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Presto Geosystems to host webcast on GEOWEB 3D Soil Confinement
February 5th, 2020
Presto Geosystems will sponsor a webcast, “Repair and Prevent Slope Erosion with GEOWEB 3D Soil Confinement,” on Feb. 18, at 11 a.m. CST. Earthen slopes are naturally susceptible to erosion due to gravity, water and surcharge loads. Slope failure can lead to unsightly conditions, landscape and property damage, stormwater issues and costly repairs. The GEOWEB Slope […]
E² launches new website for coated fabric solutions
February 4th, 2020
Since officially launching the joint venture of EPT and Erez in 2019, the company has now announced the launch of the new E² website, with features and functions that highlight innovative products and recommended applications. With this new technological tool, customers and industry partners will find: • Product series and data sheets, including EPT's […]
The GMA Techline is 15 years old
February 1st, 2020
By Robert M. Koerner The GMA Techline was initiated on Sept. 1, 2004, as a free worldwide answer center for questions involving any, or all, aspects of geosynthetics. There were no constraints put on the questioners, or on the answers that were provided by the Geosynthetic Institute (GSI). To date, 3,500 Q and As have […]
The GMA Techline
February 1st, 2020
Moderated by George R. Koerner and Y. “Grace” Hsuan DARCIAN PERMEABILITY Q: I am aware of the section in your book regarding geomembrane “permeability” and get from it that it aims to calculate an equivalent Darcian permeability using vapor diffusion via Fick’s law. Can one use the derived permeability then when calculating flow using Darcy’s […]
U.S. Bank Stadium geosynthetic reinforced stress relief wall
February 1st, 2020
Design, construction and fire damage mitigation By Nathan M. Lichty, Stephan M. Gale and Timothy P. Bendell Demolition of the Hubert H. Humphrey Metrodome stadium in Minneapolis, Minn., occurred in 2014 and subsequent construction of U.S. Bank Stadium (Figure 1), the home of the Minnesota Vikings and host of the 2018 Super Bowl, occurred between […]
Erosion control using concrete-enhanced synthetic turf
February 1st, 2020
By Bradford H. Cooley and Bryan Scholl Concrete-enhanced synthetic turf (CEST) is a hardened revetment system best described as a fiber-reinforced, flexible concrete liner. It consists of a high-friction, impermeable geomembrane layer overlain by an engineered synthetic turf, which is infilled with a 5,000 psi (3.45 × 107 Pa) high-strength cementitious mix. The turf fibers […]
A dedicated man
February 1st, 2020
Erosion control and reinforcement are two applications that geosynthetics are used for. Distantly related, the two applications form the backbone of this publication. But looming large over this issue is the passing of Robert M. “Bob” Koerner and Pauline “Paula” W. Koerner, a couple who had a huge influence over the founding and development of […]
Premier Product Preview offers first look at new products and services
February 1st, 2020
Here’s your first look at some of the new products and services that will be on the show floor at the Geosynthetics Conference 2020: CASE STUDIES in North Charleston, S.C., March 8–10. The 2020 show floor will bring together exhibitors covering the gamut of geosynthetic products and services, from geomembranes to electrical leak location testing, […]
IGS-NA news: Educate the Educators 2019 a success
February 1st, 2020
By John McCartney The North American Chapter of the International Geosynthetics Society (IGS-NA) held another successful Educate the Educators (EtE) event at the University of California in San Diego (La Jolla), Dec. 9–10, 2019. EtE is designed to provide specialized, hands-on training and lecture materials to equip university instructors to offer effective geosynthetics content as […]
Geosynthetics Conference watch: Charleston is calling
February 1st, 2020
By Barbara J. Connett Participants at the Geosynthetics Conference 2019. Photograph by Mark Skalny/Mark Skalny Corporate Photography We can’t wait to welcome you to Geosynthetics Conference 2020: CASE STUDIES. This is a great time to make final plans for what sessions you are going to attend, which exhibitors you are going to visit as well […]