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Professor Bhatia honored at Syracuse University
April 1st, 2009
Among the five Syracuse University faculty and staff members who were recognized in February with Chancellor’s Citations for Excellence was Shobha K. Bhatia, professor of civil and environmental engineering in the L.C. Smith College of Engineering and Computer Science. Bhatia specializes in geotechnical and geosynthetic engineering. For the past 20 years, she has engaged in […]
Rebecca McWatters wins NAGS-sponsored Student Paper Competition
April 1st, 2009
Rebecca McWatters from Queen’s University in Kingston, Ontario, won the Student Paper Competition sponsored by the North American Geosynthetics Society (NAGS) at the Geosynthetics-2009 conference Feb. 25-27 in Salt Lake City. McWatters was selected as the winner from seven entries after her paper, as well her presentation of it during the conference’s technical sessions, was […]
Landfill work in India causes concern
April 1st, 2009
We [were] doing a geomembrane installation and welding job for a customer in India whose corporate slogan proudly reads, “Protecting the Future.” Immediately upon starting the work at this site, we found that this XYZ customer was interested in everything except protection of our future, although the Web site of XYZ claims the following: XYZ […]
Geocomposite drainage
April 1st, 2009
From the GMA Techline Subject: Geocomposite drainage — Canadian landfills apparently have not been allowed to use geocomposite drainage materials in lieu of 2 feet of gravel because they have to prove it will not clog for a period of up to 100 years. Have you studied this in the various geocomposites on the market […]
Technical articles on geosynthetics
April 1st, 2009
From the GMA Techline Subject: Student advice — I am a student in my final year in civil engineering. I have decided to do my final year project on geosynthetics for which I need some information. I would like to know about some of the testing methods that could be adopted to prove the characteristics […]
Study on pH and geogrids
April 1st, 2009
From the GMA Techline Subject: pH and geogrids — I read your Techline section in Geosynthetics magazine and I find it excellent. In the October/November 2008 issue, you mentioned having a study on pH and geogrids in masonry segmental units. If possible, I would like to get a copy of that. (Gabriela, Virginia) Reply: Thanks […]
Reinforcement geosynthetics
April 1st, 2009
From the GMA Techline Subject: (None) — Is there a specific geosynthetic product to aid in the support of a single-story building? The project is located in central Florida, over roughly 6ft of fill. (Rick, Ohio) Reply: You ask a common question concerning the possible foundation support of using a high strength geotextile or geogrid. […]
Comparing specs
April 1st, 2009
GMA techline answers from Bob Koerner Subject: Comparing specs — I want to know how can I compare specification values of ASTM with ISO?? I sell products tested with ASTM methods, but some clients give me an ISO specification. I want to know which product fits their requirements. (Claudia, Mexico) Reply: You ask an excellent […]
Comparing warp and fill
April 1st, 2009
From the GMA Techline Subject: Warp and fill — What do the terms warp and fill mean with regard to tear strength of a polypropylene liner? (Michael, Alaska) Reply: You ask a fair question that has a simple and difficult answer to it. The simple one is that the polypropylene membrane you are using is […]
Ageing standard
April 1st, 2009
From the GMA Techline Subject: Standard needed — I need the standard GM11. We produce geomembranes and we will do testing but I do not have the ageing standard. (Yohana, Colombia) Reply: The GRI–GM11 Test Method has now been superseded by ASTM D7238 and ours has been discontinued. Please go directly to ASTM in this […]