PVC sheet piling for cutoff and containment barriers

August 1st, 2020

By Brendan Sheppard and Steve Hargrave FIGURE 1 30-foot (9.1-m) long PVC sheet pile installed with a fixed mast pile driver in August 2015 Polyvinyl chloride (PVC) sheet piling (Figure 1) has been used for more than 25 years in bulkheads throughout the United States and beyond as a replacement for steel, concrete and timber […]

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A minitube blanket for landfill gas collection and containment

August 1st, 2019

By Stephan Fourmont, Pascal Saunier and Toraj Ghofrani Landfill gas (LFG) is produced during the decomposition of putrescible material in landfills. Often referred to as biogas, LFG is a source of odors and fugitive greenhouse gas (GHG) emissions. LFG is typically 40%–60% methane, which is 25 times more potent to affect climate change than carbon […]

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Layfield launches gas barrier geomembrane

January 14th, 2019

Layfield Geosynthetics announced the release of VaporFlex® Premium geomembrane. VaporFlex® Premium is a 7-layer coextruded geomembrane barrier with an ethylene vinyl alcohol (EVOH) core layer. This high-performance geomembrane is specifically designed to provide an ultra-low permeability gas barrier in a broad range of geoenvironmental applications. When compared to high-density polyethylene (HDPE), the VaporFlex® Premium was […]

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Geosynthetics opportunities and solutions in shale gas extraction

October 1st, 2018

While natural gas contained within shale rock is geologic and thus ancient by its very nature, the practice of its removal by horizontal drilling coupled with hydrofracking is a relatively recent development (Figure 1). Indeed, these dual technologies are making possible the recovery of huge amounts of natural gas—so much so that one can envision […]

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HUESKER offers webinar on using geocomposites to conserve irrigation water

July 27th, 2017

HUESKER is presenting a free webinar on using geocomposites to conserve irrigation water on August 17, 2017, at 2:00 p.m. EDT. Hosted by HUESKER geocomposites product manager Roy McClinton, the webinar will offer an overview of various geocomposites used for the conveyance, containment and conservation of irrigation water, which can reduce costs and installation time. […]

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NHI offering web-based course on rockfall stabilization

July 7th, 2017

The National Highway Institute (NHI), in partnership with the Transportation Curriculum Coordination Council (TCCC) and the American Association of State Highway and Transportation Officials (AASHTO) is offering an online training course in rockfall stabilization. The four-hour online course will cover such topics as rock reinforcement and drainage, surface stabilization, rockfall slope containment systems, and rockfall […]

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Brawler Industries announces another expansion

January 25th, 2016

Texas-based Brawler Industries, a provider of specialty-engineered liners for containment and fluid management applications, announced in a Jan. 20 press release its plans to invest in a 7-layer blown-film line for high-performance barrier film applications for the agricultural, construction, and environmental markets. The press release noted that in 2015, Brawler invested more than $10 million […]

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