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Massive mining evaporation ponds constructed in Chilean desert
February 1, 2007
…The Salar de Atacama in Chile is the site of the largest PVC geomembrane installation in the world—more than 16 million m2 utilized in mining operations since 1996….
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Junction-strength requirements for roadway design, construction
February 1, 2007
…GRI-GG2 are reported in the literature. Based on a literature review of 19 geogrid studies involving installation survivability, the Geosynthetic Materials Association (GMA) recommends a minimum junction value of only…
New officers for ASCE
February 1, 2007
…The American Society of Civil Engineers (ASCE) installed newly elected officers to its board last October. The new board representatives include: William F. Marcuson III, Ph.D., P.E., Hon.M.ASCE,…
IAGI’s Approved Installation Contractor information online
October 1, 2006
…The International Association of Geosynthetic Installers (IAGI) announced the application availability for its new Approved Installation Contractor (AIC) program. Installation companies interested in applying for what will become…
San Diego Bay gets an underwater facelift
October 1, 2006
…disposal of 30,000 yds.3 of benzene-contaminated soil associated with a manufactured gas waste impoundment (completed July 2003). Site preparation, geotextile installation Prior to installation of the geotextile layer on the…
Geocomposite capillary barrier drain (GCBD) for limiting moisture changes in pavements
October 1, 2006
…and documentation of GCBD prototype assembly, field installation and performance, and the development of the capability to incorporate the GCBD in subsequent designs. GCBD: Geocomposite Capillary Barrier Drain The geocomposite…
Geopipe (aka ‘buried plastic pipe’)
August 1, 2006
…removal equations; McEnroe or Giroud methods Distribution within pipes; CTI model </ul Deflection analyses: Burial Installation Service Buckling considerations Wall crush considerations Thermal effects with respect to time Connection/Perforation/Joining/Manhole and…
Geosynthetics: Update from Korea
June 1, 2006
…relating to Korean geosynthetics (raw materials, manufacturing processes, testing and evaluation, design and installation, etc.) come mainly from the United States, Europe, and Japan. In this manuscript, I would like…
Shoreline restored with geotextile tubes as submerged breakwaters
June 1, 2006
…was to generate a balanced beach profile integrated to natural littoral dynamics. By September 2005, 4km of geotextile tubes were installed. Initial situation The case discussed in this paper refers…
TRM triumphs in California water-harvesting project
June 1, 2006
…grass and flower mix, and then the TRM installation commenced. After approximately 20,000 yd.2 of installation, the record-breaking storms of December 2004/January 2005 sloshed Southern California. The weather would momentarily…