Applications of Multibeam Echo Sounding with Topographic Mapping for Monitoring of Rubble Mound Breakwaters
Analysis of data from the breakwater monitoring program indicates the integration of multibeam survey capability with the increased accuracy of OTF DGPS positioning and advanced data management...
Application of Multibeam Echo Sounding and Side Scan Sonar for Mapping of Shoreline Protection Revetments
The use of multibeam survey methodology coupled with high precision positioning systems for the mapping of shoreline protection features and the adjacent offshore areas allows development...
Repeat Performance
Working with a budget of $10 million, engineers designing a new high-rise residential structure in New York City had to find creative ways to control costs. One budget-saving idea was...
Effect of Column-to-Beam Strength Ratio on Seismic Performance of RC Moment Frames
Reinforced concrete (RC) moment frames are often used in building applications. During strong earthquake excitations, such buildings have been subject to soft-story or column sidesway...
The Effect of the Slab on Beam-Column Joint Behavior
The three-dimensional effect of slab interaction on frame behavior has been observed in lateral load tests on beam-column-slab elements....
Evolution of Composite Floor Systems in the United States
Composite floor systems, which combine structural steel beams with a cast-in-place concrete slab, have grown in popularity in the U.S. during the past 40 years. In most early applications,...
Cyclic Behavior of Three-Dimensional Partially-Restrained Composite Connections
This paper describes the test of a full-scale, bi-directional, PR composite beam-to-column connection. The PR connection consisted of continuous reinforcement bars across the column and...
Sharp Curves
In Madison, Mississippi, just north of Jackson on Interstate 55, a diamond interchange with State Route 463 has become a bottleneck for commuters and local motorists. But the typical solution�a...
Extended Life Span
The Harlem River Lift Span�part of New York City's Triborough Bridge System�was the largest vertical span in the country at the time of its construction in 1936. The lift...
Airport on the Move
The Dallas/Fort Worth International Airport (DFW) is building an automated people mover (APM) system as part of a five-year, $2.6-billion capital development program that includes three...
Walled In (Available in Geo-Environmental Special Issue only)
For more than 50 years manufacturing plants adjacent to the northeast bank of a midwestern creek produced asbestos-reinforced construction materials. When manufacturing at the plants ceased...
Keeping It Together
A new framing system for precast concrete columns and beams will allow tall buildings to withstand large earthquakes without damage to the structural integrity of the building. By using...
Above Them All
The design for what would be the next world's tallest building relies on a 1,550 ft (472 m) high concrete core that will give occupants of the top floors of the building unimpeded...
Branching Out (Available in Structural Engineering Special Issue only)
The Cologne/Bonn Airport in Germany is currently undergoing its biggest construction project to date: a $200 million, five-story addition. Close and productive collaboration between the...
Foundation Design for the Elevated Station
The Amundsen-Scott South Pole Station is located at an elevation of 2,850 m on the 3,200 m thick polar plateau, a field of ice and snow that is moving toward the ocean at a rate of 10...
Holding Court
Contractors had their work cut out for them when structural engineers specified concrete-filled steel tubes for the Thomas F. Eagleton Federal Courthouse's perimeter columns....
Isolating the Arts
The LG Kangnam Building in Seoul, Korea, is a multi-use, 140,000 sq m project, consisting of a 40 story, 183 m tall office tower, an adjacent 9-story acoustically base-isolated performing...
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...
Return to search