Saving Scotland's Busiest Bridge
The world's most extensive bridge monitoring system has been installed on Glasgow's Kingston Bridge so that the engineers can prevent collapse during a long-term...
Communication Breakdown
Are modern telecommunications networks vulnerable to earthquakes? Researchers say yes, and have developed a computer tool to quantify potential economic impacts. Telecommunications service...
Water Wisdom of the Ancients
Two water systems thousands of years old--the falaj system in Oman and China's Dujiangyan water works--are still in use today. A climatologist describes how these systems...
Structural Aerodynamics (Available only in
One of the most strikingly ambitious public buildings in France, county governmental headquarters in Marseille, achieves the status of world-class architecture largely through its structural...
San Francisco Bay's Jeweled Necklace (Available only in
When one looks at a map of San Francisco Bay, three bridges stand out to form a link around the central part of the Bay. At night, it takes little imagination for one to see the lights...
Tunneling Under Pressure
Work will begin this month on the South Bay Ocean Outfall (SBOO) project, a $140 million undertaking to build 3.6 mi of tunneling through the saturated ground of the Pacific Ocean. When...
Small Firms, Big Challenges
Does it pay to be small? Though many small engineering firms find strength in their size, others are hampered by limited resources and a specialization that diminishes their client base....
A Gatehouse for Johnson
Philip Johnson's latest addition to his eclectic collection of architectural designs on his Connecticut property is a radical departure from his famed Glass House. Builders...
Telling Florida's Water Story
The latest addition to the nation's family of aquariums is Tampa's recently completed Florida Aquarium. The $84 million 152,000 square foot cast-in-place concrete...
Spotlight on Steel Moment Frames
Engineers' confidence in moment connections was shattered when damage was discovered after the 1994 Northridge earthquake. Such connections are now a hot subject for U.S....
Lining the Line
Having succeeded in achieving dry stations and tunnels in mined construction, flexible waterproofing membranes are now being used to waterproof cut-and-cover subway stations and old, leaking...
Perfecting Bridge Inspecting
The Massachusetts Highway Department has improved the safety of its bridges and increased its productivity by using networked multimedia to gather and store a variety of data about bridges...
Fracturing for In-situ Bioremediation (Available only in
A pilot-scale evaluation of an integrated pneumatic fracturing and bioremediation system demonstrated the enhanced removal of BTX from a gasoline-contaminated, low-permeability soil formation....
Hydroelectric Pumped Storage Technology
International Experience
This Committee report,
Bridge Over the River Karnali
Just as topping Nepal's Mount Everest requires great stamina from mountain climbers, building the Karnali River Bridge in a remote region of western Nepal required six years...
Intelligent Transportation Education
The comprehensive traffic surveillance study for the New York State Thruway Authority (NYSTA) began in late September 1993. The project involved the study of available traffic management...
Asphalt Update
Of the $150 million spent in the five-year Strategic Highway Research Program (SHRP), $50 million went to research to improve the durability and cost-effectiveness of asphalt pavements--on...
A User's Guide to Federal Architect
Engineer Contracts
The
Pavement Management Pays Off
Pavement Management Systems are paying off at various agencies from municipal to state levels. Its PMS consultant enabled the city of Oakland, Calif. to convince FEMA to pay for indirect...
Alternatives for Managing Shallow Ground Water in Arid Irrigated Areas
The combined operation of a drainage system for subirrigation and drainage is being considered for application in arid areas of the world. This is accomplished by modifying an irrigation...
Return to search