Found 393 results.

APPI explains energy contracts

September 3, 2020

…on a customer’s contracted rate. Change in law clauses have been interpreted to include, but not limited to, any change in governing laws, regulatory changes, market rules, load profiles, independent…

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CCR landfill final cover test pad—Part 1

August 1, 2020

…and U.S. Environmental Protection Agency (EPA) rule for a landfill final cover, and included the following (from the bottom up): Earthen subgrade 50-mil (1.27-mm) high-density polyethylene (HDPE) integrated drainage system…

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Innovative geosynthetic solution saves 106-year-old Panama Canal structures

August 1, 2020

…By Tom Stephens and Nicolas Ruiz FIGURE 1 Preparing to place a 65-cubic-yard (50-m3) geotextile bag container into 66 feet (20 m) of water at the Gatun Locks…

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EPA finalizes revisions to the coal ash closure regulations, increases public access to information

July 30, 2020

…Andrew Wheeler. “The public will also be better informed as EPA makes facility groundwater monitoring data more accessible and understandable.” In response to court rulings, this final rule specifies that…

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IGS-NA holds workshop at Geosynthetics Conference 2020

June 1, 2020

…Duluth, and Chris Eichelberger of AGRU America. We also like to thank IFAI for providing the venue for this session and AGRU America for the hospitality. Last but not least,…

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Test method for determining leakage through imperfections in GMs of a composite liner system

June 1, 2020

…a pressure vessel cell. Note that the normal pressure is applied by an additional rubber bladder over the top of the assembled cross section. The leakage through any imperfection in…

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High-strength geocell and geogrid hybrid reinforcement

June 1, 2020

…for planar reinforcement for rut criteria (Pokharel 2010). This method has already been employed to design unpaved roads in various projects and has been verified by Pokharel et al. (2015)….

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Geosynthetic strip MSE wall at Point Defiance Marina

April 1, 2020

…when using geosynthetics. Research Andrawes et al. (1978) originally defined the differences between the relative extensibility of the reinforcement inclusions. Inextensible inclusions are those that “have rupture strains which are…

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CSPE performance and history in long-term potable water storage applications

April 1, 2020

…By Brian Fraser, Steven Roades, Mike Neal and Alex Gersch Chlorosulfonated polyethylene (CSPE) is a synthetic rubber-based material manufactured by a calendaring process into multiple layers and combines…

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International Achievement Awards

April 1, 2020

…to install sand-colored GT500 Geotube units that were filled with quarry-run course-grain material at the existing coastline. The oval-shaped 14.8-foot (4.5-m) wide Geotube structure would run the entire 1.1 miles…

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