First Line of Atlanta's New Transit System Opens
With lessons learned from San Francisco and Washington, D.C., Atlanta hopes to avoid some of the problems encountered by those cities in building and operating its new transit system....

Has Metrication Run Out of Gas�
The U.S. is the only major country not to have adopted the International System of Units (SI) as its official measurement system, but the Metric Conversion Act of 1975 established official...

Stub Girders Cut Steel Use
One innovation in steel building construction, now 10 years old, is the steel stub girder floor framing system. By using a girder that is a composite of steel girder, metal deck and lightweight...

Do Federal Grants Distort a City's Capital Investment Priorities�
The availability of federal grants in some areas and no grants in others sometimes leads to absurd distortions in a city's true capital investment needs. Under construction...

Top Highway Problems: Finance and Maintenance
The nation's highway departments say their number one problem is inadequate funds. Congress and the Federal Highway Administration are worried that, due to inadequate highway...

How Top Officials Would Save Aging American Cities
The November 1978 issue of CIVIL ENGINEERING�ASCE took an in-depth look at what was ailing America's older cities�� and what some possible remedies were. This current article...

World's First Iron Bridge
In 1779, using a new man-made material, skilled English workmen built a single-span bridge of cast iron over a steep river gorge about 140 miles northwest of London. The result was a 424-ton...

Reducing Sewer Infiltration/Inflow
Under the terms of the EPA Water Pollution Control Legislation, cities must eliminate excess infiltration/inflow to be eligible for 75% EPA sewerage construction grants. To determine the...

State-of-the-Art Report on Air-Supported Structures
A structure with a structural system which is dependent on pressurization, either positive or negative, is termed a pressure preloaded structure. Most pressure preloaded structures intended...

Irrigation and Drainage in the Nineteen-Eighties
Proceedings of the 1979 Irrigation and Drainage Division Specialty Conference held in Albuquerque, New Mexico, July 17-20, 1979. Sponsored by the Irrigation and Drainage Division of the...

Symposium on Reaeration Research
Proceedings of the Hydraulics Division Specialty Conference, held in Gatlinburg, Tennessee, October 28-30, 1975. Sponsored by the Hydraulics Division of the American Society of Civil Engineers....

Water Systems '79
Proceedings of the ASCE Water Resources Planning and Management Division Specialty Conference, held in the University of Houston Hilton Hotel Center, February 25-8, 1979. Sponsored by...

Research Directions in Computer Control of Urban Traffic Systems
Topics covered include examples of computer controlled traffic systems, recent research on vehicle detection and microprocessors for traffic control, various aspects of performance evaluation,...

Irrigation and Drainage
Proceedings of the Irrigation and Drainage Division Specialty Conference held in Albuquerque, New Mexico, July 17-20, 1979. Sponsored by the Irrigation and Drainage Division of the American...

An Integrated Management System for Construction Projects
Originally published in Journal of the Construction Division, Vol. 103, No. 1, March 1977, pp. 101-112...

Thresholds in Appropriate Technologies for Water Supply and Waste Disposal
Appropriate technologies come from a variety of sources. Most, though not all, technologies are appropriate to the specific time and place in which they are developed. Some can be transferred...

Intermediate Service Levels in Water Distribution
This paper is concerned with design standards for secondary water distribution networks. Based on field studies in the Middle East and Africa, mathematical equations were developed for...

Preventing the Underground Movement of Methane from Sanitary Landfills
Alternatives for controlling methane gas migration from sanitary landfills are evaluated. The conditions leading to explosions and fires from concentrations of methane are discussed. Advantages...

Big Thompson Flood Exposes Need for Better Flood Reaction System to Save Lives
The actions people took in response to warnings of disaster in the Big Thompson flood of 1976 affected their chances for survival. No one who climbed the side of the canyon was killed...

New River Gorge Bridge: World's Longest Steel Arch
For 45 years, the Bayonne Bridge had reigned as the world's longest steel arch bridge. No longer. The New River Gorge Bridge in West Virginia has a steel arch spanning 1700...

 

 

 

 

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