Rio-Niteroi Bridge Features Record Girder Span
The six-lane highway bridge between Rio de Janeiro and Niteroi, Brazil, is 8.25 miles (13.3 km) long. There are 5.5 miles (8.9 km) constructed over the open waters of Guanabara Bay. The...
Filter Fabrics: Growing Use in Road and Highway Construction
Filter fabrics are seeing increasing use in road and highway construction; and promise to see greatly expanded use in the near future. A rapidly growing use is in constructing longitudinal...
Steel Stress-Ribbon Concept�� Will It Save Money�
The stress ribbon structure, a fairly new and unusual concept, can be built with central sags of less than 2% of the span length using currently available materials and technology. Possibilities...
Stress Ribbon Bridge in Freiburg, Germany
A three span continuous stress ribbon bridge of 75, 130, and 138 ft, was built in downtown Freiburg, W. Germany, for pedestrian traffic. Structural analysis is similar to that of suspension...
Polymer-Concrete Passes Toughest Test
Almost three years after a pour of polymer-concrete (PC), a full patch of a hole in New York City's Major Deegan Expressway shows no cracks and is adhering well to the original...
The Three Ages of Philadelphia
Philadelphia was founded in 1682 when a shipload of 70 arrived with William Penn from England. Origins of this all-religious colony are described. Though a half-century younger than New...
The Story of America's Transportation Revolution
During the 200 years since the Declaration of Independence, the United States witnessed a revolution in transportation unprecedented in recorded history. For hundreds of years, man had...
ASCE Tackles Standards
ASCE is sharply expanding its standards activity. Standards committees are at work in the fields of building loads, fire safety of structures, steel box-girder bridges, nuclear power plants...
First Bridge Across the Yukon River
Until recently, the Yukon River was a major obstacle in constructing a roadway to the oil-rich North Slope of Alaska. But on October 10, 1975, that obstacle was hurdled when the first...
Highway in Harmony with Its Environment
The Vail Pass portion of Interstate 70 in Colorado is developing into a masterpiece of modern highway; designed and built to blend into a scenic mountain environment. The consultant's...
Highway Fill�� A Broad-Crested Weir
Hurricane Agnes in June, l972, destroyed the bridge over the Middle Patuxent River in Maryland which had suffered damages from several other storms. Replacement costs had to be kept low...
Falsework Eliminated in Bridge Erection
The U.S. Highway 50 bridge just east of North Vernon, Ind., is one of the first applications in this country of the precast, prestressed concrete box girder design erected without falsework....
Economics of Preventive Highway Maintenance
The preventive maintenance concept for asphaltic highway surface care is intended to give all areas of the Kansas Department of Transportation the necessary procedures for such work. The...
Methods of Structural Analysis
Proceedings of the National Structural Engineering Conference, Methods of Structural Analysis, an ASCE Structural Division Specialty Conference held at the University of Wisconsin, Madison,...
American Wooden Bridges
Wooden bridges are inimitably American. Their practicality, individuality, and ruggedness are traditional characteristics associated with our country. This publication catalogues some...
Pipeline Bridge Uses Timber Arches
An arch bridge is utilized for the purpose of providing a river crossing for a water supply pipe. Tidal influence, an unfavorable riverbed situation complicated by estuarial and other...
Carpools: How Successful�
For a number of years, the Federal Highway Administration has been encouraging increased carpooling as one of the ways to increase the people- moving efficiency of urban highways. The...
Interstate Highway System
Eventually to cost nearly $90 billion, the Interstate Highway System will connect all U.S. cities of 50,000 and larger, eventually carry 25% of all highway traffic. The article traces...
Improved Design of Highway Culvert
New culvert design procedures, incorporating improved inlet concepts, make significant construction savings possible through hydrauically efficient use of the culvert barrel. Two representative...
Germany Constructs Steel Box Girder Landmark
The designer of a steel hollow box girder bridge in West Germany describes the design process and gives some construction details. Longest possible spans were sought because of environmental...
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