Christopher honored with 2018 Koerner award and lecture series

February 1st, 2019

The Geosynthetic Materials Association (GMA), led by a Koerner awardee selection task force, chose Barry R. Christopher, Ph.D., P.E., as the recipient of the 2018 Robert M. Koerner Award and Lecture Series. The award and lecture series is named for Robert M. Koerner, Ph.D., the founder and director emeritus of the Geosynthetic Institute and professor […]

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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 […]

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Barry R. Christopher honored with 2018 Koerner award and lecture series

September 11th, 2018

The Geosynthetic Materials Association (GMA), led by a Koerner awardee selection task force, selected Barry R. Christopher, Ph.D., P.E., as the recipient of the 2018 Dr. Robert M. Koerner Award and Lecture Series. The award and lecture series is named for Dr. Robert M. Koerner, Ph.D., the founder and director emeritus of the Geosynthetic Institute […]

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Panorama

August 1st, 2018

Tensar arranges Australian distribution for mining geosynthetics Tensar International announced June 15, 2018, that Chris Taylor of C&C Taylor Enterprises (CCTE) has agreed to become the exclusive distributor agent for Tensar Underground Mining Products in Australia. For more than 40 years, Taylor has worked in various mining industry roles, from the shop floor to director, […]

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Monitoring the performance of Louisiana’s first GRS–IBS bridge

June 1st, 2018

Over the decades, soil mass reinforced by layers of geosynthetics has been used widely and successfully in a variety of earth structures, such as mechanically stabilized earth (MSE) retaining walls, embankments, slopes and shallow foundations. Due to the proven benefits of geosynthetic reinforced soil (GRS), including cost-effectiveness, simple and fast construction, and tolerance of differential […]

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Highway deep-patch geogrid applications

June 1st, 2018

Deep patch is a repair technique that has been widely used on low-volume roads in the Pacific Northwest as a cost-effective mitigation technique to address settlement and shallow landsliding of side-cast embankment fill slopes and natural slopes consisting of weak soils overlying stronger soils (Cuelho et al. 2012). A deep patch consists of a subexcavation […]

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WisDOT publishes study on geotextile puncture test methods

June 1st, 2018

The Wisconsin Department of Transportation (WisDOT) and the Federal Highway Administration (FHWA) funded research into puncture test methods for geotextiles, and the report from this study is now available online. Various tests are conducted to assess and classify a geotextile’s suitability for different applications. One of these tests is the puncture strength test. This test […]

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Final inspection: GRS–IBS bridge in place in 80 hours

June 1st, 2018

The Rhode Island Department of Transportation (RIDOT) began work on the McCormick Quarry Bridge over Warren Avenue in East Providence on Sept. 23, 2016, using a geosynthetic reinforced soil–integrated bridge system (GRS–IBS). According to the Federal Highway Administration and RIDOT, the technique allowed crews to cut the closure time for the bridge from one year […]

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The TRB Standing Committee on Geosynthetics

June 1st, 2018

The Transportation Research Board (TRB), a program of the nonprofit National Academy of Sciences, Engineering and Medicine, has more than 200 standing committees within their Technical Activities Division; one of those is the Standing Committee on Geosynthetics (AFS70), which focuses on issues related to analysis, design, installation and performance of geosynthetics used in transportation. The […]

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AASHTO’s executive director to retire

May 28th, 2018

The American Association of State Highway and Transportation Officials (AASHTO) announced May 24, 2018, that Executive Director Frederick G. “Bud” Wright will retire at the end of 2018. "AASHTO is a wonderful place to work," Wright said in a prepared statement from AASHTO. "In my experience—and that experience working in transportation now spans more than […]

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