Up into the Sky
What is the future of the skyscraper? The events of September 11 have sparked numerous questions regarding the history and future of tall buildings in America, and before the World Trade...

Metamorphosis
Ranked as one of the 15 tallest buildings in New York, the headquarters of the Bear Stearns Companies, Inc., is a 45-story skyscraper that is 815 ft (248 m) tall. Replacing an existing...

Strength from Within
After decades of being continuously struck by rockfalls and wayward vehicles, Knapps Hill Tunnel—a highway structure built in 1936 and located on state Route 97A in central Washington...

Update of ASCE Manuals and Reports on Engineering Practice No.74 Guidelines for Electrical Transmission Line Structural Loads
For many months there has been doubt that the latest version of ASCE Manuals and Reports on Engineering Practice No. 74. Guidelines for Electrical Transmission Line Structural Loading,...

Raising the Bar - 345kV Uprating
The paper presents solutions to increasing the transfer capacity (book rating) of two critical 345kV tie lines. Described are computer modeling techniques using laser survey data coupled...

The Inside Story
A full-scale renovation of the interior of Oklahoma City's Civic Center Music Hall required shaving much of the depth from two trusses under load conditions, installing new...

Protecting the Ports
Increased security concerns are prompting the nation's ports to rethink the design of their points of entry, especially at their terminals. Civil engineers are being called...

Ahead of the Curve
Four curved steel girder bridges for Pittsburgh's light-rail project posed challenges ranging from multiple site constraints to special rail loads and welded rail interactions....

Load Test Program Pays Off

Micropiles: Think Small for Big Loads

Fast Forward
Under the aegis of the French government, the Société Nationale des Chemins de Fer Français (French National Railway Society), or SNCF, has built two new bridges, each approximately 1,100...

Outstanding Civil Engineering Achievement Award and Award of Merit for 2001
The outstanding civil engineering achievement award (OCEA) recognizes civil engineering projects that contribute to community well-being, demonstrate resourcefulness in planning and solving...

High-Tech Inspection
The Federal Highway Administration's National Bridge Inspection Program requires the states to report the condition of its bridges as determined by visual inspection, and...

Evaluation of the Trevipark Automated Parking System
Prepared by the Civil Engineering Innovative Technology Evaluation Center, a CERF innovation center serving the engineering and construction industries. ...

Dynamic Response of Lattice Towers and Guyed Masts
Prepared by the Task Committee on the Dynamic Response of Lattice Towers of the Technical Committee on Special Structures and the Technical Administrative Committee on Metals of the Structural...

Evaluation of Thermocoax Piezoelectric Weight-in-Motion Sensors
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report describes a program of installation,...

Evaluation of Measurement Specialties, Inc. Piezoelectric Weigh-In-Motion Sensors
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report describes a program of installation,...

Using Tracer Response Curves to Quantify Hydraulic and Channel Complexity of Prairie Creek, Northwestern California: Implications for Over Wintering Habitat for Juvenile Coho Salmon
This study measured and compared aspects of channel structural complexity with hydraulic complexity at a range of flows including winter storm flows. Five 200-meter reaches containing...

Single-Shell Permanent Lining: Reflections from the Structural Point of View

Mechanical Properties of Early Age Steel Fibre Reinforced Shotcrete

 

 

 

 

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