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Yeager Airport: Deconstruction and reconstruction of the side of a mountain

April 1, 2019

Yeager Airport is located on top of a series of leveled mountains in Charleston, W.Va. Completion of the original airport construction in the 1940s required 9 million cubic yards (6.9 million m3) of soil and rock earthwork (Keller 2017). In 2005, due to Federal Aviation Administration (FAA) safety requirements, it was necessary to construct a …

Rebuilding roads, replacing transmission lines damaged during Hurricane Michael in Florida’s Panhandle

March 1, 2019

Hurricane Michael caused extensive damage to Florida’s power grid network, leveling more than 100 transmission towers in a 34-mile (55-km) right-of-way from Port St. Joe to Callaway. This right-of-way crosses swampy, remote and hard-to-reach areas, making rebuilding the grid even more challenging. This extremely wet, muddy ground prevented Duke Energy repair vehicles from accessing the …

A leachate pond geomembrane after 25 years of service

February 1, 2019

This article reports on the evaluation of an exposed geomembrane liner in a landfill leachate pond after being in service for 25 years. The evaluation was performed in two campaigns: in August 2014 and in May 2018. The purpose of the evaluation was to determine the condition of the geomembrane and to provide a recommendation …

The GMA Techline

Geomembranes for canal lining Q: Our company is an international member of the Industrial Fabrics Association International (IFAI). Our government is planning to line their water canals with a geomembrane to prevent water seepage into the soil. We have been approached by many to suggest the most suitable material with specifications to guide them in …

Reviving the Palos Verdes Reservoir, Part 3

California’s water infrastructure is one of the most challenged systems in the United States due to the large population it supports, the age of much of the water infrastructure, and the diverse environments—mountains, coastlines, old-growth forests, deserts—found in the state. The water infrastructure is also one of the country’s most advanced systems, in part due …

2018 International Achievement Awards

Recognizing design excellence in geosynthetics The International Achievement Awards, sponsored by the Industrial Fabrics Association International (IFAI), recognize innovation, technical skill and design excellence in geosynthetic applications. The awards are an annual competition promoting awareness of the specialty fabrics used in thousands of products and applications ranging in size and shape. For more than 70 …

Geocomposite groundwater drainage system for bluff erosion protection

The project presented herein was designed to enhance an existing groundwater drainage system and repair erosion related to groundwater seepage on a berm constructed using coal combustion residuals (CCR) on top of a Lake Michigan bluff at a site in southeastern Wisconsin. This article presents the planning, design and implementation of the remedy. The planning …

Managing urban water issues with geosynthetics

November 19, 2018

Following the devastation of Hurricane Katrina, the Army Corps of Engineers awarded Phylway Construction a contract to rebuild the Lake Pontchartrain levees in Louisiana. After extensive testing, high-performance turf reinforcement mat (HPTRM) products were approved, with Phylway using East Coast Erosion Control’s T-RECS product on the east side of the causeway. Photo: East Coast Erosion …

GMA/IGS-NA to present webinar on geosynthetic-stabilized roads

November 2, 2018

The Geosynthetic Materials Association (GMA) and IGS North America (IGS-NA) will sponsor a free webinar entitled “Recent Developments in Geosynthetic-Stabilized Roads: Introduction and Mechanisms,” on Dec. 4, from 1 to 2 p.m. EST. Geotextiles, geogrids and geocells have been used widely in roadway stabilization works throughout the world. In this webinar, Dr. Jie Han will …

Registration open for 2019 IECA Annual Conference and Expo

October 30, 2018

The International Erosion Control Association (IECA) will host their annual educational conference and expo Feb. 19–22, 2019, at the Colorado Convention Center in Denver. “IECA’s Annual Conference and Expo is the most beneficial event in the country for those involved in or concerned about soil and erosion control or stormwater management,” said Joanna Fetherolf, IECA’s …