Oregon Bridge Features Innovative Bell Piers, Floating Falsework
The I-205 bridge, scheduled for completion in 1983, will be a final link in a 40-mile highway east of Portland, Oregon. the substructure and superstructure design featured unusual technology....
Rehab or Replace? Foundation Testing Provides the Answer
A $15 million, multidisciplinary testing program was undertaken to determine the least expensive methods of rehabilitating Locks and Dam No. 26 on the Mississippi River. The Problems were...
Drilled Piers and Caissons
Drilled piers, also called drilled caissons, drilled shafts, bored piles, and cast-in-situ piles, have recently undergone a period of growth in their use as foundation bearing elements,...
Dynamic Response of Pile Foundations
Analytical Aspects
Recent developments in the analytical solutions and relevant measurements regarding pile foundations are examined. Pile foundations for both onshore and offshore structures are covered,...
Pile Field Support Prefabricated Plants Floated into Place
A unique pile support system, combined with earth dikes and superflooding inside an earth drydock to found floating, prefabricated plant structures on the piles, is estimated to have saved...
America's Covered Bridges
Soon after the Revolutionary War, bridge construction became more important in the United States. Early builders developed by trail and error an economical, permanent, long-span covered...
Post-Tensioned Foundations as Economical Alternative
Although post-tensioned (p-t) foundations have been utilized in the U.S. since the early 1960s, the last five years have witnessed a substantial increase in their implementation. Used...
Five-Story Timber Framed Building
Multi-story glu-lam frames used as a structural system in the Terman Engineering Center, Stanford University. Covers the problem and solution of combining timber framing with reinforced...
Saving the U.S's Rapidly Dwindling Farmland and Other Priceless Natural Resources
Key to land management in the U.S., according to experts at the Council on Environmental Quality, is management of federally owned lands. U.S. needs to protect prime farmland, wetlands,...
Timber Trestle Carries Air Force Bombers
A 12-story high timber trestle, built at Kirtland Air Force Base near Albuquerque, N.M., is the world's largest all-wood structure in terms of board-feet of timber used. Its...
101 Uses for Earth Reinforcement
A mini-symposium on earth reinforcement held at the April 1978 ASCE national convention attracted participants from around the world; symposium papers form the basis of this paper. Methods...
World's Tallest Offshore Platform Stands in 1025 Ft of Water
During the summer and fall of 1977 and 1978, Shell Oil installed the world's deepest drilling and production platform in water. Located in 1025-ft of water at the Cognac tract...
Highway Widening Proceeds Behind Concrete Median Barrier
Precast concrete median barrier curb is being used temporarily to protect both workmen and traffic through the 3.1-mile long construction zone of a widening project along the Garden State...
Foundation Soil Preload Saves $164,000
Soils in the lower Mississippi valley are highly compressible and present a challenge to structural foundation designers. Rather than support power plant structures on piles, one design...
Aerated-Pile Composting: A Promising New Alternative for Sewage Sludge Disposal
In the past several years, traditional methods of sludge disposal such as incineration and ocean dumping have come under fire from environmental groups and the EPA. This has sparked a...
Drexel Students Build Space Frame as Senior Project
Drexel University's geodesic tri-span is an open-air monumental structure conceived, designed, fabricated and constructed by a group of senior civil engineering students to...
502-ft Diameter Laminated-Timber Dome Provides Fast, Low-Cost Cover for Arizona Stadium
Varex Dome, a 502-ft diameter engineering marveel of glue laminated timber, was built in record six months erection time. This dome shell structure forms both walls and roof for the new...
California Soon to Have Platform in 850 Ft of Water
Exxon's oil drilling and production platform, to be placed off Santa Barbara, Calif. next July, will stand in water twice as deep�� 850 ft versus about 420 ft�� as any other...
Condeep�In 400 Ft of Water, Concrete Caisson Requires No Piles
The Condeep structure consists of (1) 19 cylindrical tanks each 66-ft diam and 164-ft high that together will store up to 900,000 bbl of oil; (2) the extension upward 300-ft more of three...
Supertanker Fixed Berth in Open Ocean
The oil terminal offshore Tomakomai, Japan, is the world's first fixed dock in open ocean. It must withstand 150 mph typhoon winds. To minimize time, cost and danger of open...
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