GSI to host webinar on geosynthetics in heap leach mining

January 27th, 2022

Photograph courtesy of NAUE GmbH & Co. KG The Geosynthetic Institute (GSI) will sponsor a webinar, “Geosynthetic Applications Used in Heap Leach Mining,” on Feb. 9, 2022, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. The […]

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Propex Global announces engineered mattress system for scour and erosion protection

January 10th, 2022

Photograph courtesy of Propex Global Propex Global has launched the PYRAMATTRESS Engineered Mattress System, an erosion control solution designed to resist potential scour and erosion caused by the constant flow of water or high hydraulic stresses.  The system utilizes the durability and erosion resistance of PYRAMAT 75 High-Performance Turf Reinforcement Mat (HPTRM) to construct a […]

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Windfall: Substantial water infrastructure funding is in the infrastructure law

December 3rd, 2021

Photograph courtesy U.S. Chamber of Commerce Foundation Following the passage and signing of the historic Infrastructure Investment and Jobs Act (IIJA), the U.S. Environmental Protection Agency (EPA) will be making significant investments in the health, equity and resilience of American communities. With unprecedented funding to support our national infrastructure, EPA will improve people’s health and safety, […]

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COMANCO completes Crystal Lagoon lining in southwest Florida

November 24th, 2021

By David Ramirez, project engineer, COMANCO Crews lining the lagoon with a white LLDPE geomembrane. Photograph courtesy of COMANCO A COMANCO crew led by Superintendent Alejandro Loza has completed a Crystal Lagoon geosynthetics installation in Bradenton, Fla. The COMANCO lagoon liner consisted of smooth and textured 80-mil (2-mm) linear low-density polyethylene (LLDPE) white geomembrane. Overall, […]

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Pittsburgh Water & Sewer Authority taps Layfield Geosynthetics for floating cover for reservoir

November 10th, 2021

Photograph courtesy of Pittsburgh Water & Sewer Authority The Pittsburgh Water & Sewer Authority (PWSA) chose Layfield Geosynthetics (USA) for the supply and installation of a new chlorosulfonated polyethylene (CSPE) liner and floating cover system for the Highland 2 Reservoir. The project includes demolition of the old liner and cover and fabrication and construction of a […]

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GSI to host webinar on hydraulic applications

June 30th, 2021

The Geosynthetic Institute (GSI) will sponsor a webinar, “Geomembranes in Hydraulic Applications (dams, canals, reservoirs, tunnels, pipes),”on July 14, from 11:30 a.m. to 1 p.m. EDT. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. By 2040 it is estimated that two billion people […]

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Geosynthetics: An extraordinary handler of water

April 1st, 2020

Most geosynthetics deal with water in some shape or form. Geosynthetics are an extraordinary handler of water, whether the project involves erosion control, water storage, wastewater, stormwater, seawater or mining. This issue of Geosynthetics looks at water applications in several forms. Drainage, leak detection layers, potable water storage, a mechanically stabilized earth (MSE) wall at […]

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Senators and House members introduce bill to spur use of innovative infrastructure materials, GMA plays key role

August 3rd, 2018

Sens. Sheldon Whitehouse, D-R.I.; Lamar Alexander, R-Tenn.; Mike Rounds, R-S.D.; and Cory Booker, D-N.J., introduced on Aug. 2 the Innovative Materials for America’s Growth and Infrastructure Newly Expanded (IMAGINE) Act, to encourage research and deployment of innovative construction materials in transportation and water infrastructure projects nationwide. Investing in these new techniques and materials would help […]

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Reviving the Palos Verdes Reservoir—Part 2

April 1st, 2018

The October/November 2016 issue of Geosynthetics published Part 1 of this series on revitalizing the Palos Verdes Reservoir in Los Angeles County, California. That article described the approach to revitalizing the site, as well as the five-month-long geosynthetic manufacturing and fabrication phase. In Part 2, we continue to explore more of the inner workings for […]

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Geosynthetics and erosion control

February 1st, 2018

Terra firma often does not morph in ways that modern society appreciates. Erosion from stormwater, snowmelt, long-term water flow and unrelenting waves sweep away soil and rock from steep slopes, riverbanks, ditches, channels, shorelines, building foundations and much more. To understand the power of erosion, simply think about the Grand Canyon, which was formed by […]

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