Saving San Antonio
During an October 1998 flood, excess flow from the San Antonio River was funneled into a 3.1 mi (5 km) long, 24 ft (7.3 m) wide concrete-lined tunnel beneath the city that emptied into...
A Safer Route
More than 42,000 people died in transportation-related incidents in 1997, making motor vehicle accidents the leading cause of death for individuals between age one and 34. Engineers are...
Enduring Elegance (Available in Structural Engineering Special Issue only)
Every architect who designs for earthquake-prone areas wants to create an elegant aesthetic form despite the limitations of seismic considerations. The San Francisco International Airport's...
Passage to 2000
On Dec. 31, 1999 the United States turns over ownership and operations of the Panama Canal Commission. In preparation for the handover, the Panama Canal Commission, an independent U.S....
When the Levee Inflates
Rubber dams�long, flexible tubes, anchored to a concrete base and abutments and inflated with air or water�have been used since the 1950s, but installations have risen as technology has...
Shadow Tolls
As federal funding sources shrink, private sector involvement becomes more necessary for road projects. Private entities are reluctant to become partners in road projects unless there...
Casting Hot and Cold
Contractors and engineers battled the Minnesota winter to build a concrete segmental bridge with form travelers. Superstructure segments were poured in temperatures as low as -19F, using...
Building Knowledge (Available only in Structural Engineering Special Issue)
The Integrated Teaching and Learning Laboratory (ITLL) at the University of Colorado provides hands-on engineering lessons for students. Electrical, HVAC, structural, illumination, and...
Applications of Advanced Technologies in Transportation
This volume,
Transportation, Land Use, and Air Quality
Making the Connection
This proceedings contains papers presented at a specialty conference entitled
Shoring Up Lake Shore Drive
A $101 million roadway relocation project in Chicago, winner of a 1998 Outstanding Civil Engineering Award (OCEA) of Merit, reunited the north- and southbound lanes of Lake Shore Drive...
Paradise Crossed
Hawaii's Interstate H-3 project is the winner of the 1998 Outstanding Civil Engineering Achievement Award. The highway, built to alleviate commuter congestion and to link...
Putting Wetlands to Work
Wetlands, whether natural or engineered, have enormous potential to clean up wastewater, but in the past, the public called on civil engineers to drain wetlands en masse as a public benefit....
Traffic and Transportation Studies
This proceedings,
Cliffside Correction
Construction of a 10 km sewer collector in Valpara�so, Chile, came to a halt due to construction difficulties experienced during pipe jacking operations. Analysis revealed not only construction...
Role of Constituents on the Behavior of Flowable Fly Ash Fill
Flowable fills are increasingly used as backfill materials for pipes and retaining structures because of ease of placement and performance of the solidified material. But the role of its...
Fluid Mechanics
An Interactive Text
This multimedia CD ROM,
Hydraulics of Open Channel Flow
This text is designed to make a deliberate effort to extend the modern fluid mechanics approach into the analysis of open channel flow without necessarily requiring the use of advanced...
Sky High
The increasing demand for personal communication services (PCS), such as digital cell phones and pagers, as well as digital television (DTV), has created new challenges for creating and...
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...
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