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Saint-Gobain name change
June 16th, 2011
Saint-Gobain Technical Fabrics is now Saint-Gobain Adfors. In a June 15 press release, the Grand Island, N.Y.-based company announced that it created the Adfors brand with the aid of an agency that specializes in developing global brand names. The name is based on two roots: “ad” (to add, to join, to combine) and “fors” (force, […]
New geomembrane for cracked reservoir
June 15th, 2011
Replacing a geomembrane layer is part of a $163 million repair and expansion job for Tampa Bay Water’s (TBW) cracked reservoir. The Kiewit Infrastructure Group’s proposal aims to repair and expand the utility’s six-year-old, 15.5-billion-gallon facility. Kiewit estimates repairs at about $121 million. The contractor’s plan will remove and reclaim the reservoir’s existing flat-plate soil […]
Geosynthetic Reinforcement: A Short Course
June 14th, 2011
A short course on geosynthetic reinforcement is offered by the Geosynthetic Materials Association (GMA) and the North American Geosynthetics Society Aug. 11–12 in Valley Forge, Pa. Course description This 1.5-day course provides training on the appropriate, cost-effective utilization of geosynthetics in transportation applications. The course examines the use of geotextiles and geogrids for soil reinforcement. […]
Geotextile–drainage grid combo earns praise
June 10th, 2011
A new research report cites geotextiles in conjunction with a drainage grid surpass traditional gravel drainage for irrigation, water use, turf health Research was recently completed at Texas A&M University to analyze the widely accepted United States Golf Association (USGA) recommendations for physical properties of root zone mixtures when designing a putting green using a […]
Sustainability series launched by Geosynthetics magazine
June 6th, 2011
Starting with its June/July 2011 issue, Geosynthetics takes an in-depth look at how geosynthetic materials enhance sustainability in myriad applications. The magazine will feature one or two sustainability feature articles in each bimonthly issue. The inaugural article is introductory in nature and is written from a European viewpoint—“Sustainable development using geosynthetics: European perspectives.” The authors […]
TRI selected for Geosynthetic Institute’s accreditation program
June 2nd, 2011
Texas-based testing firm TRI Environmental has been selected as the official support laboratory for the Geosynthetic Accreditation Institute–Laboratory Accreditation Program (GAI–LAP), according to a June 1 press release from the company. George Koerner, director designate of the Geosynthetic Institute (GSI), confirmed that GSI’s board of directors had approved TRI as the official support laboratory for […]
Student competition rocks at Geo-Frontiers 2011
June 1st, 2011
Photos by Mark Skalny Photography With a lively opening night crowd lining the roped-off competition area and an M.C.Hammer soundtrack blaring in the background, engineering students representing schools from across the country participated in the annual GeoCompetition at Geo-Frontiers in Dallas March 14. See the full article here.
Liner system
June 1st, 2011
GMA techline answers from Bob Koerner RE: Liner system I’m working on a project that will have a liner system as follows (from top to bottom): 12in. min.—chipped tires 3ft min.—recompacted mancos shale (max hydraulic conductivity 1x10-7cm/sec) Prepared subgrade Are there any internal friction angle results for either the tires or the shale? (No site […]
Accelerated flow testing of geosynthetic drains
June 1st, 2011
By Sam Allen Introduction Most planar geosynthetic drains consist of a polymeric core with or without a geotextile bonded to one or both sides. The core, whether used by itself or in association with a geotextile, forms the main fluid transmission medium. Synthetic cores used in North America typically take the form of geonets that, […]
A Lake Tahoe bluff-restoration story
June 1st, 2011
From eroded to elegant By James Chinchiolo Introduction This project took place on a scenic high-banked lakefront property in Rubicon, Calif., with a 60-ft-high unstable and badly eroded shoreline bluff facing (Photo 1, below). The site was originally owned by Scottish immigrant and journalist B.C. Forbes (founder of Forbes magazine), and it is now owned […]