The GMA Techline answers all

August 1st, 2018

UV Weathering of Geotextiles Q: My firm is providing construction quality assurance services for a landfill cell expansion. We are having an issue with our contractor and are going to be in a position of having 8 ounces/square yard (271 g/m2) of nonwoven geotextile exposed for a period of time, which exceeds the seven-day limit […]

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Cirtex video spotlights geotextiles in coastline protection

June 21st, 2018

Cirtex, in Kopu, Thames, New Zealand, released a video on June 19, 2018, that showcases geotextiles used for filtration and erosion protection in coastline seawalls. Narrated by Cirtex civil and geotechnical engineer Michael Sorensen, the three-minute video takes the camera down below the boulders in seawalls to examine both properly specified geotextiles and improperly specified […]

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Marine mattress installation continues on Elliott Bay seawall project

November 30th, 2015

At the ongoing construction of the new Elliott Bay seawall in Seattle, marine mattresses are installed in front of the new face panels to create a shallow water corridor for migrating fish. Marine mattresses are rock-filled containers generally constructed with UV-stabilized co-polymer geogrid materials. Geogrid panels are laced together to form mattress-shaped baskets that are […]

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