designs and constructs infrastructure facilities, must look for innovative ways to do a more efficient job. Although some research has focused on problems...
Arizona's Statewide Pavement Management System
A pavement management system developed for Arizon's 7400-mile network of highways has resulted in a savings of $14 million in its first year and a forecast savings of $101...
Throgs Neck Bridge: Why Did Its Deck Deteriorate?
Rapid deterioration of the concrete roadway decks of the Throgs Neck Bridge approach viaducts was found to be due to secondary tensile and fatigue stresses brought on by deflection of...
Georgia's Low-Cost Approach to Rehabilitating Concrete Pavements
A six step approach to rehabilitating concrete pavements is described. The six steps are: (1) Slab stabilization; (2) slab replacement, where necessary; (3) repair of spalls; (4) resawing...
Proposition 13: Impact on California Public Works
The effect of proposition 13, which was passed in California in June 1978, has hurt the ability of local governments in the state to raise funds to construct new infrastructure and maintain...
Highway Projects -- Can They Be Done in Half the Time?
Delays in highway construction projects result from time-consuming federal and state review procedures, public opposition and funding restrictions. The majority of delays in highway projects...
Pavement Management Systems: Selecting Maintenance Priorities
Realization of the need to maintain a safe, serviceable network of highways in the US has led to the development of a systematic, consistent procedure for managing resources necessary...
Union Construction is Fighting Back
To meet the threat of open-shop construction, union labor and contractors in several cities around the nation are working together in joint labor-management committees to improve the productivity...
Urban Highway Financing Mechanisms and Policies
This paper explores the urban transportation financing crisis, surveys existing State and local mechanisms for urban highway financing, explores emerging financing mechanisms, and addresses...
The Transportation Utility
Every property, including undeveloped lands, benefits from access provided by public roads. Funds for maintaining these roads have been squeezed by rising costs and competition from other...
Managing Limited Transportation Resources in Pennsylvania's Department of Transportation
This paper will not describe systems, but rather a management approach which has proved successful in the Pennsylvania Department of Transportation. The following examples illustrate the...
Managing for the Eighties
In a period where fiscal constraints will mandate a new approach to managing limited financial resources, serious consideration must be given to developing new strategic policies relating...
Design of Offshore Pipelines for Ice Environments
Design and installation of offshore pipelines in cold regions requires special care. Low ambient temperatures may cause increased friction losses in oil and gas lines due to wax crystallization...
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