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...
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...
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...
Beware the Sediment Scare
Your municipal or industrial stormwater facility meets best management practices (BMPs) as outlined by EPA. It is designed to meet requirements under the Clean Water Act and the accompanying...
Designing for Drama
Near the Passaic River in Newark, N.J., not far from the famous Iron Bound restaurant district and Newark's Penn Station, construction crews swarm around the steel skeleton...
More Parking Above
Vertical expansion of six (6) new floors of parking garage on top of four (4) floors of existing structure that was built over three decades ago, adding 155,000 square foot of new structure....
Removing Metals From Soil
Metals-contaminated soils have been among the most intractable hazardous-waste remediation problems. Conventional mitigation methods of capping, stabilization and landfilling all have...
Berlin's Big Dig
As the first of many major development projects for the new Berlin, the DM 1.5 billion FriedrichstadtPassengen project is the largest private construction investment in Berlin's...
Navigation of Autonomous Mobile Robots
An integrated navigational system for autonomous mobile robots features a primary navigator, such as an inertial navigation or a dead-reckoning system, and a secondary navigator. The secondary...
A Minimum Mars Mission Approach
The purpose of this paper is to identify the mission architecture required to perform a human exploration mission to Mars using a minimum amount of resources. This mission will send three...
Making an Olympic Stadium and a Baseball Park
A new dual-purpose stadium which reflects not only the classical origins of the Olympic Games, but also the tradition of baseball, is the architectural centerpiece for the 1996 Centennial...
Research and Development ? Why bother?
As the world becomes a true global marketplace, the ramifications of this change is felt in all aspects of business. Products and services from around the world are beginning to appear...
Aesthetic Considerations in the Design of a Stack Extension
The Connecticut D.E.P. mandated increase in height of the boiler stack at Backus Hospital in Norwich, CT presented many problems. Adding a new 45 foot vertical section atop the old brick...
Seismic Response of Concrete Tilt-Up Systems
A Summary of the measured dynamic response of a one-story, till-up warehouse located in Hillister, California, is presented. Acceleration and relative displacement histories may be used...
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