IGS Releases 5th Edition of Its Geosynthetics Specification Guide

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The International Geosynthetics Society is dedicated to promoting the awareness and proper utilization of geosynthetic technologies in infrastructure. In support of its mission and backed by its 4000+ global membership from the geotechnical engineering field, the IGS has released its Guide to the Specification of Geosynthetics 2018. This specification guide, available to all as a free PDF download... »

GAP 2019 Connects Pavement, Railway, and Airfield Engineers

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The inaugural Geo-Structural Aspects of Pavements, Airfields, and Railways Conference (GAP 2019) will be held 4 – 7 November 2019 in Colorado Springs, Colorado. The event, managed by Minerva (publisher of Geosynthetica), is being developed in partnership with the Federal Highway Administration, Federal Aviation Administration, Federal Railroad Administration, and the U.S. Army Engineer Research an... »

Reflections on the IGS Technical Committee Workshops in Munich

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Dr. George Koerner, Director of the Geosynthetic Institute, published a very nice report from the International Geosynthetics Society’s IGS Technical Committee Workshops. The gathering, which included workshops organized by the IGS Technical Committees on Soil Reinforcement (TC-R) and the IGS Technical Committee on Barriers (TC-B) was held in June. We reprint here by permission George Koerner’s re... »

Reinforcing Megastructure Foundations with Geosynthetics

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The 74m-high reinforced soil structure at the Sikkim Airport (India) is one of the largest geosynthic megastructure projects in the world.  The 50m-high reinforced, vegetated wall at the Shennongjia Airport in Hubei Province (China) is another. Both projects have been engineered with Maccaferri soil reinforcement solutions. MAKING MEGASTRUCTURE DESIGNS POSSIBLE High-performance geogrids reinforce ... »

Geotextile Tubes, Geotextile Filters: Two Webinars from GSI

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The Geosynthetic Institute’s GSI Webinar series provided high-level education and resources on all geosynthetic applications and materials. The next offerings will focus on geotextiles. Specifically, geotextile tubes and geotextile filters. June 13, 11:30 am – 1:00 pm (EDT): Applications and Design of Geotextile Tubes July 11, 11:30 am – 1:00 pm (EDT): Geotextile Filters: Concerns and Issues Each ... »

Four Australia Landfill Design Seminars Headline August Opportunities

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Global Synthetics is partnering with NAUE Geosynthetics (Germany and Malaysia) and Skaps (USA) to offer a series of four landfill seminars across Australia in August. The event, Advances in Landfill Design and Specification Using Geosynthetics, will feature international experts and state-of-practice insight into the latest technology in landfill and containment structures. Also of emphasis will b... »

Sergei Terzaghi to Present Geohazard Analysis Webinar for AGHP

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The Association of Geohazard Professionals has announced its next AGHP webinar: “Geohazard Analysis: Past, Current, and Future.” The session will be led by renowned geotechnical engineer Sergei Terzaghi, the Americas Geotechnical Leader for Arup. The webinar will be held May 31 from 2:00 – 3:00 EDT. Cost: USD $25 for AGHP Members; $150 for non-members. REGISTER ONLINE Learn more ... »

REMINDER: Register Now for IGS June Workshops in Munich

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The International Geosynthetics Society has two exceptional, standalone events being held back-to-back in Munich. The June workshops kick off with the 1st GeoReinforcement Workshop, June 4 – 5. Then, on June 6 – 7, the 1st GeoBarrier Workshop takes place. Each of the June workshops has a separate registration, but both registrations may be made at the events’ shared online regist... »

Soil Mechanics Video Series with Prof. John Burland

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What is soil mechanics? That is the question that launches a series of short videos featuring the renowned geotechnical engineer Prof. John Burland (Imperial College). His accomplishments over a career spanning 50+ years—accomplishments which have included helping stabilize the Leaning Tower of Pisa—led the International Society of Soil Mechanics and Geotechnical Engineering to establish a geo-eng... »

Geo-Congress 2019 Seeks Case Studies, Heads to US Northeast

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The ASCE Geo-Institute’s long-running Geo-Congress conference is one of the most important annual gatherings in the United States on geotechnical engineering. With the announcement of Geo-Congress 2019, the Geo-Institute notes that the event, incredibly, has never been held in the Northeast. The 2019 edition will change that in bringing the event to Philadelphia. Conference theme: Case Studies Geo... »

REMINDER: Pond Liner System Design and Operation Webinar, January 30

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DON’T MISS THIS WEBINAR OPPORTUNITY! Though pond lining applications are common, the proper design and operation of a pond liner system requires great care. A large number of facilities in need of liquid containment are sensitive sites at which pond leakage could result in heavy repair costs, operational shutdowns, and environmental damage. The North American Chapter of the International Geo... »

Alexiew Announces Geotechnical and Geosynthetic Engineering Consultancy

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Dr. Dimiter Alexiew has made his name with more than 30 years of experience in developing advanced geotechnical systems. Now, he announces the formation of Alexiew Geoconsulting, an independent Geosynthetics & Geotechnical Engineering Consultancy. With his new practice. Dr. Alexiew offers a wide range of services to support consultants, contractors, and producers. DIMITER ALEXIEW AS A CONSULTA... »

WEBINAR: Pond Liner System Design and Operation

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Though pond lining applications are common, the proper design and operation of a pond liner system requires great care. A large number of facilities in need of liquid containment are sensitive sites at which pond leakage could result in heavy repair costs, operational shutdowns, and environmental damage. The North American Chapter of the International Geosynthetics Society (IGS North America) has ... »

Geosynthetica’s 2017 Top 10 Stories

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Each year we look back at the most-popular reads on Geosynthetica to gauge trends in the field and international reader interests. It also provides us another piece to add to the geosynthetics industry’s historical record. While we find a diverse range of topics in our 2017 Top 10 (most-read) stories, we also find key connections between them. Notably, articles on MSE reinforcement design and indu... »

GIGSA Bursary Applications Due November 1

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The Geosynthetics Interest Group of South Africa (GIGSA)—a chapter of the International Geosynthetics Society—has a strong history of supporting educational endeavors. The chapter’s support comes in the way of technical lectures, publications, event participation, and a regular GIGSA Bursary. The next deadline for applications for the GIGSA Bursary is 1 November 2017. Geosynthetica encourages its ... »

Ashley MacMillan Joins TenCate as an Engineering Business Manager

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TenCate Geosynthetics has announced the addition of Ashley MacMillan, PE as Engineering Business Manager – Northwest (United States). MacMillan is a 7-year veteran with a strong background in geotechnical applications. Among the skills she brings to TenCate is the ability to serve as a mechanically stabilized earth structures expert. MacMillan has been active in her career with the American Societ... »

Enhanced Wicking Geotextile Emerges from an Engineering Challenge

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The Alaska Department of Transportation brought a specific engineering challenge to TenCate Geosynthetics: the need to enhance lateral drainage from roadway subgrades to minimize frost boils. The company came back not only with a design solution but a very unique geotextile, one which is now finding many different applications. Mark Sikkema of TenCate Geosynthetics discusses the development and us... »

EuroGeo Transcript: Geomembrane Wrinkles, Bridging, Ballasting, Parts 3 – 5

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During EuroGeo 6, Dr. Ian D. Peggs, P.E., P.Eng chaired a special panel discussion on geomembrane wrinkles, bridging, uplift, and ballasting. The recorded session featured panelists Paul Guinard (SOPREMA), Adnan Berkay Özdemir (Atarfil), Michael Flynn (FLI Group), Catrin Tarnowski (GSE), and Richard Thiel (Thiel Engineering). We publish here, with permission of the EuroGeo 6 organizers (the Turkis... »

EuroGeo Transcript: Geomembrane Wrinkles, Bridging, Ballasting, Parts 1 and 2

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During EuroGeo 6, Dr. Ian D. Peggs, P.E., P.Eng chaired a special panel discussion on geomembrane wrinkles, bridging, uplift, and ballasting.  We publish here, with permission of the EuroGeo 6 organizers (the Turkish Chapter of the International Geosynthetics Society) and the participating panelists the full transcript of the session. We thank Ian Peggs and Wendy Cortez of I-CORP International for... »

Strata’s New Geotechnical Software Focuses on GRS Design

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The recently launched StrataPro™ geotechnical software platform from Strata Systems, Inc. is a welcomed addition to the tools engineers can use to improve GRS design. Geosynthetically reinforced soil structures can improve the sustainability, economics, and safety of infrastructure, but they require significant care in planning and material selection. Programs such as StrataPro provide that suppor... »

GeoAfrica 2017 Releases Promotional Video

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GeoAfrica 2017 will be held 8 – 11 October 2017 in Marrakech, Morocco. The conference, which is centered on the theme of “Geosynthetics in Sustainable Development in Africa”, is the 3rd African Regional Conference on Geosynthetics, following installments in South Africa (2009) and Ghana (2013). It will be held under the auspices of the International Geosynthetics Society(IGS) and hosted and organi... »

PODCAST: Perspectives on Puncture Protection for Landfill Lining Systems

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The field of geosynthetics has often been defined by how these materials improve the performance and economics of a particular site or application. One of the ways that geosynthetics achieve such goals is through rigorous testing to ensure proper selection of a material. However, engineering approaches are often driven by a market’s level of infrastructure development and regulatory readiness. Thi... »

PODCAST: Zornberg on Differing MSE Design Frameworks

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Mechanically stabilized earth walls have been the subject of the most read stories on Geosynthetica this year and a few of the most read stories in 2016 as well. This past spring, some of that field interest in MSE design became the focus of a unique meeting at the Geotechnical Frontiers 2017 conference. There, the ASCE Geo-Institute Technical Committee on Geosynthetics brought together leading MS... »

MSE Wall Failures vis-à-vis the Lack of Geotechnical Filters

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By Dr. Robert M. Koerner – Since 2001, the Geosynthetic Institute has accumulated data on failures of geosynthetic-reinforced mechanically stabilized earth (MSE) retaining walls. Our MSE wall failures database presently has 301 cases, of which 191 (63%) have been caused in whole or part by water within, or adjacent to, the reinforced soil zone. We sincerely hope that our past writings and webinars... »

Geosynthetic Reinforcement for Wind Energy

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Subsidies and federal energy policies get most of the headlines, but with the increasing size of wind turbines and the scale of wind farms, few sites can be developed without soil reinforcement technologies. Geosynthetics provide the stable base for construction works and long-term access on wind energy sites. On-shore wind turbine hub heights increasingly crest 100m, and some are approaching 150m... »