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TRB releases report on resilience after natural disasters in transportation infrastructure
June 12th, 2018
On June 11, 2018, the Transportation Research Board (TRB) National Cooperative Highway Research Program (NCHRP) released a prepublication, unedited version of “Synthesis 527: Resilience in Transportation Planning, Engineering, Management, Policy, and Administration” by Aimee Flannery, Maria A. Pena and Jessica Manns. The draft report documents resilience efforts and how they are organized, understood and implemented […]
GSI to host webinar on geotextile tubes
June 11th, 2018
The Geosynthetic Institute (GSI) will sponsor a webinar entitled “Applications and Design of Geotextile Tubes,” on Wednesday, June 13, 2018, from 11:30 a.m. to 1 p.m. EDT. Geotextile tubes are large factory-fabricated textile tubes with multiple access ports for introduction of infilled material, which is usually dredged and in slurry form. After an overview, a […]
Dr. Robert M. Koerner answers your geosynthetics questions
June 5th, 2018
Get your technical geosynthetics questions answered by one of the world’s leading experts on geosynthetics through the GMA Techline. View past questions and answers at https://tinyurl.com/GMATechline. Email gmatechline@ifai.com anytime for fast, direct answers to any and all technical geosynthetics questions. This one-of-a-kind resource is free to all courtesy of the Geosynthetic Materials Association (GMA), Geosynthetics magazine and the […]
DFI Educational Trust awards scholarships to engineering students
June 5th, 2018
The Deep Foundations Institute (DFI) Educational Trust recently awarded several scholarships to civil engineering students focusing on geotechnical and/or environmental engineering at the University of Illinois at Urbana-Champaign, DFI said in a June 5, 2015, press release. The 2018 recipients of the Charles J. Berkel Memorial Scholarship were University of Illinois students Elisabeth Tarpey, Jessica […]
Estimating live loads in MSE wall and slope design
June 1st, 2018
In formulating a factor-of-safety value for a mechanically stabilized earth (MSE) wall or slope project, a design engineer calculates a ratio of resisting forces to driving forces. This contrast is further recognized when using load and resistance factor design (LRFD), which is in our not-too-distant future. The resisting forces are the soil’s inherent properties (e.g., […]
GMA News: GMA had a jam-packed start to the year
June 1st, 2018
In January 2018 members of the Geosynthetic Materials Association (GMA) participated in the Transportation Research Board (TRB) Annual Meeting in Washington, D.C. In February our executive council met in Charlotte, North Carolina, to review GMA’s goals and mission. In March a delegation of GMA executives met with representatives from the White House and the U.S. […]
GeoDallas Watch: 2018 GeoDallas schedule announced
June 1st, 2018
June World Environmental & Water Resources Congress June 3–7 | Minneapolis, Minn. Hosted by the Environmental & Water Resources Institute (EWRI) of the American Society of Civil Engineers (ASCE), the World Environmental & Water Resources Congress brings together the top environmental and water resources infrastructure professionals. Topics include erosion and sediment control, numerical modeling, hydraulic […]
Presto releases geocell ballast research
June 1st, 2018
Presto Geosystems, manufacturer of the high-density polyurethane (HDPE) GEOWEB® geocell base stabilization system, has released results from railroad-track research performed to quantify the reinforcement benefit of GEOWEB-confined ballast as compared to unconfined ballast. The company said the research was a cooperative effort under the direction of Ben Leshchinsky, Ph.D., P.E., of Oregon State University, and […]
Geogrid study initiative wins Center for Transportation Research Award
June 1st, 2018
The University of Minnesota Center for Transportation Studies (CTS) selected Tensar International and its research partners as the winners of the 2018 CTS Research Partnership Award for their work on geogrid usage in paved-road infrastructure. The award recognizes a new pavement design and analysis tool, which enables geogrid benefits to be quantified using an aggregate-geogrid […]
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 […]