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Upper Chiquita Reservoir update

October 20, 2024  |  Case Studies, Features

This article is a review of the Upper Chiquita Reservoir project originally constructed in 2011 and today remains one of the largest and most challenging potable-water liner and geomembrane floating cover projects installed in the United States. The reservoir liner and floating cover have been in op…
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Ballast preservation system still providing protection against ballast fouling

October 10, 2024  |  Case Studies, Features

In February 2023, Geosynthetics magazine published a feature article titled “Innovative solution for ballast fouling.” The feature focused on the phenomenon of ballast fouling where mud from saturated soil conditions migrates up into the sub-ballast and ballast material in rail applications. The…
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The role of a biaxial geogrid in subgrade stabilization

October 1, 2024  |  Case Studies, Features

In the civil engineering discipline, the challenge of constructing durable and cost-effective roadways over problematic soils is a common yet complex issue. High-plasticity clay subgrades, known for their susceptibility to moisture and subsequent weakening, pose significant hurdles. Traditional meth…
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Soil nail and shotcrete reinforcement for new roadway embankment

July 20, 2024  |  Case Studies, Features

Spring 2024 brought with it the grand opening of a one-of-a kind fossil park and museum in Gloucester County, N.J. Part of Rowan University in South Jersey, the new Jean and Ric Edelman Fossil Park and Museum includes 44,000 square feet of exhibit space above a former marl quarry, featuring a world-…
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Navigating landfill leachate requirements with geosynthetics

July 1, 2024  |  Case Studies, Features

How vital is landfill leachate management? Recent guidance from the U.S. Environmental Protection Agency (EPA) on the disposal of PFAS shows that leachate management is one of the core functionalities of a modern landfill—and perhaps one of its biggest selling points moving forward.
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The use of bituminous geomembranes (BGM) in reservoir applications

April 10, 2024  |  Case Studies, Features

The relentless growth of the global population over successive decades has placed a significant strain on the demand for food and potable water resources, necessitating a more efficient approach to water storage reservoirs. As the prevalence of drought intensifies, it becomes imperative to address t…
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Geosynthetics embankment with seismic resilience for highway

April 1, 2024  |  Case Studies, Features

The tectonic movements caused by earthquakes seriously affect the stability of infrastructure. Highways that pass through seismic fault zones are particularly vulnerable to catastrophic earthquake damage because of their long lines and broad areas. The traditional solutions for these problematic sit…
Trout Unlimited rehabs Wisconsin river

February 10, 2024  |  Case Studies, Features

There’s something about cold, bubbling trout water that can relax almost anyone (Figure 2). Thus, it is imperative to conserve and restore our precious streams and rivers for future generations to experience and enjoy. With this in mind, the Lakeshore Chapter of Wisconsin Trout Unlimited (LSTU) un…
Improving the performance of geosynthetic reinforced SRW by design

February 1, 2024  |  Case Studies, Features

Generally, using current design standards (e.g., any AASHTO edition), geosynthetic reinforced segmental retaining walls (SRW) have performed well. However, there exists scenarios that predispose such systems to poor performance, particularly inadequate reinforcement within the wall system and in the…
Geogrids provide answer to access issues at Scottish wind farm

February 1, 2023  |  Case Studies

Wrekin Products Ltd. recently provided the perfect solution for one of Scotland’s major sustainability initiatives after being selected over two other manufacturers to create an economical access road at a new wind farm. The brand-new wind farm has been constructed in North Lanarkshire, Scotland, …