Steel Plate Shear Walls Resist Lateral Load, Cut Costs
Two new buildings have a seldom-used stiffening system�� steel plate shear walls. Reasons for using them, rather than reinforced concrete shear walls or steel or concrete rigid frames,...
Ontario Writes New Bridge Code
In 1976, Ontario's Ministry of Transportation and Communications decided to write its own bridge design code, breaking away from the AASHTO code, because: (1)It wanted a metric...
Design and Construction of Long-Span Metal Culverts
Long-span metal culverts are built of corrugated-metal plates bolted together. They have spans exceeding 15 ft. Principal applications include use as drainage structures, grade separations,...
Underground Buildings Save Energy
While properly designed underground buildings use less energy for heating and cooling, that's not always the reason they're underground. For example, San Francisco's...
Intercity Bridge: First Major U.S. Cable-Stayed Bridge
The Intercity Bridge spans the Columbia River, connecting the cities of Pasco and Kennewick, Wash. It is the longest cable-stayed, concrete bridge in the U.S. (2,403-ft) and it has been...
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...
Symposium on Earth Reinforcement
Proceedings of the Symposium on Earth Reinforcement, held at the ASCE Annual Convention, Pittsburgh, Pennsylvania, April 27, 1978. Sponsored by the Committee on Placement and Improvement...
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...
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