Flight Path Precision
Air traffic delays at the four airports operated by the Port Authority of New York and New Jersey are among the most severe and costly in the nation. A study by the Port Authority proposes...
Preventing Burnout
Times are good and you have more work than you can handle. That's an enviable position to be in, correct? Maybe not, according to business experts and small engineering firms....
Beach Town Cleanup
The Avila Beach remediation project in California required the demolition of numerous structures and part of the beach in order to remove more than 200,000 cu yd (153,000 m�) of contaminated...
The SPRP Project: An Overview
The National Science Foundation's Office of Polar Programs (OPP), the lead agency for the U.S. Antarctic Program, has begun construction of a replacement station for the Amundsen-Scott...
The Construction Challenges
The varied SPRP construction and construction management complexities of the new South Pole are even more challenging because summer work must be carried out within a compressed window...
Phase II Evaluation Findings
The Segmental Concrete Channel Bridge System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report represents the second component of the...
Calendar: Bridges 2001 Calendar
Featured bridges are: Whipple Bowstring Bridge (OH); Alsea Bay (Waldport) Bridge (OR); Brush Creek Bridge (KS); Whipple Through Truss (OH); Simon Kenton Bridge (OH); Rogue River (Rock...
Subirrigation: Water Table Management
Water table management (subirrigation) is accomplished by controlling the water table, usually through a subsurface drainage system. The crop is subirrigated with water being furnished...
Airport Modeling and Simulation
This proceedings,
Scour Monitoring at Johns Pass and Nassau Sound, Florida
Scour monitoring instruments were installed on two bridges spanning tidal inlets in Florida as part of a research project to develop scour instrumentation. Previous prototype installations...
Rebuilding a Railroad Bridge
The Peck Movable Bridge and Bridgeport Viaduct is a four-track crossing in Connecticut that serves three rail lines. The 1904 bridge had deteriorated, causing a kink that forced trains...
Bangkok Blockbuster
When completed, the 54-kilometer Bang Na-Bang Pli-Bang Pakong Expressway in Bangkok, Thailand, will be the longest elevated expressway in the world. The precast segmental method is being...
Risky Business
Labor, clients, project conditions and information flow are all potential risks that small design firms face when deciding to agree to a fixed price. If you're in charge of...
Bridging Substance with Style
Engineers used an elegant form to come up with a functional solution when designing the new Damen Avenue Arch in Chicago. Two steel ribs, created using heat induction bending, closely...
Casting Their 'Net
Small engineering firms are exploring new markets, winning clients and bringing in fresh talent�all through their company web pages. Executives from small firms around the country talk...
Cable Access
By moving the expansion joints off the main, cable-stayed span and creating innovative cable connections and tower configurations, Parsons Brinckerhoff Quade & Douglas Inc. (PB)...
Monitoring Construction Vibrations (Available in Geoenvironmental Special Issue only)
A review of procedures, criteria and equipment used to protect buildings and other structures from construction generated vibrations, the article begins by describing the importance of...
Betting on the Baseline (Available in Geoenvironmental Special Issue only)
In construction contracts, new deductive differing site conditions (DSC) clauses provide for credits to owners when contractors encounter better-than-anticipated subsurface conditions....
Walled In (Available in Geoenvironmental Special Issue only)
Of the many challenging aspects of the $10.8 billion, 7.5 mi long Central Artery Project in Boston, the construction of soldier pile, tremie concrete (SPTC) walls under the existing elevated...
Cap of Concrete
The roof of a new $84 million arena in New Orleans was built using techniques usually seen in tied-arch concrete bridges. The concrete components of the roof carry the large compression...
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