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...
New Orleans Grows on Deep Piles
In the New Orleans area, tall buildings must be supported by piles extending at least into the preconsolidated clays at -150-ft (-46-m) or so. Settlement is much too severe and uneven...
Porous Friction Course Solves Airport Hydroplaning Problem
Several hydroplaning incidents had occurred at the Greensboro-High Point-Winston Salem Regional Airport, N.C. Hydroplaning occurs when hydrostatic pressure builds up in the field of surface...
Hydraulic Fill Dams/Earthquake Stability
The 1971 San Fernando earthquake near Los Angeles, Calif., generated concern for the stability of hydraulic fill dams. Two dams located near the fault were damaged severely. The shaking...
Innovative Design at Florida Bulkhead Reduces Material and Construction Costs
Remedial work to an existing bulkhead at a deep-water berth for Port Everglades, Florida, has been done with substantial savings through the application of innovative design concepts....
Consultants Reviewing Plans of Other Consultants in Fairfax County, Va.; Landslides Greatly Reduced
Virginia's Fairfax County has been one of the nation's faster growing, thanks to its proximity to the nation's capital. But terrain is hilly, and...
Controlling Runoff from Construction Sites
In recent years, the U.S. Environmental Protection Agency and a number of states have been placing increased emphasis on controlling erosion and sediment-laden runoff from construction...
208: A Process for Water Quality Management
The Section 208 program is the key to the continuous management of the nation's water pollution clean-up efforts. In the past, regional approaches to water pollution abatement...
Anchorage Port Survives Nature
Engineering at the Port of Anchorage was complicated by severe ice conditions, extreme tides, a current up to 5 knots which carries a severe ice floe, and poor foundation conditions at...
Structural Analysis and Design of Nuclear Plant Facilities
Draft Trial Use and Comment (Supplement)
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,...
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...
Washington, D.C. Mall Tunnel
The 4,002 ft (1220 m) cut and cover tunnel crossing the Mall just west of the U.S. Capitol created some unusual construction and design problems. Three areas warrant special mention. These...
Frost Heaves�� A Major Dilemma for Ice Arenas
The ice sheets of three arenas in Minneapolis-St. Paul have had frost heaves ranging from seven to eleven inches (0.2 to 0.3 m). Proper design should prevent frost from penetrating the...
North Sea Oil-Water Mix
In the North Sea between Britian and Norway, giant structures are rising in one of the world's largest efforts to extract oil and gas offshore. An overview of the problems...
Proposed Standards: Land Disposal of Effluents
There are many alternatives to costly advanced waste treatment (AWT) systems. The most attractive of these is land disposal of the sewage effluents from secondary treatment plants. Land...
The Sinking of the Amsterdam Metro
Subway construction was not practical in Amsterdam, The Netherlands, until this new placement technique. Most of the buildings in Amsterdam rest on old, untreated wooden piles that would...
In Situ Soils Measuring Devices
Soils engineering is as much art as science�� mostly because techniques for measuring soil parameters leave much in the realm of estimation. Developing instrumentation practices and equipment...
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