Using geosynthetics to stabilize soils in a harsh environment

February 1, 2012

Erosion control in mining applications By Dhani Narejo, Bruno Hay, and Bryan Wedin Mine site erosion problems One of the largest nickel mining sites in the world is located on the island of New Caledonia in the South Pacific. Due to the size of the mining project and the terrain of the site, significant cut-and-fill …

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Carbon footprint implications of the erosion control response

From the Geosynthetics Research Institute’s 24th conference, 2011.The articles in this series encompass all types of geosynthetics and their applications viewed from the context of sustainability. Traditional solutions are compared with geosynthetic solutions from both cost and carbon footprint perspectives. (from the Geosynthetic Research Institute’s 24th conference, 2011) Introduction Many geosynthetic erosion control technologies are …

The need for erosion control material specifications

By Bob & George Koerner The authors feel that a reasonable case can be made that generic specifications have significantly aided both geotextile materials (e.g., via AASHTO specs) and geomembrane materials (e.g., via GRI specs). Such specifications address most common situations and also provide a platform from which unusual or atypical site-specific conditions can be …

FEMA says: Rebuild better, safer, smarter—use geosynthetics

October 20, 2011

Following Tropical Storm Irene’s destructive path through western Massachusetts in late August, officials with the Federal Emergency Management Agency (FEMA) and the Massachusetts Emergency Management Agency (MEMA) say they want to inform all recovering municipalities and nonprofit organizations that there may be additional funding available to reduce or prevent future flood damage, according to a …

Tensar launches new web-based version of erosion control materials design software

September 2, 2011

Calculations ensure proper evaluation, design and product specification for engineers, designers, and contractors Tensar International, manufacturer of North American Green erosion and sediment control products, announced in a press release this week the launch of its web-based version of Erosion Control Materials Design Software. ECMDS 5.0 ensures the proper evaluation and design for soil-loss prediction, …

ECTC’s installation guidelines for sediment retention roll

August 2, 2011

The Erosion Control Technology Council (ECTC) has published a “General Usage and Installation Guidelines for Sediment Retention Fiber Roll (SRFR),” it announced in a July 29 press release. The guidelines are the result of consensus among SRFR manufacturers and are designed to address the needs of engineers, designers, and other end-users of these products, the …

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A Lake Tahoe bluff-restoration story

June 1, 2011

From eroded to elegant By James Chinchiolo Introduction This project took place on a scenic high-banked lakefront property in Rubicon, Calif., with a 60-ft-high unstable and badly eroded shoreline bluff facing (Photo 1, below). The site was originally owned by Scottish immigrant and journalist B.C. Forbes (founder of Forbes magazine), and it is now owned …

Tensar acquires Mulch & Seed

May 5, 2011

In a May 4 press release, Tensar International Corp. confirmed its completion of acquiring Centre, Ala.-based Mulch & Seed Innovations (MSI). The release described Tensar’s addition of MSI product lines as “supplementing a portfolio of soil reinforcement, stabilization and, now, hydraulic erosion control and vegetation.” Prior to the acquisition, Tensar was the exclusive distributor of …

New turf reinforcement from East Coast

February 25, 2011

East Coast Erosion Control introduced its newest product offering this week at the EC’11 event in Orlando: the T-RECS (Turf Reinforcement Erosion Control Solution). ECEC, a supplier of rolled erosion control products, hydromulches, and turf reinforcement mats (TRMs), said in its press release that T-RECS is designed to provide durable erosion control quickly and affordably. …

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Tales from the tundra

February 1, 2011

Erosion-control trailbuilding in ‘Kwig,’ Alaska. By Cory Schneider Living around Green Bay, Wis., all my life, I’ve grown accustomed to fairly harsh weather conditions. After all, Green Bay is often referred to as the “frozen tundra” because of its long, cold winters. (And, of course, the “frozen tundra of Lambeau Field” immortalized by Green Bay’s …