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Airports zone in on geosynthetics
October 1st, 2023
FIGURE 1 Tensar mechanically stabilized the recycled congregate aggregate sublease at Toronto Pearson Airport so that subexcavation and removal of the subgrade soil was not required. Photo courtesy of Tensar Airport runways are not mere roads. They need to be built smoother and stronger to support the loads of jet planes without buckling under the […]
$4.9 million contract for geosynthetic liner system installation nears completion
February 22nd, 2023
The U.S. Army Corps of Engineers’ Philadelphia, Pa. district and its contractor, Mohawk Valley Materials of Marcy, N.Y., will soon begin construction on improvements at the General Edgar Jadwin Dam in Wayne County, Pa. The contractor mobilized to the site in 2022 and work is ongoing currently and estimated for completion in spring of 2023. […]
The history of geocells
February 18th, 2022
By Ashley Beyer, Content and Marketing Specialist, Presto Geosystems Presto Geosystems, which invented geocells in the late 1970s, expands on the history of geocells technology. Side-by-side cost/performance testing of polymer and aluminum geocells at the U.S. Army Corps of Engineers Waterways Experiment Station in Vicksburg, Miss., circa 1979. Photograph courtesy of Presto Geosystems Geocell technology has come […]
GeoNashville 2021 is a success
February 1st, 2022
Silas C. Nichols, P.E., principal geotechnical engineer with the Federal Highway Administration (FHWA) Office of Infrastructure, speaks about “Transforming Transportation Geotechnics with Geosynthetics" at GeoNashville. Photograph courtesy of Mark Skalny/Mark Skalny Photography Geosynthetics professionals from across North America gathered in Nashville, Tenn., in November as the industry returned to in-person events. GeoNashville 2021, Nov. 4–5, […]
There’s still time to register for GeoNashville
October 14th, 2021
Secure your spot today Photograph courtesy of Geosynthetics Ltd. GeoNashville 2021, Nov. 4–5, is only a few weeks away, and there is still time to get registered. This event is a great opportunity for professionals in the geotechnical industry to reconnect with their peers, exhibitors and the industry. What to expect at GeoNashville In-depth plenary discussionsOpen networking […]
Getting the most out of GeoNashville 2021 and looking toward 2023
October 1st, 2021
Downtown Nashville. Photograph courtesy of Crackerclips, ID 81868104, Dreamstime.com GeoNashville, Nov. 4–5, 2021, at the Music City Center in Nashville, Tenn., is just around the corner. This face-to-face geosynthetics event brings attendees together for 1.5 days of plenary presentations and panel discussions from the Federal Highway Administration (FHWA), U.S. Army Corps of Engineers (USACE), Federal […]
USACE releases work plan for fiscal 2021
January 28th, 2021
The U.S. Army Corps of Engineers (USACE) delivered to Congress its Fiscal Year 2021 (FY 2021) Work Plan for the Army Civil Works program on January 19, 2021. On December 27, 2020, President Donald Trump signed into law the Consolidated Appropriations Act, 2021, Public Law 116-260, of which Division D is the Energy and Water […]
Erosion control using concrete-enhanced synthetic turf
February 1st, 2020
By Bradford H. Cooley and Bryan Scholl Concrete-enhanced synthetic turf (CEST) is a hardened revetment system best described as a fiber-reinforced, flexible concrete liner. It consists of a high-friction, impermeable geomembrane layer overlain by an engineered synthetic turf, which is infilled with a 5,000 psi (3.45 × 107 Pa) high-strength cementitious mix. The turf fibers […]
U.S. Army Corps of Engineers designates priorities for disaster relief funding
October 1st, 2019
The U.S. Army Corps of Engineers (USACE) announced work that it will accomplish with Flood Control and Coastal Emergencies, Operation and Maintenance, and Mississippi River and Tributaries account funding provided for emergency recovery efforts in the Additional Supplemental Appropriations Disaster Relief Act, 2019, Public Law 116-20. The act was signed into law June 6, 2019. […]
Reinforcing dunes and bluffs with geosynthetics
October 1st, 2019
By Brian Maggi, Christopher D. P. Baxter, Aaron Bradshaw, Annette Grilli and Naser Al Naser The devastating effects of recent hurricanes and nor’easters highlight the need to improve the resilience of coastal communities. There is a trend toward implementing “soft” engineering solutions such as dunes reinforced with geotextile sand containers (GSCs) or coastal bluffs stabilized […]