Geocomposite cover for sulfide tailings

February 1, 2008  |  Case Studies

By Bruno Herlin, P.Eng. Abstract In autumn 2006, the Ontario Ministry of Northern Development and Mines tendered a construction project to provide a soil cover over the North Impounded Tailings (NIT) area at the abandoned Kam Kotia Mine site in east-central Ontario, Canada. The soil cover would effe…
Transmissivity: An ambiguous contradiction

February 1, 2008  |  Features

By Richard Lacey, TRI Environmental Introduction Specifying the transmissivity of a drainage product seems straightforward. There are only two approaches defined in the governing test method. One is to specify the required transmissivity, while the other is to specify the required in-plane flow rate…
Coastal dune stabilization using geotextile tubes at Las Coloradas

February 1, 2008  |  Case Studies

By Sergio Aguilar Escalante and Alfonso Sol“s Pimentel Abstract Beaches and coastal dunes at Las Coloradas, Mexico, were severely affected after Hurricane Wilma stormed through the northern coast of the Yucatan Peninsula in October 2005. Dune destruction connected open sea with lagoon systems …
Flint Industries Inc. wins 2007 Outstanding Achievement Award

February 1, 2008  |  Case Studies

The award is part of the 2007 International Achievement Awards presented by the Industrial Fabrics Association International (IFAI). Project description This project involved installing a soil cap over the surface of a 55-acre sludge pond under the auspices of the Florida Department of Environmental…
ML Ingenieria S.A. de C.V. wins 2007 Outstanding Achievement Award

February 1, 2008  |  Case Studies

The award is part of the 2007 International Achievement Awards presented by the Industrial Fabrics Association International (IFAI). Project description This project underscored the advantages of using geogrids to build many of the biggest retaining walls ever constructed in Chilpancingo, the capita…
TenCate Geosynthetics wins 2007 Award of Excellence

February 1, 2008  |  Awards

The award is part of the 2007 International Achievement Awards presented by the Industrial Fabrics Association International (IFAI). Project description This project featured the construction of a 1H:1V geosynthetic reinforced steepened slope, 242ft high at Yeager Airport in Charleston, W.Va. This h…
Geosynthetics receives two awards

February 1, 2008  |  News

Geosynthetics has received two more magazine awards, both announced late last year. The bimonthly magazine formerly known as GFR won the first-place Gold Award in Association Trends 2007 All-Media Contest in the Scholarly/Technical/Scientific category, announced in December. Geosynthetics also was c…
RE: “The Bridge” & “Butterflies”

February 1, 2008  |  News

We can only thank God after narrowly surviving such incidents (“The Bridge” October/November 2007). Our life is nothing but a flame of candle burning against winds. It was a very touching way that you expressed the mishap in your editorial. Good to see the poetic side of a technical pers…
Additional comment on Part 1 of SRW series

February 1, 2008  |  News

I just finished reading the article (“Challenges in building SRWs … “) published in Geosynthetics magazine. I think your conclusion that the owner should take control of the design is right on the money and should be part of the bid package. I also believe that a generic, performa…
Comment on Part 1 of SRW series

February 1, 2008  |  News

I am very happy to see the efforts to educate owners using SRWs. The article in Geosynthetics (“Challenges in building SRWs … “ October/November 2007) is very good. I like the emphasis on quality control and defining responsibility of sub-surface improvements. It is a good checkli…