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Bentonite mats allow fish to migrate
August 1st, 2021
The geosynthetic-based fish ladder (left) at the Schwabentorwehr in Freiburg im Breisgau, Germany. Photograph courtesy of NAUE GMBH & Co. KG The Schwabentorwehr (Swabian Gate Weir) in Freiburg im Breisgau, Germany, was in disrepair and insurmountable for fish. With the help of bentonite mats, the fish now have a free run again. The historic Schwabentorwehr […]
Solmax pit thermal energy storage with geosynthetics on the Tibetan Plateau
July 19th, 2021
Photograph courtesy of Solmax Tibet has an average elevation of more than 13,100 feet (4,000 m), reaching to 16,400 feet (5,000 m). At these heights, temperatures can remain below freezing all day in winter, plunging to –4°F (–20 °C). In 2018, Tibet’s first large solar thermal district heating system was designed and built at 15,000 […]
ABG Geosynthetics joins the BontexGeo Group
May 10th, 2021
U.K.-based ABG Ltd., a market leader in the design, development, manufacture and technical support of high-performance geosynthetic systems for use in a wide range of civil engineering, environmental and sustainable building projects, is announced it is joining the BontexGeo Group. BontexGeo is a European industry leader in the production and sale of geotextiles for civil […]
Solmax launches online Geosynthetic Drainage Tool for design engineers
October 16th, 2020
Geosynthetics play a vital role in the containment of solid and liquid waste in landfills, mining, energy, construction, and oil and gas applications. To help design engineers accurately specify the materials needed, Solmax has launched an online resource for engineers–its Geosynthetic Drainage Tool. Geosynthetics are used to contain, drain and protect, but specifications will be […]
Crafco acquires Telfer Pavement Technologies’ Anderson, Calif., operations
April 16th, 2019
Crafco announced it has acquired Telfer Pavement Technologies’ (TPT) Anderson, Calif., operations. The move augments Crafco’s pavement preservation lineup while bolstering its presence across the West Coast, the company said in a prepared statement. Through the addition, Crafco will offer an array of paving fabrics, shade cloths, geogrids, gabions and erosion-control materials. It will also […]
FGI to host webinar on interface shear testing for geocomposites
April 4th, 2019
The Fabricated Geomembrane Institute (FGI) will sponsor a webinar, “Multi-Layer Interface Shear Testing” on April 9, from noon to 1 p.m. CDT. This webinar will discuss multi-layer interface shear testing for composite liner systems including the pros and cons of multi-layer interface testing compared to single-layer interface testing and best-practices for performing multi-layer interface tests. Finally, […]
Geosynthetics Conference 2019 roundtable focuses on geocomposite peel testing
March 6th, 2019
On February 12 during the Geosynthetics Conference 2019 in Houston, Texas, a roundtable discussion was held regarding geocomposite peel testing and a potential new approach for testing of this index property. The session was moderated by Richard Thiel and included approximately 65 attendees. The lively discussion focused on the previously unrecognized high variability of the […]
Reviving the Palos Verdes Reservoir, Part 3
February 1st, 2019
California’s water infrastructure is one of the most challenged systems in the United States due to the large population it supports, the age of much of the water infrastructure, and the diverse environments—mountains, coastlines, old-growth forests, deserts—found in the state. The water infrastructure is also one of the country’s most advanced systems, in part due […]
Geocomposite groundwater drainage system for bluff erosion protection
February 1st, 2019
The project presented herein was designed to enhance an existing groundwater drainage system and repair erosion related to groundwater seepage on a berm constructed using coal combustion residuals (CCR) on top of a Lake Michigan bluff at a site in southeastern Wisconsin. This article presents the planning, design and implementation of the remedy. The planning […]
The magic of water and geosynthetics
February 1st, 2019
Water is a fundamental issue in many projects using geosynthetics. From erosion control to reservoir liners and covers, from landfill leachate pond barriers to coal ash dewatering, handling water and the effects of water are considerations nearly every engineer employing geosynthetics considers. Geosynthetics can effectively manage water applications of erosion control, reinforcement, barriers, filtration and […]