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New C-Class geotextiles from Typar
April 4th, 2013
Tennessee manufacturer received AASHTO-NTPEP certification Typar Geosynthetics announced in a press release a new addition to its 40 years of Typar geotextile manufacturing: Typar C-Class Construction Fabrics. Engineered for use in AASHTO M-288 applications and to provide strength, uniformity, and durability characteristics, the C-Class provides stabilization, separation, drainage, and erosion control. The release noted that […]
Christopher Neumann named IECA’s ‘Presenter of the Year’
April 3rd, 2013
Lawyer/engineer selected by attendees at 2013 Environmental Connection The International Erosion Control Association (IECA) announced in a recent press release that Christopher Neumann, shareholder with the international law firm, Greenberg Traurig LLP, was selected the Environmental Connection 2013 Presenter of the Year. This award selects one outstanding presenter each year who demonstrates excellent presentation skills, […]
Cooley introduces new engineered geomembrane
April 2nd, 2013
Coolguard PW for liner and cover applications Pawtucket, R.I.-based Cooley Group, announced in a March press release the launch of Coolguard PW, a geomembrane designed for reservoir lining and floating cover applications requiring National Science Foundation 61-certification. Cooley’s newest membrane was developed by applying the chemistry of its Coolguard product line, which is used for […]
Texel invests $15 million in new multifunctional production line
April 1st, 2013
New line to increase capacity, offer 5.25m widths Production and finishing equipment designed specifically to hold the different components of its production line for needle-punched nonwoven materials are now installed in Texel’s new $15 million, 35,000-square-foot facility extension in Sainte-Marie, Quebec, the company announced in a March press release. The new multifunctional equipment, manufactured by […]
An industry evolving
April 1st, 2013
1989 GFR reports that EPA regulations now require leak-detection systems and secondary containment lining … the September/October issue includes an IFAI marketing research article, “Geotextile Market Report: An Industry Evolving,” which charts annual production in millions of square yards: 1985 (210msy), 1986 (235msy), 1987 (264msy), 1988 (297msy), 1988 forecast (333msy), and 1990 projected (369msy). 1990 […]
Geosynthetic opportunities for shale gas plays worldwide
April 1st, 2013
By Bob and George Koerner The geosynthetic opportunities associated with shale gas plays are numerous and essentially involve every type of geosynthetic material. Specific applications that have been identified and implemented at several well sites include: At the drill pad: drilled pad liners for accidental spills composite pond liners for water double pond liners for […]
A history of developments in the industry
April 1st, 2013
By Andrew Aho The Geosynthetic Institute celebrated GRI-25 in Long Beach as part of the Geosynthetics 2013 conference. Bob and George Koerner invited 20 industry folks to present a history of developments in the industry—geosynthetic materials, properties, infrastructure, and systems. I was asked to make a presentation on the history of IFAI and IFAI involvement […]
Cal Poly Pomona captures student competition prize at 2013 GeoCongress
April 1st, 2013
By Prof. Bill Kitch I’m really proud of this group of students. The competition was really tough this year—especially with the addition of the dynamic loading. Not only did they have a great design, but they came together as a team under the strong leadership of their captain, Petrina Zen. This competition provides an excellent […]
Measuring pore size distribution (PSD) with the use of capillary flow porometry
April 1st, 2013
By Trent Smith and Melissa Medlin An ASTM D35 Committee Workshop on Pore Size Distribution was conducted on Jan. 30, 2013, in Jacksonville, Fla. The current industry standard for measuring a geotextile’s particle retention characteristics—ASTM D4751, Test Method for Determining Apparent Opening Size of a Geotextile (AOS)—shows one attribute for the potential filtration capability in […]
Air-channel testing of thermally bonded flexible polypropylene geomembrane seams
April 1st, 2013
By Timothy D. Stark, Richard W. Thomas, and Thomas J. Dehlinl Introduction For more than a decade, thermal welding has proven to be an efficient and cost-effective procedure for field-seaming geomembranes. Thermal welding of polyvinyl chloride (PVC) geomembranes has allowed use of air-channel tests in lieu of destructive peel tests to verify field seams meet […]