Synthetic turf system stops erosion … for starters

February 1, 2010

Quest for erosion control delivers additional benefits. By Alexandria Hayes Introduction After four years as a district landfill manager for IESI Corp., Delaney Lewis was discouraged. Although one of the Louisiana landfills for which he was responsible exhibited ideal geology, the soil characteristics were not conducive for effective side-slope maintenance. The soil of the LaSalle-Grant …

Erosion control work at Pali Tunnel in Hawaii

October 7, 2009

Geotextile reinforcement is part of an effort to stabilize a slope at the Pali Tunnel on the island of Oahu. More than 10 tons of mud and debris slid onto the highway there in 2006, closing it for days before the area was cleared and deemed safe. The $700,000 Pali Slope Stabilization Project began in …

Geotextile tubes help stabilize shorelines

September 1, 2009

Geosynthetic technologies have emerged as a major tool in the battle against shoreline erosion, and TenCate Geosynthetics, Almelo, The Netherlands, has given the sturdy textiles a new form. The Geotube® system involves filling very large tubular textile containers with local sand or sludge to hold unstable banks in place. Shoreline stabilization frequently is accomplished with …

Erosion-control mix rebuilds Clyde’s creekbank

August 1, 2009

A North Carolina town used a portfolio of geosynthetic erosion-control and reinforcement materials to restore a local streambank and relieve safety threats. Introduction During two weeks in September 2004, the town of Clyde, N.C., was pounded by hurricanes Ivan and Frances, both delivering destructive amounts of rainfall. The small town recovered, but four years later …

Riverbank protection helps save a cemetery

February 1, 2009

Compiled and edited by Ron Bygness For nearly a century-and-a-half, Big Bend Lutheran Church in west-central Minnesota has stood proudly on a 60-ft bluff overlooking the Chippewa River. The founders of this rural parish also plotted a cemetery adjacent to the chuch and even closer to the overlook of the Chippewa’s south bank as the …

Turning the Red River green

The Red River of the North submerged 2 Upper Midwest towns 12 years ago. Now geotextile matting is part of the foundation for a sweeping urban levee and greenway. By Adam Regn Arvidson Introduction Today, the Greater Grand Forks Greenway is a large, beautiful park bordering the Red River of the North in the twin …

Under the green roof: Ground control in northern California

October 1, 2008

Stabilizing a “living roof” with biodegradable geotextile: Interlocking plant trays help the new California Academy of Sciences building blend into hilly surroundings. By Shelby Gonzalez Introduction Lead architect Renzo Piano envisioned the new California Academy of Sciences (CAS) building as an organic part of its setting, San Francisco’s Golden Gate Park. So his design crowned …

New PU composite expected to extend German North Sea defenses

October 1, 2007

The next step in a 3,000m2 extension of a North Sea shoreline erosion-control effort on islands off the northwestern coast of Germany included the installation of more than 20 metric tons of a new polyurethane-mixture coating last summer. The Elastocoast resin system, developed by BASF subsidiary Elastogran, is proceeding with shoreline protection projects in partnership …

Eliminating erosion runoff at a Canadian quarry’s stockpile slope

August 1, 2007

By Sarah Willnerd and Ron Bygness Introduction With ownership of some 900 quarries around the world to sustain its building materials operations, the Lafarge Group claims a commitment to achieving sustainable development hand in hand with environmental compliance. However, attempts to stabilize a large stockpile at its Woodstock, Ontario, quarry were challenging that goal. Lafarge …

Using geosynthetics to rehabilitate Fisher Cañon Dam and Reservoir

Installation of a reservoir liner restored more-efficient irrigation to a Colorado resort By Richard A. Millet, P.E., Jennifer L. Williams, P.E., Dennis A. Minchow, John B. Heap Introduction Fisher Cañon Reservoir is an off-channel storage facility that supplies irrigation water to the golf courses at the legendary Broadmoor Resort near Colorado Springs, Colo. The Fisher …