Electrical Explorations (Available in Geo-Environmental Special Issue only)
Recent advances in state-of-the-art, relatively fast, two- and three-dimensional electrical resistivity imaging (also called profiling or tomography) have offered a new view on subsurface...
Taking the Mystery Out of Retirement Plans
Less than a third of workers at small firms with 100 or fewer employees have a job-sponsored retirement plan, far fewer than that of bigger firms. A survey by the Employee Benefit Research...
Topographic Surveying
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 29 This manual includes the new electronic surveying...
Deep Diagnosis (available only in Geoenvironmental Special Issue)
Contaminated sediments in the world's waterways present a variety of problems, both economic and environmental. The two basic problems are waterways which need maintenance...
Scaffolding�What Can We Do? (Available only in Structural Engineering Special Issue)
Simpson Gumpertz & Heger Inc. investigated a construction site scaffolding collapse at a West Coast hotel which permanently injured three workers. The engineering investigation...
Hydrographic Surveying
This manual establishes criteria and presents policy and guidance for performing hydrographic surveying in support of planning, engineering and design, construction, operation, maintenance,...
Hovering Over the Harbor
The $600 million extension to the Hong Kong Convention and Exhibition Center features a highly sculpted roof inspired by the uplifting image of seabirds in flight, as well as a 300-ft-long...
Smokestack Rescue
The site of an abandoned cement plant was transformed, via rehabilitation and new construction, into a $56 million retail and entertainment complex. The most prominent visual landmarks...
Site Safety: Rights, Risks, and Responsibilities
Construction site accidents are all-too-common occurrences that claim lives and cause numerous injuries every year. For accidents that result from unsafe conditions on the site, the question...
Site Investigations: A Guide (available in Geoenvironmental Special Issue only)
A geotechnical engineer looks at the evolution of reports on subsurface conditions, the most uncertain portion of construction. Most of the cost and risk of construction occurs beneath...
Stretching a Landfill
Landfill expansions can pose engineering challenges, and the Tullytown, Pa., landfill gives an example of a horizontal expansion that added 121 acres of future disposal space. The side-by-side...
Preparing for Pier A
Earthquakes, oil wells, contamination and unstable soil were among the challenges engineers faced as they prepared a site at California's port of Long Beach for the Pier A...
Quarry Conversion
All over the country, old landfills are filling rapidly, and potential new sites�and public support for them�are in short supply. Cities are faced with increasing solid waste disposal...
Higher Ground
Thirty floods over the course of a century, capped by three major floods in 1993, finally convinced residents of Pattonsburg, Mo., that it was time to move the entire town to higher ground....
Environmental Exposure
The increasing risk of environmental liability calls for engineers and contractors to include environmental risk management as part of a firm's business procedure, even if...
Inspecting the Unknown (Available in Geo-Environmental Special Issue Only)
Unknown foundations have plagued civil engineers for years. In the case of underwater pilings, much time and money is spent inspecting for cracks, breaks or deterioration. Even then, visibility...
The Deep (Available in Geo-Environmental Special Issue only)
Despite a mere 1,500 ft separation, Baltimore's Oriole Park at Camden Yards and Ravens Stadium required vastly different deep foundation solutions. While Oriole Park is founded...
Crane Safety on Construction Sites
Net Gains
Project Web sites can be as simple as a repository for drawings and documents or complex enough to allow real-time dialogue between interested parties and project monitoring. One of GZA's...
Brownfields by the Book
To spur the redevelopment of brownfield properties, many state legislatures have passed laws that allow developers to revitalize contaminated industrial sites without the high risks or...
Return to search