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WisDOT issues geosynthetics standards for roadways
January 18th, 2018
In December 2017, the Wisconsin Department of Transportation (WisDOT) released new standards for geosynthetics in roadways, part of WisDOT’s comprehensive Highway Construction Roadway Standards. The new standards include geotextiles for subgrade separation and stabilization, drainage, filtration, subgrade reinforcement, and under culverts and riprap, as well as geogrids for subgrade, marsh and slope stability reinforcement. To […]
GSI offers webinar on sand drains, wick drains and geotextile sand columns
August 1st, 2017
The Geosynthetic Institute (GSI) will offer a webinar on “Sand Drains-to-Wick Drains-to-Sand Columns,” on August 9, 2017, from 11:30 a.m. to 1 p.m. EDT. This webinar will begin with Terzaghi’s work (extended by Barron) leading directly to consolidation of saturated soils using the technique of sand drains. It then describes a case history failure resulting […]
GMA Techline
August 1st, 2017
Liner repair? Pullout tests? Sewn seams? Shear strength of sludges? Geomembrane liner repair Q: I have a facility that has submitted liner repair documentation for the repair of a high-density polyethylene (HDPE) liner for a leachate/stormwater pond at an industrial landfill site. The repairs were performed using either a patch or, for indentations and small […]
Panorama: California passes law to spend $52.4 billion on infrastructure, and EPA’s hydrologic evaluation of landfill performance (HELP) model
August 1st, 2017
California passes law to spend $52.4 billion on infrastructure Gov. Edmund G. Brown Jr. signed a package of legislation to improve transportation and create jobs in communities across California. “Safe and smooth roads make California a better place to live and strengthen our economy,” said Gov. Brown. “This legislation will put thousands of people to […]
GSE adds manufacturing capacity with new geonet and geocomposite line
August 26th, 2016
A press release issued this week by Houston-based GSE Environmental announced that in response to high demand for innovative drainage products, it is constructing a new manufacturing line in the company’s Kingstree, S.C. facility. The release said that the new line will be capable of producing GSE’s full complement of biplanar and triplanar geonet and […]