Geosynthetics article wins first-place gold

February 1, 2015  |  News

IFAI titles take top honors at magazine awards ceremony By Ron Bygness A Geosynthetics magazine article featuring the management of the pond and reservoir systems at the Palo Verde Nuclear Generating Station has earned a first-place gold award for Best Technical Article from the Minnesota Magazine &…
GCL internal strength

February 1, 2015  |  Q&A: GMA Techline

Questions and answers from the GMA Techline GCL internal strength In section 6.3.4 of Designing with Geosynthetics Fifth Edition, the internal shear reinforcement for a GCL is calculated using the geogrid veneer reinforcement method. This results in an internal reinforcement strength using kN/m. Man…
Contact details

February 1, 2015  |  Q&A: GMA Techline

Questions and answers from the GMA Techline Contact details We are carrying out a landfill capping job for a solid waste site. The slope is 1:1.75 and [is currently] lined with an HDPE liner. The height of the bund is approximately 12.0m. As per clients’ direction, we are supposed to lay a 200…
Geomembrane cushioning with geocomposites

February 1, 2015  |  Q&A: GMA Techline

Geomembrane cushioning with geocomposites Geomembrane cushioning with geocomposites Questions and answers from the GMA Techline Geomembrane cushioning with geocomposites We’ve been doing work for some of our clients to try to use sub-angular crushed granite in leachate collection systems inste…
Asphalt over geomembrane?

February 1, 2015  |  Q&A: GMA Techline

Questions and answers from the GMA Techline Asphalt over geomembrane? We have a project where we want to place asphalt concrete over a 40mil-thick HDPE geomembrane. The asphalt concrete is 3in.-thick and would be the lining for a surface water ditch. On the outside of the ditch, we have a pavement s…
Mold in green roofinstallations

February 1, 2015  |  Q&A: GMA Techline

Mold in green roof installations Mold in green roof installations Questions and answers from the GMA Techline Mold in green roof installations Recently there has been a greater demand for sustainable projects in Southern California, so I was glad [to read the article in Geosynthetics magazine] &ldqu…
Landfill stats

February 1, 2015  |  Q&A: GMA Techline

Questions and answers from the GMA Techline Landfill stats How many landfills are there in the U.S.? How many of those are Subtitle D facilities? Of those, about how many have a cell that is lined each year? (Scott | USA) Scott, There are currently fewer than 2,000 active landfills in the U.S. Some …