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...
Suspension Bridges Unplugged
The `coupling effect' between the flexible, suspended superstructure and the very stiff cable anchorage in suspension bridges can produce large motions during strong earthquakes....
It's All in the Bracing
When the Massachusetts Bay Transportation Authority (MBTA) hired Weidlinger Associates Inc., Cambridge, Mass., to renovate the Aquarium Station stop along the subway system's...
Forging Ahead
More than a dozen bridges in the United States have been built using HPS 70W grade steel, which has a yield strength of 485 MPa (70 ksi) but superior toughness compared to conventional...
Making the Connection
This article details the results of a pilot research project on the use of polymer composites and high-strength adhesives for the structural repair of damaged steel frame connections....
High Rise Express (Available in Structural Engineering Special Issue only)
A new column system developed by the Canam Manac Group in Montreal offers the expediency of steel construction with the economy of concrete. The system is made entirely of lightweight...
Covered Bridge Connection (Available in Structural Engineering Special Issue only)
A 145-year-old timber bridge in Downsville, New York, now rests on the longest glue-laminated wood beams ever produced in the United States. Six 53 m (174 ft) long chords were threaded...
Substructures Stack Up (Available in Structural Engineering Special Issue only)
As part of a 1997 research project sponsored by the Texas Department of Transportation and the Federal Highway Administration, the University of Texas at Austin Center for Transportation...
Case Studies in Optimal Design and Maintenance Planning of Civil Infrastructure Systems
Sponsored by the Structural Engineering Institute of ASCE. This collection contains 19 papers on the optimal design and maintenance planning of civil...
Structural Engineering in the 21st Century
This proceedings,
Power Struggle
The Florida Light and Power Company could have replaced its deteriorating, H-shaped wooden power poles in the Tomoka River with exact duplicates, but they chose to use hybrid steel-and-concrete...
Sizing Up Seismic Bearings
Today in the U.S., there are two general technologies available to protect new and existing bridges from the damaging effects of earthquakes. One type, seismic isolation bearings, provide...
Keeping a Low Profile
The Admiral Clarey Bridge in Pearl Harbor, Hawaii, combines fixed and floating bridge elements to span more than 4,500 ft (1,372 m) while hovering just above the harbor waters. The bridge,...
Under Pressure
The Arrowhead East and West contracts for the Inland Feeder water conveyance system being built in California consist of 51,500 ft (15,700 m) of tunnels that cross the San Andreas Fault...
Main Line Mending
Both the Washington Suburban Sanitary Commission (WSSC), of Laurel, Maryland, and the Providence Water Supply Board, of Rhode Island, are conducting massive, multimillion-dollar rehabilitation...
Bridge Safety and Reliability
Sponsored by the Structural Engineering Institute of ASCE. This report covers a wide range of applications of modern structural safety and reliability...
Stream Stability and Scour at Highway Bridges
Compendium of Stream Stability and Scour Papers Presented at Conferences Sponsored by the Water Resources Engineering (Hydraulics) Division of the American Society of Civil Engineers
Sponsored by the Water Resources Engineering (Hydraulics) Division of ASCE. This collection contains 75 papers and 321 abstracts presented at conferences...
Towering Over Xiamen (Available in Structural Engineering Special Issue only)
Composite structural systems are rapidly becoming the preferred choice for high-rise buildings, due to their high strength and stiffness, large ductility, and convenient, economical construction....
The Arch Bridge Mystery
For some years, concrete from the Manayunk Bridge�a long-idle, spandrel-arch railroad bridge in Philadelphia�had been spalling toward the streets and river below. While a system of nets...
Back from the Brink
The Cape Hatteras Lighthouse, the tallest brick lighthouse in the United States, has been moved to prevent it from toppling into the sea as a result of coastal erosion. Engineers from...
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