GRI GM13

October 1, 2010  |  Products

From the GMA Techline RE: GM13 We request you to kindly send us the GRI-approved grades for manufacturing HDPE geomembrane as per GM13. (Dilip | India) Reply: The GRI GM13 specification is a template of required properties for a manufacturer to meet or exceed. If your geomembrane does indeed meet th…
Friction angle

October 1, 2010  |  Products

From the GMA Techline RE: Friction angle What sort of phi (interface friction angle) would you expect between #57 crushed limestone gravel (0.5in.–1.5in.) and a textured HDPE membrane? Surely more than 10 degrees, right? What would a conservative estimate be, I wonder? (Brian | Kentucky) Reply…
Seaborne erosion-control bags are marine hazard

October 1, 2010  |  Products

In the aftermath of Hurricane Earl, Coast Guard officials were advising mariners to be on the lookout for geotextile sandbags floating around Nantucket Island, according to several newspaper reports. The erosion-control bags, which apparently broke loose from a coastal property on the island’s…
Fish arches built with geotextiles

October 1, 2010  |  Products

BP Canada Energy did its part for the continued welfare of aquatic dwellers in Alberta, Canada, earlier this year, with the help of geotextile materials. Working in conjunction with the Alberta Department of Fisheries and Oceans, a special twist was implemented during the replacement of road culvert…
New Tendrain II from SynTec

September 23, 2010  |  Products

Tendrain geonets were introduced more than a decade ago, offering performance provided by patented triplanar technology. In a press release today, SynTec said it has expanded on its history with Tendrain, Tenflow, Tenseal, and Roadrain with the new Tendrain II. Within a year of operation as SynTec, …
Black Rock Canyon Mine begins field tests of geotextile tubes

September 20, 2010  |  Products

Pacific Gold Corp. has announced that its Black Rock Canyon Mine is testing geotextile tubes for dewatering tailings from the mine’s screening plant in north-central Nevada. Previously, the company tested geotextile tubes in a lab setting with gravel ore from the mine to test the ability of th…
TenCate’s software to assist in flexible pavement designs

September 7, 2010  |  Products

TenCate Geosynthetics North America has introduced Internet-based MiraSpec Design Solutions Software, a software program designed to assist engineers in flexible pavement design, according to a Sept. 7 press release from the company. This software also outlines the role of TenCate’s new RS580i…
New Layfield geomembrane

September 1, 2010  |  Products

Layfield Group has introduced Enviro Liner 6000HD describing it as “a premier grade formulation geomembrane that combines the best properties of flexible polyolefin alloys and high density polyethylene (HDPE).” The new product is noted specifically for its UV resistance, tensile strength…
Freudenberg’s second geotextile line in Russia

August 23, 2010  |  News, Products

The Italian roofing insulation company, Freudenberg Politex, has invested $1.6m to install a new geotextile nonwovens line at its plant in Zavolzhie, in Russia’s Nizhny Novgorod region, according to a press release from the company. The plant’s second line, producing material for the fir…
Building an urban rain garden in Indianapolis

August 19, 2010  |  Products

Stormwater project benefits from Firestone’s donation Indianapolis-based Firestone Specialty Products Company LLC (FSSP) collaborated with Keep Indianapolis Beautiful Inc., Schmidt Associates, and The Athenaeum Foundation this summer to build an environmentally friendly rain garden that serves…