Coming: 3rd edition of SRW design manual

April 1, 2007  |  News

The National Concrete Masonry Association (NCMA) Design Manual Task Group for Segmental Retaining Walls (SRW) has decided to create a third edition of its manual, which combines the SRW Drainage Design’s second edition and the Seismic Design manuals into one complete text. The task force will re-e…
GRI-20 conference: A retrospective

April 1, 2007  |  News

All previous GRI conferences have focused on either a single or double theme. As such, they are meant to be a tutorial on: advancing an established area in geosynthetics trying to make inroads into a new and/or emerging area GRI-20 was of the latter type and it is clearly the more difficult. This is…
Geosynthetics and the government marketplace

April 1, 2007  |  News

A report commissioned by the Geosynthetic Materials Assciation has opened up a government relations program and the first organized lobbying effort for the geosynthetics industry. By Andrew Aho Introduction In January 2006, the Geosynthetic Materials Association (GMA), contracted with a lobbying fir…
Commentary RE #1: article on structured geomembranes

April 1, 2007  |  News

To the editor: The February/March 2007 issue of Geosynthetics contains an article on the use of structured geomembranes in landfill final closure designs. The article contains many positive statements regarding polyethylene geomembranes with structured surfaces that are manufactured by the flat-die …
Commentary RE #2: article on structured geomembranes

April 1, 2007  |  News

It takes an “interesting” article (“Using structured geomembranes in final solid-waste landfill closure designs,”) to generate a dozen pained e-mail comments to me even before I received my February/March copy of Geosynthetics! This topic had its beginnings in a paper I had r…
Further clarifications on GRS construction

April 1, 2007  |  News

To the editor: Thank you for your response to my concern about a photo in Geosynthetics magazine, February-March 2007. While including a photo of the Bowman Road Bridge in the article, “Junction strength requirement for roadway design construction” was done [solely] for aesthetic purpose…
A conservative junction-strength requirement

April 1, 2007  |  News

To the editor: Thank you for the article “Junction-strength requirements for roadway design, construction” (Geosynthetics, February/March, 2007), defining and categorizing the use of junction strength as a specifying property for geogrid reinforcements. The excellent summary of performan…
Geosynthetics-2007 is a hit in D.C.

April 1, 2007  |  News

After more than 1,000 participants and 76 exhibits, more than 60 papers and presentations, 9 short courses, 4 special sessions, 3 keynotes, and 2 panels—after all that in just 4 days, the Geosynthetics-2007 Conference and Trade Show came to a close in Washington, D.C. The Jan. 16-19 event mark…
IECA rolls into Reno

April 1, 2007  |  News

Environmental Connection—EC-’07—filled the halls of the Reno-Sparks Convention Center Feb. 12-16. The event featured full-day training courses addressing topics such as wind erosion, construction site management, and NPDES regulations and compliance. PHDs and CEUs were available fo…
Geosynthetics sessions packed at GeoDenver

April 1, 2007  |  News

Nearly 70 eager attendees crowded into each of the three technical sessions on geosynthetics held during the annual Congress of the Geo-Institute of ASCE at the Adams Mark Hotel in Denver Feb. 18-21. Two of the sessions focussed on “Deficiencies of Current Design Methods and Construction Guide…