Will EPA Relax Its Mandatory Secondary Treatment Requirement�
In the Clean Water Act of 1977, Congress said that under some circumstances communities discharging to marine waters might not have to provide full secondary treatment. At the present...
Space: A Place to Work
An overview of the nation's space program as space shuttle capability nears reality. The cargo truck aspects of the shuttle will transform our efforts in space. In the near...
Building Skyscrapers in Orbit
NASA plans to build a host of large structures (communications antennas, remote-sensing radiometers, solar power satellites, etc.) in space. Three ways to build them are: (1)Fabricate...
Facelifting City Streets
Augusta, Georgia rebuilt a four-block, 10-acre section of the main street (Broad Street) to improve traffic flow, beautify the street, provide safe, efficient and convenient parking and...
Testing Concrete in Place
Although modern concrete construction has developed during the past 60 years, one aspect has remained essentially unchanged�the use of molded cylinders tested in compression to estimate...
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...
Jacked Pipe Provides Roof for Underground Construction in Busy Urban Area
Construction of a major underground station for the metro in Antwerp, Belgium was done in a busy downtown area employing a method that virtually eliminated ground subsidence. The method...
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...
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....
Civil Engineering in the Oceans IV
This conference on Civil Engineering in the Oceans is sponsored by the Technical Committee on Ocean Engineering (TCOE) of the Waterway, Port, Coastal and Ocean Division of ASCE in cooperation...
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...
Repair and Strengthening of Old Steel Truss Bridges
During the early 1900's, numerous pin jointed steel bridge trusses were constructed throughout the United States. In the intervening years, these trusses were replaced by...
Probabilistic Mechanics and Structural Reliability
The purpose of the conference is to present and review the current state of the art of Probabilistic methods and their applications in civil engineering, with emphasis on structural and...
International Seminar on Probabilistic and Extreme Load Design of Nuclear Plant Facilities
Proceedings of the International Seminar on Probabilistic and Extreme Load Design of Nuclear Plant Facilities, held in San Francisco, California, August 22-24, 1977. Sponsored by the ASCE...
Electronic Computation
Proceedings of the Seventh Conference on Electronic Computation, held at the Mudd Law Building, Washington University, St. Louis, Missouri, August 6-8, 1979. Sponsored by the Committee...
Guide to Investigation of Structural Failures
This guide contains a broad range of instructions and suggestions regarding structural failures. Topics include failure causes by project type, failure causes by structural type, failure...
Structural Design of Tall Concrete and Masonry Buildings
This is the first of the ASCE five-volume series on Tall Buildings. Though the tallest skysrapers are of steel, the majority are of concrete?? nearly 65 percent. The selection, analysis...
Field Control Replaces Design Conservation At World's Largest Underground Powerhouse
The excavation of 16,000,000 yd� of rock at LG-2, part of the La Grande hydropower project in Canada, has been completed. The world's largest underground powerhouse, with...
Epoxies � Miracle Materials Don't Always Give Miracle Results
In civil engineering applications, in the past 15 years epoxies have become widely used and have given excellent performance in floor surfacing, corrosion protection, repair of cracked...
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