New Short Course: Slope Stability of Containment Systems

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Containment facilities require multiple geosynthetics, which creates a need to design with a strong understanding of the interface between soils and geosynthetics and between different geosynthetics. The new short course, Slope Stability of Containment Systems, will address this topic May 23 – 24 in Austin, Texas. The presenters for the course represent the geosynthetics testing and environmental ... »

NAUE Asia Achieves SAMM Accreditation for Testing Geosynthetics

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When the international geosynthetics manufacturer NAUE GmbH & Co. KG founded NAUE Asia Sdn. Bhd. (NASB) in Malaysia in 2011, it did so to serve infrastructure markets in Asia and Oceania—and to do so with the same high-quality standards it employs at its renowned facilities in Germany. Now, the NAUE Asia testing laboratory has achieved SAMM accreditation for testing geosynthetics, in accordanc... »

Pumped Storage Facility Revitalized by GCL Barrier

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By NAUE – After more than 50 years of operation, the Hohenwarte II pumped storage facility near Saalfeld/Thuringia had seen many changes both in the ways in which the facility needed to be used and in its infrastructure and performance. Numerous changes had occurred to the site’s inlets and outlets. The pumped storage facility began to exhibit high rates of leakage. The issue was the aging, ... »

April Events: Geosynthetics CQA Training and Certification

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CQA training and certification events during CQA Week highlight how important Construction Quality Assurance is to geosynthetics–and, by extension, to infrastructure sectors such as waste management and mining. CQA activities ensure the effectiveness of the materials and their role in providing long-term service lives and economical performance for infrastructure. Essentially, the work perfo... »

Geosynthetics CQA Week Events, April 24 – 28

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CQA Week events highlight how important Construction Quality Assurance (CQA) is to geosynthetics. CQA activities ensure the effectiveness of the materials and their role in providing long-term service lives and economical performance for infrastructure. Essentially, the work performed by CQA professionals helps facilities go into service in as ideal a condition as possible. Held twice annually, th... »

Geosynthetics International Gives Free Access to Best Papers

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Annual, editor-selected “Best Of” papers from Geosynthetics International are available for free access online. Thomas Telford Ltd’s division ICE Publishing—part of the UK-based Institution of Civil Engineers—has published up to three from each calendar volume going back to 2010. Visit the “Editor’s Choice” page on the journal’s website. Members of the International Geosynthetics Society (IGS) hav... »

CQA Week Adds Half-Day Leak Location Primer

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Construction Quality Assurance (CQA) Week returns to Austin, Texas 6 – 9 December 2016. This time around, the multi-day geosynthetics professional development includes a half-day primer on electrical leak location (ELL) technologies. The shorter, significantly discounted primer offers a welcomed option to focus only on geosynthetic lining system leak location methods and how to properly specify th... »

GCLs and a Flood Dam Monitoring System

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By NAUE – The need to mitigate the impact of flooding has intensified as floods have become more frequent and serious. All types of dams are being reassessed. Their “impermeability” during emergencies, which is deeply connected to their integrity and overall safety, is of paramount importance. But how can these structures be monitored for better assurance of performance? NAUE was invol... »

Geosynthetic Protection and Covering Lecture at MoDNR

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Mark Sieracke of Weaver Consultants Group will provide a special keynote lecture focused on Geosynthetic Protection and Covering on Thursday, September 8. The talk is part of CQA Week professional development events in Jefferson City, Missouri. The Missouri Department of Natural Resources (MoDNR) is hosting this round of CQA Week engineering training 7 – 9 September 2016. The program is open to th... »

Polymer-Enhanced GCL for Wet Process Ash Impoundment

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By GSE Environmental – An innovative geosynthetic clay liner (GCL) was used for the containment of wet process ash at a 3,520 MW facility in the Southeastern United States. The wet process ash project involved roughly 1,000,000 ft.2 of GSE Bentoliner CAR (Coal Ash Resistant) GCL. The facility owner wanted an impoundment design that would conform to any potential rulings from the US Environmental P... »

VIDEO: Pumped Storage Plant Barrier Rehabilitation, Germany

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The latest video from NAUE tells the story of the pumped storage plant barrier rehabilitation in Hohenwarte, Germany. The project provided an essential update a half-century-old site. Geosynthetic clay liner (GCL) has been the centerpiece of the sealing system’s update. “We have an upper reservoir with two concrete dams and a rockfill dam provided with a clay seal,” says Dipl.-In... »

Missouri DNR Adds Inspectors Certification to CQA Week

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The Geosynthetic Certification Institute – Inspectors Certification Program (GCI – ICP) exam has been added to the next CQA Week. To be held 7 – 9 September 2016 in Jefferson City, Missouri and hosted by the Missouri Department of Natural Resources (MoDNR), the three-day training offers multiple engineering courses under a single, reduced-cost registration. The program is open to the g... »

MoDNR to Host September CQA Week Courses

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The Missouri Department of Natural Resources (MoDNR) will host CQA Week 7 – 9 September 2016 in Jefferson City, Missouri. Three courses will be offered as a single registration package. The education targets construction quality assurance and electrical leak location (ELL) in landfill and containment engineering applications. The program is open to the general engineering, construction, and enviro... »

An Exemplary GCL Barrier for the City of Barrie

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When the City of Barrie (Ontario) landfill reached capacity, an extensive program was enacted to recycle material from the old cells. Non-recyclable material was then reburied with the additional protection of a multi-layered geosynthetic barrier system. The system utilized an HDPE geomembrane – GCL barrier system. BETTER GCL BARRIER SYSTEMS Terrafix installed the geosynthetic system, which ... »

CQA Week Events, April 25 – 29

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CQA Week events highlight how important Construction Quality Assurance (CQA) is to geosynthetics. CQA activities ensure the effectiveness of the materials and their role in providing long-term service lives and economical performance for infrastructure. Essentially, the work performed by CQA professionals helps facilities go into service in as ideal a condition as possible. Held twice annually, th... »

Lining a New Landfill near Porto

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With a combined population of 440,000, the communities of Santa Maria da Feira and Vila Nova de Gaia, Portugal, produce 175,000 tons of solid waste annually. Waste management is overseen by the Multi-municipal System of Sul do Douro (Suldouro), which established a project to construct a new landfill. The existing one was nearly full. DST Group was selected as the main contractor and Maccaferri of ... »

Kerry Rowe Elected to National Academy of Engineering

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Prof. Kerry Rowe has made numerous, substantial contributions to barrier systems research, education, and regulation during his 30+ year career. The US-based National Academy of Engineering agrees. A February 8 NAE announcement named Rowe among just 22 other engineers from outside the United States who have been elected members here in 2016. It is a prestigious and well-earned achievement.  He is ... »

GCLs Continue to Influence Barrier Designs

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The use of geosynthetic clay liners–GCLs–in engineered barrier systems has broadened substantially. Part of this growth has been fueled by a long record of successful performance. And, as with other geosynthetics, the growth has also been supported by numerous manufacturing and design advances. These have enabled GCLs to be far more application and site-specific today. GCLS & BENTO... »

George Koerner to Speak at Two Terrafix Seminars

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The annual terrafix® Winter Seminar Series delivers updated engineering and geosynthetic product information in a concise, free-to-attend seminar in multiple cities across Canada. This year’s program involves substantial updates, following significant changes in the market, standards, construction techniques, and other aspects that impact how to properly design with, specify, and use geosynt... »

Terrafix Winter Seminar Series 2015 – 2016

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terrafix® has made substantial updates to the engineering information in its annual Winter Seminar Series, making this year’s offerings more important even for those who have attended previously. Much is changing in the field, and the company has responded with welcomed state-of-practice updates for participants. The company has long sponsored educational seminars, including special sessions... »

Register Now for CQA Training Courses in Geosynthetics

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The field of geosynthetics has greatly improved the long-term economics, durability, and service of infrastructure. Beyond manufacturing advances, one of the primary ways in which this geotechnical sector has improved the large civil engineering field is through increased expertise in construction quality assurance (CQA). Many opportunities exist for engineering firms, agencies, and other stakehol... »

Geosynthetics CQA Week Short Course Schedule

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Geosynthetics CQA is a key component to the effectiveness of the materials and their role in long-term service lives and the economical performance of infrastructure. CQA, like manufacturing quality controls and expert installation, ensures that facilities go into service in as ideal a condition as possible. CQA practices have even created zero-leak installations (e.g., the massive Palo Verde Nucl... »

Capping the Farley Mine

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Mining is a vital activity for modern life. The metals, minerals, and other raw materials extracted enable the production and success of many (if not most) of the goods each of us utilizes directly and indirectly on a daily basis for communication, transportation, food production, safety, etc. But the legacy of mining, particularly for mines that were initiated before the advent of today’s contain... »

CQA Week Course Dates: November 2 – 6

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CQA Week delivers courses on performing liner integrity surveys (electrical leak location), CQC/CQA of geosynthetic installation, and CQC/CQA of geosynthetic clay liner and compacted clay liner installation. The week also offers multiple certification opportunities, such as the Level 2 ELIS exam for liner surveys and two CQA certifications from the Geosynthetic Certification Institute. The short c... »

Geosynthetic Barriers Workshop Program for ECSMGE

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 Attendees at the highly anticipated XVI European Conference on Soil Mechanics and Geotechnical Engineering (XVI ECSMGE) in Edinburgh, 13 – 17 September 2015, will be able to attend a special geosynthetic barriers workshop. The technical content for the half-day session has been developed by the International Geosynthetics Society’s (IGS) Technical Committee on Barriers (TC-Barriers). The topics f... »