Green roofs with geosynthetic materials optimize sustainability

June 1, 2012

Texas Case Study Introduction Green or vegetated roofs have proven an effective method of reducing the energy load requirements of buildings. Another way green roofs contribute to sustainability is by reducing carbon levels in the atmosphere through carbon sequestration or the removal and storage of carbon. Successful green roofs frequently use a variety of geosynthetic …

Cross section of the Hetaoyu reinforced soil wall

A number of readers have responded with requests after seeing and reading about the 2011 International Achievement Award of Excellence winner, “Geotextile-reinforced soil retaining wall for Hetaoyu Mine coal processing plant” in the February/March issue of Geosynthetics. Most of the inquiries came from engineers asking for diagrams or cross sections of this distinctive structure built …

Geomembrane curtain improves salmon habitat

At the Whiskeytown Reservoir By Bob Gee, Greg Morris, and Stanford W. Slifer Introduction In California’s Central Valley, geomembrane temperature curtains provide an example of how geosynthetic materials can help stabilize environmental conditions along water diversion systems. Located in the Whiskeytown Reservoir, about 10 miles west of Redding in Northern California’s Shasta County, one of …

An unprecedented design/build regulatory effort

April 1, 2012

Closing the A&L Salvage Landfill By Kevin Harshberger, Ron Zitek, and Chris Eichelberger Introduction Description of the A&L Salvage Landfill site in rural northeastern Ohio: 400-acre site near Lisbon, Ohio, began operations in 2001. a C&D (construction and demolition) landfill with asbestos and “unrecognizable” waste—unauthorized municipal solid waste (MSW). 46 acres of waste with no …

Closing and capping the Timber Ridge Landfill

February 1, 2012

This project, submitted by Agru America Inc., won an Outstanding Achievement Award in the 2011 International Achievement Awards(IAA) / Geosynthetics presented by the Industrial Fabrics Association International. Each project in its own special way, exhibits outstanding innovation, technical skill and design excellence. Submissions of geosynthetics projects for the 2011 International Achievement Awards are being accepted …

Using geosynthetics to stabilize soils in a harsh environment

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 …

Geotextile-reinforced soil retaining wall for Hetaoyu Mine coal processing plant

This project, submitted by TenCate Geosynthetics, won an Award of Excellence in the 2011 International Achievement Awards(IAA) / Geosynthetics presented by the Industrial Fabrics Association International. Each project in its own special way, exhibits outstanding innovation, technical skill and design excellence. Submissions of geosynthetics projects for the 2011 International Achievement Awards are being accepted now. …

Application of complex reinforced structure near fault zone

This project, submitted by Ace Geosynthetics, won an Outstanding Achievement Award in the 2011 International Achievement Awards(IAA) / Geosynthetics presented by the Industrial Fabrics Association International. Each project in its own special way, exhibits outstanding innovation, technical skill and design excellence. Submissions of geosynthetics projects for the 2011 International Achievement Awards are being accepted now. …

Emergency water supply: The Upper Chiquita Reservoir

October 1, 2011

By Steve Roades Introduction The recently completed Upper Chiquita Reservoir in Southern California was built to provide the region with substantial new water reserves to meet customer demand during disruptions of water deliveries. These interruptions can be unanticipated—for example, the 1999 break in a primary supply pipeline—or planned, such as a shutdown of the filtration …

The role of geosynthetics in the new New Orleans levees

By Angelle Bergeron Introduction Geosynthetic materials are playing a critical role in providing New Orleans with its best flood protections ever. “We couldn’t have delivered this work by 2011 without geosynthetics,” said Richard Varuso, deputy chief of the geotechnical branch of the U.S. Army Corps of Engineers’ New Orleans District (USACE/NOD). “Geosynthetics save construction time.” …