April 2009 Issue

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  Landfill work in India causes concern

  We [were] doing a geomembrane installation and welding job for a customer in India whose corporate slogan proudly reads, “Protecting the Future.”

• 'Craig's List' for geosynthetics

  A Web site described as an “overstock.com” or “craigslist” for the geosynthetics industry has been launched.

• ASDSO seeking award nominees

  The Association of State Dam Safety Officials (ASDSO) is on the lookout for nominees for two awards.

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  Geosynthetics 2009 conference is a big hit

  The Geosynthetics 2009 conference and trade show Feb. 25–27 in Salt Lake City was another hit in a series of geosynthetics conferences presented by the Industrial Fabrics Association International (IFAI).

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  Giroud elected to National Academy of Engineering

  Jean-Pierre Giroud has been elected to the National Academy of Engineering (NAE), one of the highest professional distinctions given to an engineer.

• New software from Strata and Profile

  Strata Systems Inc. has announced an upgrade to its advanced interactive computer software program and Profile Products LLC has launched a new Web-based program.

• Professor Bhatia honored at Syracuse University

  Among the five Syracuse University faculty and staff members who were recognized in February with Chancellor’s Citations for Excellence was Shobha K. Bhatia.

• Rep. Rahall: coal-ash dams are a 'ticking time bomb'

  The chair of the U.S. House Natural Resources Committee has called for new legislation.

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  Commentary on Wikipedia®

  While recently researching various additives used with soil-filled geotextile tubes, I was unsure about subtle differences between flocculation, coagulation, and agglomeration.

• GSI calls for requests-for-proposals

  The Geosynthetic Institute (GSI) has announced a worldwide call for requests-for-proposals (RFPs) focusing on innovative geosynthetics research and development projects.

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  Rebecca McWatters wins NAGS-sponsored Student Paper Competition

  Rebecca McWatters from Queen’s University in Kingston, Ontario, won the Student Paper Competition sponsored by NAGS at the Geosynthetics-2009 conference Feb. 25-27 in Salt Lake City.

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  Geotextiles in levees (Part 1 of 2)

  History, performance, and design of geotextiles in levees: A report from New Orleans.

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  Project helps open Pennsylvania freeway

  Design/build pyrite remediation project using geosynthetics from the village of Bald Eagle to the Mount Nittany Expressway (U.S. 322) in Centre County, just west of State College.

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  Seattle Seahawks football complex features 8-layer "sandwich"

  The ‘sandwich’ includes liner, grids and textiles on an ecologically sensitive site on the southeast shores of Lake Washington in Renton, Wash.

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  Finland mine features bituminous geomembrane liner

  The liner is at the Kittilä Gold Mine in northern Finland.

• Geocomposite drainage

  Back in 1985, the state of Pennsylvania felt uneasy about geonets so we did a full-scale experiment on a landfill cell measuring about 400m by 50m.

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  Geotextiles in levees (Part 1 of 2)

  History, performance, and design of geotextiles in levees: A report from New Orleans.

• Reinforcement geosynthetics

  Using such a geosynthetic material over the entire footprint of a building will simply not cure a uniformly weak subgrade soil.

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  Project helps open Pennsylvania freeway

  Design/build pyrite remediation project using geosynthetics from the village of Bald Eagle to the Mount Nittany Expressway (U.S. 322) in Centre County, just west of State College.

• 

  Finland mine features bituminous geomembrane liner

  The liner is at the Kittilä Gold Mine in northern Finland.

• 

  Seattle Seahawks football complex features 8-layer "sandwich"

  The ‘sandwich’ includes liner, grids and textiles on an ecologically sensitive site on the southeast shores of Lake Washington in Renton, Wash.

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• Ageing standard

  The GRI–GM11 Test Method has now been superseded by ASTM D7238 and ours has been discontinued.

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  Cohesion (or adhesion) and friction angle in direct shear tests

  A technical note regarding interpretation of cohesion (or adhesion) and friction angle in direct shear tests.

• Comparing specs

  The two groups, ASTM and ISO, act independently from one another although ASTM does have liaison people attending the ISO meetings as observers.

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• Ageing standard

  The GRI–GM11 Test Method has now been superseded by ASTM D7238 and ours has been discontinued.

• Comparing specs

  The two groups, ASTM and ISO, act independently from one another although ASTM does have liaison people attending the ISO meetings as observers.

• Comparing warp and fill

  Defining the terms warp and fill mean with regard to tear strength of a polypropylene liner.

• Geocomposite drainage

  Back in 1985, the state of Pennsylvania felt uneasy about geonets so we did a full-scale experiment on a landfill cell measuring about 400m by 50m.

• Reinforcement geosynthetics

  Using such a geosynthetic material over the entire footprint of a building will simply not cure a uniformly weak subgrade soil.

• Study on pH and geogrids

  Getting a copy of the study.

• Technical articles on geosynthetics

  There are probably 30,000 technical articles on geosynthetics at the current time.

• Testing seams

  The methods are either hot-wedge or extrusion-fillet.

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  Cohesion (or adhesion) and friction angle in direct shear tests

  A technical note regarding interpretation of cohesion (or adhesion) and friction angle in direct shear tests.

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