Geotextiles in levees (Part 1 of 2)

April 1, 2009

History, performance, and design of geotextiles in levees: A report from New Orleans By Jody Dendurent and Mark Woodward Abstract Geotextiles are a key element in building levees that will survive catastrophic storms. The geotextile-reinforced earthen levees in New Orleans performed remarkably well during Hurricane Katrina in August 2005. With the current focus on updating …

Prefabricated bituminous geomembrane: A candidate for exposed geomembrane caps

By Ian Peggs Landfill caps prevent incident precipitation from becoming leachate that has to be treated, contain landfill gas that can be used to generate electricity, and prevent odors that annoy neighbors. Typically, geomembrane caps are covered with soil and vegetation for appearance and for the construction of parkland and recreational facilities. However, exposed geomembrane …

Finland mine features bituminous geomembrane liner

The liner is at the Kittilä Gold Mine in northern Finland. By Bertrand Breul, Mikko Huru, Anton Palolahti Abstract This article will describe the mine in general, including the opening date and the years of operations, and the purpose and construction of ponds to retain pollution. The structure of the bituminous geomembrane (BGM) is more …

Project helps open Pennsylvania freeway

Design/build pyrite remediation project using geosynthetics. By Archie Filshill Introduction The Pennsylvania DOT’s Interstate-99/S.R. 6220 project extends from the village of Bald Eagle to the Mount Nittany Expressway (U.S. 322) in Centre County, just west of State College. The project involved the construction of a four-lane, limited-access highway with four interchanges and approximately 18 miles …

Seattle Seahawks football complex features 8-layer “sandwich”

The ‘sandwich’ includes liner, grids and textiles. Compiled and edited by Ron Bygness Among the hundreds of projects judged at the national competition for the American Council of Engineering Companies (ACEC) in Washington, D.C., in April was an athletic compound in Washington state featuring several geosynthetic components. The engineering involved brownfield remediation, as well as …