Opportunities and challenges for geosynthetics

February 1, 2013

Geosynthetics are an important part of the growing oil and gas industry. By Glen Knopp Oil and natural gas production (O & G) is a fast-growing segment of both the U.S. economy and the geosynthetic materials markets. Horizontal drilling and hydraulic fracturing of shale deposits have opened up large new oil and gas exploration plays …

Geosynthetics restore Gulf Coast

September 1, 2012

A new Duke University study, “Geosynthetics: Coastal Management Applications in the Gulf of Mexico,” details how the emerging geosynthetics industry can create jobs benefitting nearly 200 employee locations in 36 states, including more than 72 in the five gulf states and 24 in Louisiana. Increased investment in ecosystem restoration, flood prevention and erosion control is …

Debris barrier keeps creek wild, beautiful and safe

A Canadian creek gets geosynthetic reinforced soil walls to prevent large-debris flooding. By Alex Strouth, Mark Pritchard, David Roche and Calvin VanBuskirk Picturesque Fitzsimmons Creek flows through the heart of Whistler, B.C., Canada—about 80 miles north of Vancouver, and it was one of the sites for the 2010 Winter Olympics. Few visitors to Whistler realize …

EPT XTRM Ply geomembrane products

April 1, 2012

EPT XTRM™ Ply geomembrane products are offered in a full range of polymers such as polyester, polyether urethanes, TPO polypropylene, PVC and ethylene interpolymer alloy (EIA). Available as reinforced membranes or sheeting, they can be used in a variety of applications including potable water storage and protection, coal ash liners, retention ponds, canal liners and …

Roadway reinforcement product from TenCate

Mirafi® RS580i is an orange roadway reinforcement product that uses dual layers and uniform openings to provide consistent filtration and drainage. Utilizing high tensile modulus properties, it is suited for base course reinforcement and subgrade stabilization of roads, runways and haul roads, and it works well on soft foundations for linear support. Mirafi H2Ri is …

Contaminated lake sediments meet geotextile tubes

Onondaga Lake, northwest of Syracuse, N.Y., will be the site of the largest geotextile tube project ever attempted in North America, and TenCate Geosynthetics Americas, Pendergrass, Ga., will provide TenCate Geotube® containers to complete the massive Superfund cleanup. A century of industrial activity, in which factories pumped waste products directly into the lake, left Onondaga …

Geotextiles reinforce another great wall in China

[TenCate Geosynthetics] Almelo, The Netherlands TenCate Geosynthetics used geotextiles to reinforce locally available soil fill in the construction of an extensive retaining wall supporting a new coal processing plant at the Hetaoyu Coal Mine Complex in Gansu Province, China. Approximately one km long, 30 meters high and 140 meters wide, the wall traverses rugged, sloped …

Reinforcement system helps prevent landslides in Taiwan

[Ace Geosynthetics] Taiwan Mountains cover more than 70 percent of Taiwan and a massive transportation system is essential for cargo transport. The Taiwan Ministry of Transportation had devised a temporary solution to drain out excess water in a steep slope in Nantou County in central Taiwan, but landslides instigated by torrential rains caused major damage …

Synthetic landfill cover made out of geosynthetics

[Agru America Inc.] Georgetown, S.C., U.S.A. The company that owns and operates a landfill in Missouri installed a new synthetic closure consisting of three primary components: two layers of woven geotextiles with tufted UV-resistant polyethylene grass that is laid over a 50-millileter LLDPE structured drainage geomembrane and sand infill. The geomembrane layer serves as the …

The largest lagoon liner

March 1, 2012

A 350-acre geomembrane liner project was completed last year in Kazakhstan—in record time. An oil company in Kazakhstan planned to line a 350-acre (1,400,000 square meters) lagoon to contain process liquid waste, and was resigned to a three-year time frame for construction in the rugged and wintry climate of the former Soviet Socialist Republic. Geosynthetic …