Material Difference
It was only fitting that the design of a center dedicated to the visual arts on the campus of Franklin & Marshall College feature an interplay of materials � from glass and concrete to steel and...
Amusement Industry Geotechnics: The Ups and Downs of Roller Coasters, Ferris Wheels, and Zip Lines
Wooden coasters have existed for over a century, steel coasters about the same. For as long as coasters have been around, so have coaster enthusiasts, some of whom purport the concept of negative g�s....
Calendar: Bridges 2020
Featured bridges are: Onaruto Bridge (Naruto, Japan); Vizcaya Bridge (Portugalete, Spain); Veteran Memorial Bridge (Rochester, New York); Shibkalinagar Bridge (Kakdwip, India); Brookdale Bridge (Stowe,...
Observe, Teach, and Keep Learning
Norman Quach, P.E., S.E., is a senior bridge engineer at T.Y. Lin International in San Francisco. His advice to younger engineers is to never stop learning....
Not So Fast
Part amphitheater, part bridge, this crossing has space for everyone from book readers to automobile drivers....
Supertall Timber
At 350 m tall, this supertower would be three times the height of the California Redwoods and boast a structural system that is 90 percent wood....
Calendar: Bridges 2019
Featured bridges are: Portageville Bridge (Letchworth State Park, New York); Brooklyn Bridge (New York City); Buntun Bridge (Tuguegarao City); Henley Street Bridge (Knoxville, Tennessee); Forth Bridge...
Towering Views
A proposed observation tower for New York City�s Central Park would comprise the world�s tallest temporary wooden structure and include a wind-powered system to filter water from the reservoir it would...
Calendar: Bridges 2018
Featured bridges are: Isleton Bridge (Isleton, California); Royal Gorge Bridge (Canon City, Colorado); Dom Luis I Bridge (Porto, Portugal); Crescent Avenue Bridge (Fort Wayne, Indiana); M-231 Bridge (Ottawa...
Calendar: Bridges 2017
Featured bridges are: Tongjin Bridge (Nanxun, Huzhou, China); St. John's Bridge (Porto, Portugal); Foresthill Bridge (Placer County, California); San Francisco-Oakland Bay Bridge (San Francisco, California);...
Small Projects are Big Deals
Geotechnical engineers work on a wide array of projects, ranging from small retaining walls or pavement projects, to construction of dams, canals, and foundations for bridges and high-rise...
The Leaning Towers of Wilmington, Delaware: Emergency Response and Retrofit of the I-495 Viaduct to Address Lateral Squeeze
On a sunny, summer afternoon last June, the project manager for AECOM's open-end bridge design contract with the Delaware Department of Transportation (DelDOT) received an...
Calendar: Bridges 2016
Featured bridges are: Irondequoit Bay Outlet Bridge (Irondequoit, New York); Dongshuimen Bridge (Chongqing, China); South Grand Island Bridge(s) (Grand Island, NY); Salmon Bay Bridge (Seattle,...
A Foundation Engineering Trip Down the Mississippi: Foundations for Mississippi River Bridges from Minnesota to Louisiana
Huckleberry Finn had his adventure, but for those interested in foundation engineering, this article will float you down the Mississippi River on your own encounter with the many bridges...
Spread Footings Revisited: Geotechnical Advances Lead to Expanded Use for Bridge Abutments
The Minnesota Department of Transportation (MnDOT) has historically used steel shell piles to support highway bridge structures, probably due to a blend of familiarity and efficiency among...
Evaluating Bridges With Unknown Foundations for Susceptibility to Scour: North Carolina Applies Risk-Based Guidelines to Over 3,750 Bridges
Scour occurs when flowing water removes erodible material such as sand and rock. For bridges over water, scour affects the stability of pier and abutment foundations and contributes to...
National Usage of Geosynthetic-Reinforced Soil to Support Bridges
The Geosynthetic-Reinforced Soil Integrated Bridge System (GRS IBS) was developed by the Federal Highway Administration (FHWA) almost 20 years ago to help meet the demand for the next...
Very Long-Term Care of Mechanically Stabilized Earth Berms: Limiting the Liability of Future Stakeholders
Since their development over 50 years ago, civil engineering applications of mechanically stabilized earth (MSE) berms have significantly increased. When used as a component of an asset...
Risk-based Methods for Geotechnical Features in Transportation Asset Management
The purpose of asset management is to meet life cycle performance goals through the management of assets in the most cost-effective manner. In developing risk-based, asset management plans...
Calendar: Bridges 2015
Featured bridges are: Stewart Canyon Bridge (Banff National Park, Alberta, Canada); Old Trails Bridge (Topock, Arizona); Joso Bridge (Lyons Ferry, Washington); Forth Bridge (Queensferry,...
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