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The GMA Techline
October 1st, 2018
Toxicity of nonwovens? Q: Are there any comprehensive tests (or a general synopsis) of the environmental toxicity of leachate from nonwoven polypropylene fabrics when aged in a freshwater or saltwater solution? Regulatory and municipal bodies in Europe and New Zealand are requesting more info about products that are used in riparian and coastal environments. A: […]
Geosynthetics opportunities and solutions in shale gas extraction
October 1st, 2018
While natural gas contained within shale rock is geologic and thus ancient by its very nature, the practice of its removal by horizontal drilling coupled with hydrofracking is a relatively recent development (Figure 1). Indeed, these dual technologies are making possible the recovery of huge amounts of natural gas—so much so that one can envision […]
Geosynthetics and coal combustion residuals
October 1st, 2018
According to the World Bank Group, in 2015 coal produced 41% of the world’s energy and about 34% of the energy production in the United States. While global warming and pollution are serious challenges according to most scientific evidence, and coal burning is cited as one cause of both, there are many staunch advocates of […]
BOSTD America geogrid plant up and running in Oklahoma
September 28th, 2018
BOSTD America’s new geogrid manufacturing plant is operational at the company’s American headquarters in Blackwell, Okla. The BOSTD Group, based in Europe, includes BOSTD International, BOSTD Geosynthetics and BOSTD America. It is a manufacturer of high-quality geogrids produced on a continuous-production line, as well as drainage nets and composites, geocomposites, asphalt reinforcement material and geocells […]
Construction inspection of MSE walls, berms and slopes is focus of GSI online course
September 27th, 2018
The Geosynthetic Institute (GSI) will host an online short course entitled “Course 2: Construction Inspection of Mechanically Stabilized Earth (MSE) Walls, Berms and Slopes,” Nov. 6–8, from 11 a.m. to 12:30 p.m. and from 2 p.m. to 3:30 p.m. EDT each day. Robert M. Koerner and George Koerner will teach the course. All Geosynthetic Materials […]
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 […]
FAA to award $616.9 million in infrastructure grants to airports
August 29th, 2018
U.S. Department of Transportation (USDOT) Secretary Elaine L. Chao announced on Aug. 24 the Federal Aviation Administration (FAA) will award $616.9 million in airport infrastructure grants, as part of the total $3.18 billion in Airport Improvement Program (AIP) funding for airports across the United States. “The department has been investing heavily in our nation’s airport […]
AASHTO committee on construction appoints new chair, vice chair
July 30th, 2018
The American Association of State Highway and Transportation Officials (AASHTO) appointed Dallas Hammit and Amy Tootle as the chair and vice chair, respectively, for the group’s committee on construction, which ensures that AASHTO’s guide to specifications for construction is kept up-to-date with the latest best practices gathered from its state department of transportation members. Hammit […]
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 […]
2019 IECA Annual Conference and Expo abstracts due Friday
May 29th, 2018
The deadline to submit abstracts for the International Erosion Control Association (IECA) Conference and Expo, Feb. 19–22, 2019, in Denver, Colo., is this Friday, June 1, 2018, the association said. Speaking at the conference will allow participants to gain exposure for their work while providing advancements to the […]