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Choosing soil stabilization geosynthetics
April 12, 2022
…stabilize the subgrade used a nonwoven geotextile and 2–3 feet (0.6–0.9 m) of rock. But the roads quickly rutted and became unserviceable for dump trucks. Time was of the essence…
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Geosynthetics for stormwater tank encapsulation
March 31, 2022
…the pros and cons of flat bottom and arched tank types. In a typical urban setting, runoff from impervious surfaces—such as pavement and rooftops—should be managed effectively so it is…
Resilient Roads Roundtable announces innovators/influencers list
March 15, 2022
…testing alternative pavement materials that boost road resiliency. In 2021, Clemens helped lead the effort to pilot the use of rubber-modified asphalt (RMA) by installing 100 miles (161 km) of…
Geomembranes for agriculture protect environment
March 9, 2022
…farmland. Inputs can range from manure and bedding, to wash water and rainwater runoff. Geographical location, weather and local regulations dictate the length of holding time, which can range from…
AECOM ends Russia operations
March 8, 2022
…AECOM ends Russia operations after the Russian invasion of Ukraine; the move may cost the company as much as $50 million. AECOM, an infrastructure consulting firm based in…
Geosynthetics for pipe wrapping
February 1, 2022
…Below are some examples: Insulation (sound and thermal) Corrosion protection Waterproofing Impact resistance Most wraps are tapes or mastics. Polyvinyl chloride (PVC), butyl rubber and bituminous wraps are common. A…
Geosynthetics for stabilization in solar farm development
February 1, 2022
…on this project. Note the excessive rutting on the adjacent unreinforced section. Each road section constructed with this option experienced exceptional performance and minimal surface rutting, and provided a significant…
Reinforced levees to induce seepage path around geogrid layers?
February 1, 2022
…geogrids add a seepage path (adjacent to and around the geogrid layers) into the cross section, particularly in fine-grained soils (clays). GSI has tested this using flex-walled permeameters by running…
AGRU America and HK Solutions improve manhole technology using geomembranes
January 20, 2022
…AGRU America Inc. and HK Solutions Group have released Monoform PLUS, a comprehensive manhole rehabilitation product package that offers streamlined installation with minimal impact on local traffic, the companies said…
Caltrans bets on Tensar geosynthetic-reinforced chip seal for pavement
November 4, 2021
…District 9 (Bishop) for more than 22 years, John Fox has overseen thousands of miles of pavement-preservation treatments, including polymer-modified, gap-graded pavements; dense-graded pavements; asphalt rubber seals; microsurfacing; and a…