The Costs and Benefits of Dam Removal on the Elwha River
The Elwha River is located on the Olympic Peninsula in the State of Washington. In the early 1900s two hydroelectric dams were built on the Elwha River. Construction of Glines Canyon and...
Building an International Community of Structural Engineers
This proceedings, composed of two volumes, contains the papers presented at the American Society of Civil Engineers (ASCE) Fourteenth Structures Congress held in Chicago, Illinois, USA,...
HOV Fix on I-66
Construction has been under way since December 1993 on a project to widen and add a high occupancy vehicle lane on a 12 mi section of Interstate 66 from Route 50 to the City of Manassas...
Swimming in Style
The Deerfield Academy's new $10 million swimming and squash facility, built in the floodplain of a river, is a jewel-box created from glue-laminated timber, galvanized steel,...
Advanced Composites Build on Success
Advanced composite materials are competing with conventional structural materials thanks to the ready availability of glass, aramid and carbon fibers, epoxies, vinylesters, polyesters...
Bare Bones Buildings
A new approach to fire engineering opens possibilities of designing buildings in which the structural skeleton is part of the architectural statement. Fire and corrosion requirements used...
Alluring Approach
A new bridge over the White River in Columbus, Ind., is a unique, architecturally appealing cable-stay, concrete-and-steel structure. The bridge satisfies municipal officials'...
The Taller the Deeper (Available only in the Geo/Environmental Special Issue)
While debate rages on about which structure holds the title of the world's tallest building, there is no dispute over which building has the deepest foundation. At 130 m below...
Engineered Contaminated Soils and Interaction of Soil Geomembranes
Due to liability issues, landfills are no longer considered the best method of waste disposal. Innovative, safe disposal methods for large quantities of contaminated soils and waste are...
Evaluation of the Troxler Model 4430 Water-Cement Gauge
Prepared by the Highway Innovative Technology Evaluation Center, a CERF Service Center. This report describes a HITEC evaluation designed to determine...
High Over Shanghai
In response to difficult design conditions, Shanghai's Jin Mao Tower's structural system harmoniously mixes building materials and strategically places them to...
Portland's Light Rail Goes Underground
A 29-km extension of Portland's first modern light rail system nears completion. The extension includes a 4.6 km twin-tunnel section and the deepest transit station in North...
Hawaii's Interbase Interstate
Connecting two major military installations, Hawaii's third Interstate highway (H-3) is the largest ($1 billion) HDOT project to date as well as the longest in time (planning...
Rocky Mountain HOV
In 1988, Colorado DOT and the firm of Daniel, Mann, Johnson, & Mendenhall, Denver, the oversight consultant on the project, set out to bring the highway up-to-date and promote...
Grouting Through a River
A regional sewer district in Ohio is implementing a master plan to separate storm and sanitary flows, decommission some old treatment plants and upgrade others. Part of the plan, the West...
The Northridge Fractures: Are We Learning the Right Lessons?
After the Northridge earthquake in January 1994, engineers found problems with special moment-resisting frames. There were multiple facture modes, and typical damage involved primary crack...
Guidelines for Evaluating Aging Penstocks
Lessons From Kobe
On Jan. 17, Kobe, Japan became the first post-World War II, heavily populated, industrialized area to bear the full brunt of a high-magnitude earthquake. Engineers hope the resulting destruction...
Northridge Postscript: Lesson on Steel Connections
Immediately after the Northridge earthquake in January 1994, the general concensus was that steel-framed buildings performed extremely well. Later, inspectors were surprised to find weld...
In the Wet
The concept of using large diameter vertical cylinder piles of steel and concrete is not new. Vertical cylinders constructed in pneumatic caissons go back at least 70 years. Steel cylinders...
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