A geosynthetic wrap-face vegetated wall system

October 1st, 2020

For highway embankment construction  By Stanley M. Miller and Drew Loizeaux A recent creek enhancement project to facilitate the passage of bull trout in Pend Oreille County of northeastern Washington state required removal of a 6-foot (1.8-m) diameter concrete culvert (Figure 1), realignment of a well-traveled county road and a new 58-foot (17.7-m) span bridge. […]

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GWFV walls and slopes

October 1st, 2017

New patented technology is available to construct geosynthetic wrap-face vegetated (GWFV) retaining walls and reinforced soil slopes using a pyramidal-woven, high-performance turf reinforcement mat (HPTRM) in conjunction with fiber-composite internal braces. This wrap-face system eliminates the need for temporary external bracing (formwork) or for facing elements comprised of metallic wire-frame units, which traditionally have served […]

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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 […]

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