Bridge Within a Bridge
A multinational consortium retrofitted the Tagus River suspension bridge in Lisbon, Portugal. The retrofit included widening the roadway deck from five to six lanes, installing a railroad...
Superfund Success, Superfast
After 15 years of indecision, unprecedented cooperation among regulatory agencies, community action groups, and Potentially Responsible Parties (PRPs) resulted in the completion of remedial...
A Race to Innovate
The annual Concrete Canoe Competition, which is co-sponsored by the ASCE and Cleveland-based Master Builders, fosters several engineering breakthroughs that are ignored or forgotten by...
Better Salt Storage
Facing tighter maintenance budgets and stringent environmental regulations, many highway departments are designing and building innovative structures to store road salt. One such structure...
Advances in Structural Optimization
A compilation of twenty papers,
Full Use of Arching in Deck Slabs (Available only in Structural Engineering Special Issue)
The use of arching concrete deck slabs allows engineers to safely reduce the amount of reinforcement at a significant overall cost savings. Engineers with the Ministry of Transportation...
Repair and Rehabilitation of Reinforced Concrete Structures
The State of the Art
Proceedings of an international seminar, workshop, and exhibition, held in Maracaibo, Venezuela, April 28-May 1, 1997. Sponsored by National Science Foundation; Science and Technology...
Evaluation of the Tensar ARESTM Retaining Wall System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report evaluates the ARES Retaining Wall System,...
Journal of Composites for Construction
The Journal of Composites for Construction publishes original research papers, review papers, and case studies dealing with the use of fiber-reinforced composite materials in construction. Of special interest...
Comparison of Blast and Earthquake Effects on Reinforced Concrete Frame Structures
This chapter compares the damage done by an explosive blast and an earthquake....
Catching Up on Composites
Until recently, Japan and Germany were way ahead of the U.S. in composite material technology for construction. Lighter, stronger and possibly more durable than conventional materials...
Boston's Third Harbor Tunnel (Available only in
Boston's immersed marine tube, the Third Harbor Tunnel, connecting South Boston and Logan Airport, is a $226 million component of the multi-billion dollar Central Artery/Third...
Monitoring Prestressed Structures
Developments in remote-monitoring technology provide new options for cost-effective management of prestressed and post-tensioned reinforcement systems. A case study shows how engineers...
Tappan Zee Set for Inverset (Available only in
Replacing the deck on New York's Tappan Zee Bridge is a ticklish problem, considering that all of the work has to be done at night. A combination of isotropically reinforced...
Reinforced Glued Laminated Timber
In record time, reinforced glued laminated timber (glulam) has moved from an experimental product to wide-spread commercial acceptance. Several case studies illustrate applications and...
Earth Reinforcement and Soil Structures
Few subjects in recent years have raised the general interest and imagination of the Civil Engineering profession as the concept of reinforcing soil. The basic simplicity of the principles...
Columbus Clear Wells
At an average of 8 million gal. each, six new clear wells at the Hap Cremean Water Plant in Columbus, Ohio represent the largest post-tensioned, reinforced concrete noncircular tanks ever...
In the Wet
The concept of using large diameter vertical cylinder piles of steel and concrete is not new. Vertical cylinders constructed in pneumatic caissons go back at least 70 years. Steel cylinders...
Not Your Father's Concrete
A simple mixture of water, aggregate and cement, conventional concrete is environmentally-friendly by nature. But with landfills bloating and hazardous wastes becoming increasingly difficult...
San Francisco CSO
Today, even a light rain can overload San Francisco's combined sewer overflow (CSO) system, sending untreated sewage and stormwater into the bay and ocean. This is especially...
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