Performance, design, and redundancy

June 1, 2013

Geosynthetic reinforced walls in the public sector By Dov Leshchinsky and Fumio Tatsuoka Introduction Geosynthetic reinforced soil can be viewed as a subset area of slope stability. In slope stability analysis, the factor of safety signifies the margin of safety against failure. It physically means that its reciprocal value signifies the average mobilization or utilization …

Marine works, geotextile characteristics

From the GMA Techline RE: Marine works, geotextile characteristics I want to know your point of view concerning the selection of the correct geotextile as a separation layer below a submerged reef. The submerged reef section … includes a 2–3 ton double layer laid directly on a geotextile, without insertion of sublayer, because they wanted …

TenCate completes RSi geotextile series

May 16, 2013

New woven geosynthetic product is RS280i. In a May 16 press release, TenCate Geosynthetics Americas announced its third patent pending geosynthetic for road and railway reinforcement—TenCate Mirafi RS280i. The release noted that this woven geotextile completes the Mirafi RSi series of geosynthetics for base reinforcement and subgrade stabilization, preceded by RS580i in 2010 and RS380i …

New C-Class geotextiles from Typar

April 4, 2013

Tennessee manufacturer received AASHTO-NTPEP certification Typar Geosynthetics announced in a press release a new addition to its 40 years of Typar geotextile manufacturing: Typar C-Class Construction Fabrics. Engineered for use in AASHTO M-288 applications and to provide strength, uniformity, and durability characteristics, the C-Class provides stabilization, separation, drainage, and erosion control. The release noted that …

Texel invests $15 million in new multifunctional production line

April 1, 2013

New line to increase capacity, offer 5.25m widths Production and finishing equipment designed specifically to hold the different components of its production line for needle-punched nonwoven materials are now installed in Texel’s new $15 million, 35,000-square-foot facility extension in Sainte-Marie, Quebec, the company announced in a March press release. The new multifunctional equipment, manufactured by …

Use of geosynthetics in wind farm access roads

Case histories from Poland, Canada, and U.S. By Stephan M. Gale, P.E., D.GE., Mark Kurtz, Fred Chuck, P.E., and Dick Janse Introduction The location of a renewable energy project is based on many technical and political issues. Sites are selected because of available wind forces, power distribution, and land leasing issues, but not normally on …

TenCate launches app to assist with flexible pavement designs

March 19, 2013

TenCate launches app to assist with flexible pavement designs TenCate launches app to assist with flexible pavement designs Company’s first iPad app focuses specifically on design software A new app from TenCate Geosynthetics Americas is described in a March 14 press release as an assist for engineers in flexible pavement design, while concurrently demonstrating the …

North shore restoration of West Ship Island

February 1, 2013

This project, submitted by Flint Industries, won an Award of Excellence in the 2012 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 2013 International Achievement Awards are being accepted now. …

Transformation of wastewater impoundment into Qingjing Lake at Sino-Singapore Tianjin Eco-city

This project, submitted by TenCate Geosynthetics, won an Outstanding Achievement Award in the 2012 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 2013 International Achievement Awards are being accepted now. …

Reinforced levees stand strong

Geosynthetic materials provide hurricane protection through erosion control for Louisiana levees, and a Florida canal By Andy Burran Introduction Hurricanes and other extreme storm events seem to be intensifying, putting the U.S. infrastructure at increasing risk of failure. As the nation assisted the Northeast in rebuilding after Hurricane Sandy last fall, we were reminded of …