Instrumented MSE wall reinforced with polyester straps

August 1, 2015  |  Case Studies

Emerging technology Introduction Mechanically stabilized earth (MSE) walls with large concrete panel facing, reinforced with polyester straps, is an emerging technology in the U.S. To enable the design of this wall system using AASHTO’s methodology, its classification of extensibility must be esta…
Geosynthetics & Landfills 101

June 1, 2015  |  Case Studies

Erosion control challenges at solid waste facilities By Eric S. Steinhauser Introduction Landfills, particularly municipal solid waste (MSW) landfills, are often misunderstood. Commonly referred to as “dumps,” these highly engineered facilities, and the engineering project teams involved in thei…
Vegetation establishment is crucial for mine reclamation

June 1, 2015  |  Case Studies

By Jill Pack Project Highlights Mine closure and reclamation Chestnut Ridge Sand Quarry Kunkletown, Pa. Applications Erosion control Slope stabilization Contractor The H & K Group Distributor/Installer Jobsite Products Hydraulic erosion control HydraCM Steep Slope Matrix HydraCX Extreme Slope Ma…
Geosynthetic opportunities in shale gas fracking (revisited)

April 1, 2015  |  Case Studies

By Robert M. Koerner, George R. Koerner, and Archie Filshill Introduction Energy is clearly the driver of almost every activity that the world and its inhabitants rely on and fully utilize. At issue is “what type of energy?” and the answer (as if there even exists a single answer) is largely geo…
Geosynthetics facilitate construction of 10,000-ton tunnel in two weeks

April 1, 2015  |  Case Studies

Construction of the new Nowolazurowa Street tunnel in western Warsaw, Poland. By Jakub Bryk Introduction Nowolazurowa is a new road in the western part of Warsaw, Poland, built to connect burgeoning suburbs with the highway ring road S8. It was designed as a two-roadway, dual-lane artery with sidewa…
Rail project required separation, filtration, reinforcement

February 1, 2015  |  Case Studies, Feature

Introduction The Canadian National Railway (CN Rail) wanted to build an additional six-track extension at its Transcona Yards in Winnipeg, Manitoba. Heavy railcars were expected to pass over this extension area and CN Rail was looking for an economical, efficient, environmentally friendly, and techn…
Polymeric marine mattresses

October 1, 2014  |  Case Studies, Feature

Case studies highlight marine mattress applications By Jeff Fiske Introduction Marine mattresses are rock-filled containers constructed with advanced UV-stabilized co-polymer geogrid materials. Geogrid panels are laced together to form mattress-shaped baskets that are filled with small stones simila…
Geofoam SIPs: Thinking outside the (stick-framed) box

October 1, 2014  |  Case Studies

Introduction In this decade of emerging technologies that seek to decrease carbon footprints, structural insulated panels (SIPs) have come of age. More architects and builders are thinking outside the box when designing with SIPs-creating beautiful buildings that approach net zero energy use and off…
Geosynthetics solutions for Australian desalination plant

August 1, 2014  |  Case Studies

By Pat Elliott Introduction Climate changes and drought have prompted major coastal cities in Australia, and worldwide, to construct desalination plants large enough to provide major populations with rainfall-independent sources of drinking water. In July 2009 the Australian state of Victoria signed…
Steep geosynthetic-reinforced slopes stabilize access routes for construction of 27-km tunnel

June 1, 2014  |  Case Studies

Semmering Base Tunnel project in Austria By Sören Schmidt Introduction Following two years of preparatory work, main construction began on Austria’s 27-km Semmering Base Tunnel in January 2014. The tunnel between Mürzzuschlag and Gloggnitz on the Vienna–Villach/Graz main line i…