FHWA proposes more flexible design standards to repair the nation’s freeways and interstates

November 27th, 2020

The Federal Highway Administration (FHWA) published a Notice of Proposed Rulemaking (NPRM) to allow state departments of transportation more flexibility with design standards to repair the nation’s freeways and interstate highways. “The FHWA proposes to provide regulatory relief to states to address the immediate repair needs of our nation’s roadways without compromising safety and efficiency,” […]

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GMA happenings

February 1st, 2020

Letter from the chair As I sat down to write this update of all the great things GMA has been doing, my computer screen interrupted me with an email, and now I type with a heavy heart as the email announced the passing of Robert M. Koerner. I had the privilege of knowing Bob for […]

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Nason sworn in as new federal highway administrator

May 8th, 2019

U.S. Transportation Secretary Elaine L. Chao swore in Nicole R. Nason as the 20th administrator of the U.S. Department of Transportation’s (USDOT) Federal Highway Administration (FHWA) on May 2. The U.S. Senate overwhelmingly confirmed Nason by a vote of 95-1 on March 28. “We welcome Nicole back to the U.S. Department of Transportation. Her record […]

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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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