Sulfer Extended Asphalt
Since the 1973 oil embargo, the Federal Highway Administration has researched and promoted the experimental use of a new pavement binder, sulfur-extended asphalt (SEA). In SEA paving mixes,...
Construction Productivity Improvement: How to Get Started
The greatest cost reductions and improvements in speed and efficiency on construction sites have come when management analyzes work methods, administrative and environmental constraints,...
A Guide to Urban Arterial Systems
The urban arterial system, a link between freeways and local streets, provides for the efficient collection, distribution, and transition of traffic among freeways, collector streets,...
Structural Optimization
Recent Developments and Applications
Current documentation of the state-of-the-art of structural optimization is provided. Recent developments in the field, between 1972 and 1980, are emphasized. Research in structural optimization...
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...
The Concrete Canoe: A Technological Challenge
In 1970 the first concrete canoe was built, and since that time many colleges and universities have built and raced concrete canoes. The Union College (Schenectady, NY) Stone Boat Club...
Public Engineers�Why the Least Happy Category of Civil Engineers�
Civil engineers in government, city, county, state and federal, and especially the first three, seem to be the group of ASCE members who are least happy. Reasons why include lower pay...
Baltimore Borrows Bridge Beams
A look at the construction of the Baltimore Convention Center, its four domelike exhibition halls, the main lobby and its service areas. The Center's four columnless exhibit...
Venezuelan Dock Features Unconventional Design, Quick Set-Up
This structure, designed by Caracas design/construct firm Precomprimido, kills two birds with one stone: a series of huge, hollow concrete cylinders both support the service deck of the...
Critical Path Scheduling: An Overview
CPM and PERT project-management scheduling are seldom used or understood in spite of over 20 years availability. In fact, many are strongly opposed to it, having had reams of computer...
Inspecting Dam Construction
Through and competent inspection during construction is crucial to assure dam safty. Inspection for dam construction is more important than for other types of structures because plans...
How Texas got a New Highway Plan and More Construction Dollars
Texas has a new highway system plan, a new systems approach to highway design and about $300 million a year increase in highway funds over the next 20 years. Here are two articles that...
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...
Seepage Cutoff Wall Installed Through Dam is Construction First
A new construction technique has been developed which provides a permanent solution to the foundation problems at Wolf Creek Dam. Muddy flows and sinkholes discovered in 1968 led to a...
Highway History: Modern Turnpike Era Recounted
Early history of the development of revenue bond financing of transportation projects is outlined including advances in engineering technique and policies. The origins of the original...
Mapping America is Never-Ending Task for USGS
For its first topographic surveys, begun in 1879, USGS measured distances by counting revolutions of a wheel, ran traverses by chain and compass, and used a barometer to determine elevations....
Top-to-Bottom Construction in High-Rise Buildings
This top-to-bottom construction method, called jackblock is a cousin of lift-slab. The main components are the jack and concrete block, hence the name. The top story of a building is constructed...
The Personalized System of Instruction: Death Knell for the Lecture�
In most universities, teaching methods have not changed substantially since the invention of the printing press 500 years ago. Yet in recent years, some engineering schools have shown...
Research Needs in Structural Engineering
Here are some highlights of the state of Research Needs in Structural Engineering, prepared at National Science Foundation�ASCE workshop in June 1979. Overall, the statement says, U.S....
Threaded Rebars Spin Down Time
A rebar splicing technique was a major factor in saving two year's construction time on California's $33 million, 9000 ft (2743 m) Antioch Bridge. Rebar splicing...
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