How RUSLE2 Benefits Ag, Mining, Urban Design, and Other Sectors

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Nearly 80 years of erosion data in the United States informs the massive RUSLE2 database, led by the US Department of Agriculture’s Natural Resources Conservation Service. In this episode, Dave Lightle shares his 40+ years of experience with the RUSLE2 mathematical prediction tool for erosion processes and better land management planning, including how the system extended beyond being a tool... »

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... »

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... »

Effective Education for Erosion and Sediment Control System Adoption

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Erosion and sediment control advances have produced enormously beneficial results, in infrastructure performance and economics; yet, rates of erosion and sediment control system adoption rates have lagged behind the research supporting them. Dr. Eve Brantley, an extension specialist and associate professor with Auburn University’s Crop, Soil, and Environmental Sciences Department in the renowned C... »

PODCAST: Leap Frog Ideas for Low Impact Development

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How do we create a more water-centric infrastructure? That’s a question LimnoTech senior engineer Dr. Daniel Medina, P.E., D.WRE addresses in his work. Low impact development strategies are very important to his work. It’s trickier than just saying “use LID,” though. Inequalities between cities and countries make is harder for some infrastructure strategies to get adopted. Priorities are different... »

The Geotechnical Poetry of Mary Nodine

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Geotechnical engineering requires a lot of waiting. You wait on calls, test results, the weather. You wait on a construction activity to finish, on software to complete extremely complex models, on site assessments to be signed off on. You wait in labs and airports, on calls, in lobbies. So what to do with all that waiting? Sometimes, you let the mind wander. It may just take you to geotechnical p... »

PODCAST: Robert Bowers on Geosynthetics in Segmental Concrete Pavements

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The Interlocking Concrete Pavement Institute published its Tech Spec 22 this year. The document provides general guidelines on the use of geosynthetics within segmental concrete pavements. ICPI’s Director of Engineering Robert Bowers, P.Eng, spoke to Geosynthetica about the publication and the growing role of interlocking concrete pavement technologies, performance of these systems, sustainability... »

PODCAST: Coal Combustion Residuals and GCLs

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Geosynthetica’s Director, Elizabeth Peggs, interviewed Dr. Craig Benson (University of Virginia) and engineer John Allen (CETCO) about coal combustion residuals (CCRs) and new barrier system regulations governing CCR handling and storage. Both Benson and Allen will be at the Coal Ash Management Forum on July 21 and 22 in Charlotte, North Carolina. Benson is a speaker at the event. In their discuss... »