Geosynthetics Conference watch: Geosynthetics Conference 2020: CASE STUDIES

August 1, 2019

This summer the organizing committee will be hard at work developing the schedule and other features of the conference, to be held March 8–10, 2020, in Charleston, S.C. Its goal is to bring together a comprehensive array of case studies that focus on the many applications of geosynthetics as well as in-depth pre-show short courses …

Expansion of the Annacis wastewater treatment facility

Vancouver, British Columbia, Canada, is expected to grow to a total population of 3.4 million by 2041—an increase of about 1 million residents. The increased population will weigh heavily on the city’s existing infrastructure, requiring upgrades or new developments to fill the gap. A key initiative to help meet the region’s wastewater treatment needs is …

Geosynthetics are at the ready

Geosynthetics play a varied and important role in infrastructure, from liners and covers for reservoirs to landfill covers. They can be found in highway construction and in coal ash impoundments. They are part of the basic framework of public and private construction, supporting modern expectations for transportation, sanitation and reliable energy. The American Society of …

An innovative cover system to close an ash/sludge impoundment

By Paul C. O’Malley, José L. Urrutia and Don DiGuilio The two projects (confidential client) are industrial sites consisting of coal ash and by-product sludge located in the southeastern United States. The projects included 70 and 67 acres (28 and 27 ha) in closure areas, and the waste source consisted of industrial sludge with a …

Reviving the Palos Verdes Reservoir—Part 4

By John Heap and Chris Kelsey The active site work for the Palos Verdes Reservoir’s substantial update began in late 2016, advanced primarily throughout 2018 and concluded in the second quarter of 2019 with the filling of the reservoir. The project was immense for everyone involved, and with that has come the expected excitement, challenges …

The GMA Techline

Moderated by Robert M. Koerner, George R. Koerner and Y. “Grace” Hsuan A geotextile for unpaved driveway/road? Q: Is there any point in using a 150 g/m2 (4.4 oz/yd2) nonwoven geotextile in building an unpaved gravel driveway or gravel road? If so, what should be the most important characteristics of the fabric and what are …

GMA on the road

April and May are always busy months for the Geosynthetic Materials Association (GMA). Construction season is gearing up and the association is preparing to kick off its spring government relations activities. This year was no exception. GMA conducted its third state visit of the fiscal year by traveling to Wyoming; members attended key environmental and …

A minitube blanket for landfill gas collection and containment

By Stephan Fourmont, Pascal Saunier and Toraj Ghofrani Landfill gas (LFG) is produced during the decomposition of putrescible material in landfills. Often referred to as biogas, LFG is a source of odors and fugitive greenhouse gas (GHG) emissions. LFG is typically 40%–60% methane, which is 25 times more potent to affect climate change than carbon …

McCartney letter and IGS-NA happenings

IGS North America (IGS-NA) welcomes two new members to the board of directors. The board voted to add Kate Patterson of Klohn Crippen Berger as a co-opted board member. Patterson is a civil and water resources engineer in Vancouver, British Columbia, Canada, and brings a new perspective to the board of directors on geosynthetics in …

Commentary on flood abatement using geosynthetics

By Robert M. and George R. Koerner On Sept. 8, 1900, a Category 4 hurricane struck Galveston, Texas, which is situated on the Gulf of Mexico about 8 feet (2.4 m) above sea level. The storm created a 15-foot (4.6-m) storm surge, killing 8,000 to 12,000 people and causing massive destruction. Subsequently, four actions were …