VIDEO: Chungsik Yoo and Erol Güler Discuss Underground Construction

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At EuroGeo 6, the International Geosythetics Society recorded one of its “Two for a Few” installments, which brings together field experts for brief talk on a high-level issue. This time around, IGS Vice President Prof. Chungsik Yoo and IGS Council Member Dr. Fazli Erol Güler sat down to discuss geosynthetics in underground construction. Dr. Güler opens the 9:00-minute conversation by asking Prof.... »

Defining Interaction Flexibility for Geogrid-Reinforced Structures

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By HUESKER – Key properties in effective geosynthetic reinforcement are adequate tensile stiffness and tensile strength coupled with good interaction behavior. The relatively new technical term interaction flexibility introduces a previously disregarded aspect: the flexibility of the geogrid in a reinforced structure. This property has been shown to improve the interaction between soils and the ge... »

VIDEO: Reduction Factor for Creep Rupture Behavior of Geosynthetics

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In HUESKER’s May 2017 videocast, engineer Christoph Hessing discusses a highly important reduction factor that engineers must know to properly design with geosynthetics: creep rupture. This is essential to understanding soil reinforcement. “The purpose of the reduction factors is to take into account the factors influencing product behavior that are likely to be significant in an application,” Hes... »

Video: ILT Coal Ash Containment Installation at Reid Gardner

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International Lining Technology began work on a coal ash containment project at the Reid Gardner Generating Station in late November 2016. The 557-MW plant sits on 480 acres near Moapa, Nevada and has been undergoing closure activities in recent years. Three of the sites four units (totally 300 MW of capacity) have service records extending back in the 1960s and 1970s. The site operators began dec... »

Video: Pambula Merimbula Uses Polymeric Mats for Access Road

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Diamond Grid has published a video story on the installation of its polymeric mat system to create an access road for Pambula Merimbula Golf Course in Australia. At the open of the story, Pat Wilson, course superintendent, says that the course has used the polymeric matting solution on several projects historically on the course in lieu of concrete. Diamond Grid notes that its primary material cos... »

SWANApalooza Includes Geosynthetics Panel on Failure and Value

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At the open of promotional video for the March 28 geosynthetics panel discussion on failure and project value, the narrator quotes renowned investor Warren Buffet: Price is what you pay; value is what you get. This is an especially apt comment for geosynthetics, where the decline of a simple quality assurance service can lead to millions of dollars of litigation, clean up, and repair due to failur... »

TxDOT Videos Highlight Zornberg’s Geosynthetics Research

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The 96th Transportation Research Board (TRB) conference has just wrapped up in Washington, DC. The event saw a record 14,000+ transportation engineers, policymakers, researchers, and other stakeholders attend the multi-day standardization meetings and technical presentations. Among the items presented were numerous high-profile geosynthetics research initiatives. This reminded us of videos posted ... »

Project Video: GRS Structure for Major Greek Cultural Center

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One of the world’s leading architects, Pritzker Prize-winning visionary Renzo Piano, has led the development of Greece’s newest cultural treasure: the Stavros Niarchos Foundation Cultural Center. The site, which will host a high-profile park and vital institutions such as the National Library of Greece and the Greek National Opera, is made structurally possible in part by the development of a larg... »

Video: Conductive Geomembranes and Enhanced CQA

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In November, Solmax provided the third of its high-level webinars on geomembranes with a session on “Enhancing Quality Assurance with Conductive Geomembranes.” The presentation is now available for free via the company’s YouTube channel, as are the previous two webinars. Those other sessions dealt with Blown Film vs. Flat Die Geomembranes and Geomembrane Resin and Additive Packages. ENHANCED CQA W... »

Project Video: Geosynthetic Drainage Support for Athletic Facility

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Varicore Technologies documented the extensive drainage installation work its geocomposite materials were utilized in performed for the Annandale Regional Athletic Facility in Minnesota. The multi-sport site hosts a baseball stadium, four baseball/softball diamonds, two soccer pitches, and a football field. Additionally, parking, parkland, and trails were built into the 20+ acre location. To date,... »

Video Story: Waterway Restoration after Mining Activities

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The waters of the Schurenbach, a stream near Essen, Germany, formerly ran underground from the foot of an old coal slag heap (the Schurenbachhalde). As part of a land and waterway restoration scheme following the decline and decommissioning of mining activities in the area, the stream was moved above ground in a geosynthetic-lined ditch. HUESKER’s project video details how inadequate bearing capac... »

Project Video: Geosynthetic Tubes for Coastal Protection

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A new project video from HUESKER details a 1500m-long coastal protection installation of geosynthetic tubes along Lake Sedlitz in Germany’s Lusatian Lake District. The 1400 ha (3460 acre) lake is the largest of the manmade lakes in the former lignite mining area. The old mines have been flooded, a process that has restored the region to its historical natural beauty. As the waters of Lake Sedlitz ... »

VIDEO STORY: Solmax Cleans Up 150 Tons at an Illegal Dump

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International geosynthetics manufacturer Solmax has been undergoing a change in its identity from that of a commodity producer to a provider of value-added solutions. It hasn’t lost its focus on the environment, though. That old focus has intensified, as exemplified by the recap video the company has shared of its day doing volunteer cleanup of an illegal dump. The project, conducted in collaborat... »

How Cable Ties Can Cost a Geosynthetics Project Millions

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Construction quality assurance expert Glen Toepfer (CQA Solutions) takes on the topic of cable ties in his latest video post from his Uncontained blog. In the 3.5-minute video, he shares notes from the field, including the impact of geonet yield, thermal expansion, safety, and testing speed. “Not a lot of attention seems to be paid to them in the specifications,” he says. “How ma... »

VIDEO: Performance of Geogrids in Track Ballast Applications

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Tensar’s “Keeping You in the Know” video series is a Q&A influenced campaign. Here in its third video, Stabilisation Systems expert Mike Horton (Tensar International Limited) tackles the question: “What evidence is there that TX190L outperforms biaxial geogrids in track ballast?” “Tensar’s geogrids have been used to stabilize rail ballast and sub-balla... »

Additive Packages, Resins, and Geomembrane Performance

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How do additive packages, resins, HPOIT and OIT testing, and other components and quality control measures to geomembranes affect material durability and performance? Solmax engineer Mathieu Cornellier led a webinar on these topics earlier this month. The company has posted the presentation on its YouTube Channel. Cornellier focuses on polyethylene (PE) geomembranes, including high-density (HDPE) ... »

VIDEOCAST: Geotextile Encased Columns

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Geotextile encased columns (GECs) were developed to provide efficient foundations for embankments on weak subsoils. These columns, characterized by geotextile sleeves filled with noncohesive material, transmit loads through weak subsoil to suitable bearing strata via the columns. HUESKER‘s video on this geosynthetic solution provides graphics, project images, and technical details to teach u... »

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... »

VIDEO: Service Life Advantages of Road Building on Geosynthetics

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In its latest animation, TenCate Geosynthetics profiles how road building with geosynthetics can extend service lives up to 10x. The 1 minute, 37 second video shows design with TenCate Mirafi® RSi materials versus designs without geosynthetics over a simulated 50-year period. The video uses animation to show weather and traffic patterns cycles and how different roadway systems—with geosynthetics, ... »

VIDEO: Geosynthetic-Reinforced Embankments on Vertical Columns

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HUESKER‘s videocast series delivers geosynthetic product and application details in succinct video spots. The material is developed by the company’s international personnel, and the videos in the series that are narrated in other languages include voice-over translation to English. No matter where the viewer is based, the engineering information is relevant. In the video below, Judy Ja... »

VIDEO: Tensar on Tensile Strength Relevance in Certain Designs

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Tensar’s “Keeping You in the Know” video series is a Q&A influenced campaign. In the first video, Senior Product Manager Jonathan Cook (Tensar International Limited) addresses questions on tensile strength and its relevance to certain designs. His response may surprise some. “[Tensile strength] is not relevant when the geogrid is used in the design of roads and temporary work... »

VIDEO: Geomembrane Fabrication Leads to Rapid Install

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Geomembrane fabrication can provide significant cost savings for geosynthetic barrier installations. EPI shares a video from a wastewater treatment plant project. GEOMEMBRANE FABRICATION ADVANTAGES Prefabrication of geomembrane panels can provide significant cost savings. It allows sections of panel to be joined to create very large pieces, which lead to greater coverage on site as rolls are deplo... »

VIDEO: Asphalt Pavement Interlayers

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In a new video from Geosynthetica’s YouTube channel, HUESKER describes how asphalt pavement interlayers (e.g., HaTelit®) improve the long-term performance of new roads. The high-strength, flexible, temperature-resistant composite geogrids allow for a significant extension of life-cycle pavement performance. “[This geosynthetic is] specifically designed to mitigate reflective cracking in new ... »

VIDEO: Geocell Solutions for Mining Applications

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Load support, slope remediation, stormwater control, and vegetated retaining walls: these are all mining applications for which highly effective, extremely durable, and easy-to-implement geocell solutions are available. Presto Geosystems’ video demonstrates some of the most common uses for the GEOWEB® Geocell System in the mining industry. These geocellular confinement systems are providing cost-s... »

Interview: Koerner on Lifetime Predictions for Geosynthetics

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Dr. Russell Jones, President of the International Geosynthetics Society, sat down with the Geosynthetic Institute‘s Dr. Robert Koerner to discuss GSI’s 12-year study on the long-term performance and aging of geotextiles and geomembranes, with a focus on the applicability of the research for lifetime predictions. The interview took place in April in Miami during GeoAmericas 2016, the 3r... »