Application of a Three-Dimensional Model to Assess Seawater Intrusion in the South San Diego Embayment
The San Diego Formation is a Pliocene through Quaternary age aquifer occupying the southwestern-most part of San Diego County. Though the formation is widespread, thicknesses of up to...
Evaluation of System Constant Volume Control
System constant volume control (SCVC) has been developed for optimal control of canal systems. The objective of system constant volume control is to maintain a reference storage (or target...
From Sediment to Solid
While closing a 32 acre, storm-water impoundment area contaminated with petroleum waste sediments at an oil refinery, engineers came up with a more-effective treatment plan that saved...
High Level Radioactive Waste Management 1996
The proceedings of the Seventh International Conference on High Level Radioactive Waste Management, held on April 29-May 3, 1996, Las Vegas, Nevada, continues a concerted effort to transfer...
Hyogo-Ken Nanbu Earthquake of January 17, 1995
A Post-Earthquake Reconnaissance of Port Facilities
Prepared by the Committee on Ports and Harbors Lifelines of the Technical Council on Lifeline Earthquake Engineering of ASCE.
Storm-Water Treatment Goes Underground
The field of storm-water management continues to evolve as practitioners gain more experience and knowledge from the successes and failures of the past. While we once treated every site...
Seismic Design Doubles Lateral Resistance (Available only in
A veterans hospital in Palo Alto, Calif. had to be built under severe design constraints. The seismic code for hospitals is among the most stringent of codes and this facility was sited...
Washington Buildup
Despite its reputation as a city mired in fiscal crisis, Washington, D. C., continues to improve its basic infrastructure. A look at three ongoing projects�a sports arena, a waste water...
Seeking Structural Solutions
A photo essay on the unique work of Santiago Calatrava, a Spanish-born engineer and architect whose bridges and buildings have attracted international attention for their unusual esthetics....
Parking Lot Corrosion Cure
The $3 million structural repair and restoration of a large post-tensioned parking structure required engineers to replace 2,400 tendons while keeping the parking garage in service. After...
Detecting Leaks Electronically (Available only in Geo/Environmental Engineering Special Issue)
An innovative monitoring system originally developed to detect cyanide leaks at gold mines can now monitor the integrity of geosynthetic liners at municipal- and hazardous-waste landfills...
Engineers and ADA
When it comes to the Americans with Disabilities Act, design professionals have special liability concerns. Engineers not only have to ensure that clients meet the act's stringent...
Hospital Over a Highway
New York Hospital is undergoing a $1 billion expansion that includes construction of a new building over the FDR Drive in Manhattan using air rights. The starting point for this building...
Down-to-Earth Terminal Design
From New England to the Pacific Northwest, airport terminals in the 1990s are being designed and built to meet foreseeable demand--with very little uncommitted space. The speculative nature...
Touchdown for O-Cell Test
The Los Angeles Memorial Coliseum was badly damaged by the Northridge earthquake. There was seven months to complete 3 years of work to be ready in time for football season. The project...
Raising the Roof
For years, the Mobile County government contemplated placing both county and city governmental services under one roof. Although there were many obstacles -- political, financial and land...
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...
Ports '95
This proceedings,
Wood Working
Engineers may be more accustomed to working with concrete and steel, but for certain projects aesthetics, cost or other considerations may make wood the preferred choice. According to...
Air-Supported Roof Redux
Long-span, low profile, air-supported roofs have been dramatic additions to a dozen public arenas built in the 1970s and early 1980s. The advantages of these roofs were overshadowed by...
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