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Geogreen Solutions becomes ABG Installs
April 4th, 2023
ABG’s specialist geosynthetic installations business is now trading under the new name of ABG Installs. The installations company was originally established as Geogreen Solutions back in 2015, but to better reflect its position within the ABG group of companies, the new trading name will be used going forward. The company information for the installation business […]
2023 IECA annual conference recognizes global leaders
April 3rd, 2023
The International Erosion Control Association (IECA) announced global winners for its environmental excellence awards during the 2023 IECA Annual Conference and Expo in Kansas City, Mo. this past February. The IECA awards of excellence program acknowledges outstanding achievements in the erosion and sediment control and stormwater industries and is a staple event at the conference. […]
Strip or Sheet Drain Vs. French Drain
April 1st, 2023
Q: What are benefits to using “strip or sheet drain” over conventional French drain construction with soils? A: Sheet drains (prefabricated vertical drain board or drainage geocomposites) are typically used on below-grade foundations or retaining walls to drain water and eliminate hydrostatic pressure. Sheet drains create a void against the wall, allowing subsurface water to […]
Understanding Geomembrane Asperity
April 1st, 2023
Q: Twice in the past few weeks colleagues asked me the same question about geomembrane asperity, so I come to you to understand it. Manufacturers tell us not to have a requirement regarding the “minimum of 10 readings must average specified height. Eight of the readings must be >= …”, or Delete the acceptance criteria for […]
Geosynthetics for Precipitate Clogging
April 1st, 2023
Q: We are retrofitting a highway edge drain where rubberized concrete was used as the base course layer. What type of geotextile or geosynthetic should we consider for this project’s drain? A: Clogging of geotextiles, geonets, geopipe and/or geocomposites is a challenging design for certain soil types or unusual situations. This is one of them. […]
Dewatering Bags for Erosion and Sediment Control
April 1st, 2023
Q: How does a dewatering bag (Dirt Bag, sediment container, Siltsack, etc.) work on a construction site to help you with your erosion and sediment control plan? A: Temporary construction erosion and sediment control is the practice of preventing or reducing the movement of sediment from a site during construction. Soil erosion and sediment runoff […]
FHWA launches Geosynthetic Installation Notes Tracker mobile application
April 1st, 2023
The Federal Highway Administration (FHWA) Center for Local Aid Support, in a collaborative effort with the Geosynthetic Materials Association (GMA), has launched the Geosynthetics Installation Notes Tracker mobile application. The mobile app provides handheld, quick and easy access to information on the various types and functions of geosynthetic materials for use in road construction and […]
Motorway underpass using geomembranes as a groundwater barrier
April 1st, 2023
FIGURE 1 Overhead view of geomembrane being pulled across the water surface In some places in the Netherlands, there is an absence of natural clay so groundwater flushes easily through the soil. As soon as excavation starts, groundwater will be present. Groundwater must be removed or taken care of to build roads, tunnels, etc. in […]
GCL and geosynthetic membrane installation for mining site
April 1st, 2023
Nestled in the Midas Trench lineament on the northwest side of the Humboldt Range, numerous mines take full advantage of their proximity to the basin and ridge frontal faults that serve as conduits for gold-bearing hydrothermal fluids. In 2020, CETCO was contacted by a mine in this region to assist with its heap leach pad […]
GMA moves forward
April 1st, 2023
Over the past decade the Geosynthetic Materials Association (GMA) has grown by leaps and bounds, establishing itself as a leading geosynthetics organization in the areas of education, technical support and government relations. GMA’s membership has nearly doubled since 2005; GMA-supported educational conferences have attracted more than 25,000 attendees; and GMA’s lobbying efforts have reached 24 […]