Rebuilding History
Deterioration of the second-oldest multiple-arch masonry viaduct in the country�in Canton, Mass.�threatened its ability to continue carrying Amtrak's Northeast Corridor trains,...
Pipelines in the Constructed Environment
This proceedings,
Building Between Buildings (Available in Structural Engineering Special Issue Only)
Construction of tall buildings in the centers of the world's large cities almost invariably involves working within severe site constraints. The constraints can involve all...
Alaska's Last Link
Alaska's Seward Highway has been upgraded this past year. The last section of the highway dates back to the state's early mining days in the Kenai Peninsula,...
Cure for Thinning Concrete
After placing 75% of the concrete liner for twin 4.6 km transit tunnels in Portland, Ore., engineers discovered areas of concrete that were thinner than the prescribed 305 mm thickness....
Northumberland's Ice Breaker
Extending more than 12.8 km over treacherous waters, the new Northumberland Strait Crossing had to go a long way to finally join the last separate Canadian province to the mainland. Design...
Stressing Masonry's Future
Post-tensioning techniques are expanding the possibilities for masonry in building and bridge construction. Two projects in Britain and the U.S. show the rewards of rethinking approaches...
A Race to Innovate
The annual Concrete Canoe Competition, which is co-sponsored by the ASCE and Cleveland-based Master Builders, fosters several engineering breakthroughs that are ignored or forgotten by...
Concrete Colossus
After finding 120 million cubic meters of oil and 30 billion standard cubic meters of natural gas 175 kilometers off the Norwegian coast, Houston-based Conoco, Inc. was faced with a second...
Better Salt Storage
Facing tighter maintenance budgets and stringent environmental regulations, many highway departments are designing and building innovative structures to store road salt. One such structure...
Manhole Rehab
Using trenchless technology, two construction crews working on the Massachusetts Water Resources Authority's Wellesley Extension Relief Sewer project rehabilitated 83 manholes...
Advances in Structural Optimization
A compilation of twenty papers,
The Pipes Sound Off
Using technology developed by the navy, engineers are now able to determine the condition of prestressed concrete cylinder pipes by listening to the prestressing wires as they break....
A Signature Bridge for Boston (Available only in Structural Engineering Special Issue)
The first hybrid steel and concrete span in America will debut over the Charles River in Boston, carrying ten lanes of interstate traffic and serving as an elegant capstone to the largest...
Full Use of Arching in Deck Slabs (Available only in Structural Engineering Special Issue)
The use of arching concrete deck slabs allows engineers to safely reduce the amount of reinforcement at a significant overall cost savings. Engineers with the Ministry of Transportation...
Taking in the River
As dams across the country age, so do their intake gates, and testing them requires dewatering. To meet the challenge of dewatering these structures without upsetting sensitive aquatic...
Fathoming the Strength of Structures
More and more, the owners of bridges and piers are budgeting rehabilitations based on inspections done underneath the waterline. Increasingly, they want the underwater inspectors to be...
Recycling Penn Forest Dam
Almost since it's construction more than 30 years ago, the Penn Forest Dam had suffered severe seepage, leading officials in Bethlehem, Penn., to wonder how secure their largest...
Design of Blast Resistant Buildings in Petrochemical Facilities
This report provides general guidelines in the structural design of blast resistant petrochemical facilities. Informational coverage is provided for OSHA requirements, design objectives,...
Grouting
Compaction, Remediation and Testing
This proceedings,
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