ASTM update: Committee D35 on Geosynthetics

October 1, 2006  |  News

By Elizabeth Peggs ASTM Committee D35 met June 14-16 in Toronto for its 2006 semiannual session. There were many interesting meetings and activities held in Toronto, and there were eight awards given to task group leaders following the completion and acceptance of new standards. One of the clear hig…
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Geocomposite capillary barrier drain (GCBD) for limiting moisture changes in pavements

October 1, 2006  |  Products

Evaluation of a prototype. By Ruth Roberson, John Stormont, and Karen Henry Abstract Excess moisture coupled with inadequate drainage are believed to be the primary causes of roadway distress and failure. Manifestations of moisture-related distresses such as rutting, potholes, longitudinal and shrin…
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Evaluating the cost-effectiveness of four pavement treatments

October 1, 2006  |  Case Studies

Selecting a smart and efficient road-maintenance strategy. By Jamie Swedberg, Ron Bygness, and C. Joel Sprague A study evaluating the cost-effectiveness of using paving fabrics in roadway maintenance projects is getting a new look. The original work was a comprehensive study of pavement repair mater…
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San Diego Bay gets an underwater facelift

October 1, 2006  |  Case Studies

Geotextile cap is a key to this novel seafloor remediation project. By Sarah O’Connor, Michael Whelan and Ron Bygness Overview This project included aquatic remediation of a former shipyard area consisting of approximately 3,500 tons of underwater demolition, 35,000 yds.3 of dredging of contam…
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Floating cover system used for evaporation and algae control at Australian winery pond

October 1, 2006  |  Case Studies

Problem: An Australian vineyard was experiencing significant evaporation loss, as well as algae growth, from an on-site irrigation pond. To address the situation, a floating cover system for the pond was designed and installed at the vineyard in the Barossa wine region northeast of Adelaide in the s…
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IECA director killed in helicopter crash

October 1, 2006  |  News

Carol Forrest, a board director for the International Erosion Control Association, was killed Aug. 13 in a helicopter crash outside of Astoria, Ore. She was preparing to participate in Flight of Discovery, an aerial expedition to study the environmental and cultural changes along the Lewis and Clark…
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New release of Geomagic Studio

October 1, 2006  |  News

Geomagic®, provider of digital shape sampling and processing (DSSP) software and services, has released Geomagic Studio 9. As a software tool, Geomagic Studio processes 3D scan data for applications ranging from reverse engineering to design and analysis. This latest release of the digital reconstr…
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A long-term solution for grease removal

October 1, 2006  |  News

As the Environmental Protection Agency increases its water requirements for businesses, products that are effective and affordable in solving these problems are needed. The old, small, high-maintenance, concrete grease traps that are common in multiple industries are now ineffective because they do …
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Geo textbook now available

October 1, 2006  |  News

Fundamentals of Geosynthetics Engineering by Sanjay Kumar Shukla ©2006. Geosynthetics has emerged as an innovative area for designers and specifiers, with an enormous growth in civil engineering applications, making geosynthetics a favored construction material throughout the world. Fundamentals of…
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IAGI’s Approved Installation Contractor information online

October 1, 2006  |  News

The International Association of Geosynthetic Installers (IAGI) announced the application availability for its new Approved Installation Contractor (AIC) program. Installation companies interested in applying for what will become an engineer-specified designation, AIC, can now find complete program …
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