Geogrid reinforced soil slopes, gabion retaining walls, erosion control blankets and other geosynthetics are being used to construct the world’s largest human form sculpted into the landscape on a project known as Northcumberlandia. The woman sculpture is the centerpiece of a public park near Cramlington, in the north of England. The site is located adjacent to a surface coal mine, and the byproducts of the coal mining were used to construct the landform. A cover story in Geosynthetics Magazine a few months back featured the project, and the design aspects of the RSS and gabion walls that were use to form some of the woman’s more challenging features such as the chin, nose, and eyebrows. [Source: Read more about Northcumberlandia at GeosyntheticsMagazine.com. Image: Geosynthetics Ltd. via Geosynthetics Magazine]
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GeoSynthetica was kind enough to track down an interesting case study in the use of geosynthetics at a new de-icing facility at Cleveland’s Hopkins International Airport. Ethylene Glycol and Propylene Glycol are commonly used de-icing chemicals. Most de-icing is done at the gate to avoid flight delays, but it also increases the chance of environmental contamination. In the design of a new dedicated de-icing facility at the airport, geosynthetic clay liners (GCL), Geocells, geotextiles and geocomposites were all used to handle chemical-laden runoff as well as regular runoff during the non-icy times of year. Also there is a problem with high water table and a resulting detrimental effect on the pavement subgrade. This is where the aggregate-filled geocells were used. Read on for the link. (Photo by Spiritwood Images)