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Geogrid reinforced soil structures reach new heights
June 1st, 2019
By Sachin Mandavkar and Mehari Weldu FIGURE 1 U.S. Route 460 RSS during construction Reinforced soil structures are geotechnical systems consisting of reinforcing elements and primarily include mechanically stabilized earth (MSE) walls and reinforced soil slopes (RSS) (Figure 1). MSE walls and RSS are constructed by placing alternating layers of reinforcement and compacted soil behind […]
Geosynthetics for reinforcement and stabilization
June 1st, 2019
Geosynthetics are widely used for reinforcement and stabilization, particularly in transportation-related applications, including base stabilization, reinforced soil slopes (RSS) and mechanically stabilized earth (MSE) walls. This issue of Geosynthetics considers many such applications from multiple viewpoints. Sachin Mandavkar and Mehari Weldu look at very tall MSE walls and RSS through several case studies in “Geogrid […]
Streambank restoration using engineered bank stabilization
June 1st, 2019
By Jeffery T. Hoilman and Stanley M. Miller FIGURE 1 Mountain Creek streambank restoration—September 2018. View looking upstream nine months after installation. Mountain Creek flows through the community of Red Bank near Chattanooga, Tenn., to the Tennessee River. Mountain Creek has been identified by the Tennessee Department of Environment and Conservation (TDEC 2018) as a […]
Using geosynthetics in flexible airport pavements
June 1st, 2019
By Benjamin Mahaffay, Jeremy Robinson, Jeffrey Gagnon and Gregory Norwood FIGURE 1 Post-test excavated cross section In recent years, there has been an increasing interest to improve pavement structures through mechanical stabilization by incorporating geosynthetic products within the structure. The Geosynthetic Materials Association (GMA) has identified eight categories of commercially available geosynthetics: geotextiles, geogrids, geonets, […]
2018 International Achievement Awards
February 1st, 2019
Recognizing design excellence in geosynthetics The International Achievement Awards, sponsored by the Industrial Fabrics Association International (IFAI), recognize innovation, technical skill and design excellence in geosynthetic applications. The awards are an annual competition promoting awareness of the specialty fabrics used in thousands of products and applications ranging in size and shape. For more than 70 […]
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 […]
GMA/IGS-NA to present webinar on geosynthetic-stabilized roads
November 2nd, 2018
The Geosynthetic Materials Association (GMA) and IGS North America (IGS-NA) will sponsor a free webinar entitled “Recent Developments in Geosynthetic-Stabilized Roads: Introduction and Mechanisms,” on Dec. 4, from 1 to 2 p.m. EST. Geotextiles, geogrids and geocells have been used widely in roadway stabilization works throughout the world. In this webinar, Dr. Jie Han will […]
FHWA video features GRS–IBS history and construction techniques
October 5th, 2018
A Federal Highway Administration (FHWA) YouTube video showcases the history and construction techniques of the geosynthetic reinforced soil–integrated bridge system (GRS–IBS). The video illustrates how to build a GRS–IBS. It is intended to educate designers, engineers, contractors and inspectors on the fundamentals of the GRS–IBS. The video follows the GRS–IBS Interim Implementation Guide (FHWA-HRT-11-026). The […]
BOSTD America geogrid plant up and running in Oklahoma
September 28th, 2018
BOSTD America’s new geogrid manufacturing plant is operational at the company’s American headquarters in Blackwell, Okla. The BOSTD Group, based in Europe, includes BOSTD International, BOSTD Geosynthetics and BOSTD America. It is a manufacturer of high-quality geogrids produced on a continuous-production line, as well as drainage nets and composites, geocomposites, asphalt reinforcement material and geocells […]
HUESKER offers free webinar on high-strength soil reinforcement
October 30th, 2017
HUESKER is presenting a free webinar on high-strength soil reinforcement applications on Nov. 2, 2017, at 1:30 p.m. EDT. The webinar will be hosted by HUESKER Engineering Department head Lilma Schimmel, M.S.C.E., P.E. Geosynthetics have many functions, reinforcement being one of them. While some situations may require low-strength capacity as road base reinforcement, short walls […]