Paul Bunyan Among Offshore Steel Structures
The world's two largest drydocks, the larger 1,150 x 800 ft in plan were used to assemble on land the four steel jackets. They now stand in the North Sea in about 400-ft of...
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...
Inverted Filter Stabilizes Soil, Stops Erosion
The inverted filter concept was invented by Karl Terzaghi to prevent dams from failing by water piping through the foundation. Laboratory and field testing have refined the necessary specifications...
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...
Gabions, Perforated Pipe and Gravel Serve as Fish Screens
A type of structure to prevent juvenile salmon from diverting to irrigation ditches has been developed on the Merced River in central California. It was built after cost considerations...
Polyethylene Pipe Solutions to Sewer Outfalls
One of the primary concerns of the Chief of Naval Operations is to insure that environmental pollution standards are met in this country and abroad at those naval bases near oceans or...
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...
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,...
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...
Short Span Bridges
Short span bridges, seemingly simple and innocuous structures, in fact embody many interesting problems and developments: The need to replace hundreds of thousands of bridges (safety and...
A Fail-Safe Subaqueous Concrete Sewer
Describes the design and installation of a unique, tri-gasketed 87-in. (2210 mm) diameter reinforced concrete sewer force main. The total system is approximately 14,000 ft (4,300 m) long,...
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...
Protection of Piles: Steel, Concrete, Wood
Normal construction materials have a very limited life when placed in a corrosive soil or water environment; steel rusts, concrete spalls, and wood rots (if the insects don't...
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