VDOT Route 159: Slope stabilization with GCS and shotcrete solutions

August 11, 2025  |  Case Studies, Features

GeoStabilization International was called to assess an active slope failure along a 100-foot section of Route 159. The area showed visible signs of distress.
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Geosynthetic Reinforcement: A Sustainable and Economic Solution for Texas State Highway 21, Part 2

June 26, 2025  |  Case Studies, Features

With such proven confidence in the geosynthetic-reinforced asphalt overlay design, TxDOT considered rehabilitation of another stretch of SH21 roadway in Bastrop County.
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Geosynthetic Reinforcement: A Sustainable and Economic Solution for Texas State Highway 21, Part 1

June 2, 2025  |  Case Studies, Features

The Texas State Highway 21 (SH21) spans through 12 different counties between San Marcos, Texas, on the west and the Texas-Louisiana border on the east, measuring approximately 500 km (310 miles). Most of this roadway has been constructed over an expansive subgrade soil with very high swell-shrink p…
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Road widening and slope restoration with geosynthetic reinforced soil slope

April 1, 2025  |  Case Studies, Final Inspection

The Owerri-Orlu Road in Imo State, Nigeria, is a crucial transportation artery, linking the capital city of Owerri with the vibrant commercial hub of Orlu. Recognizing its strategic importance, the government launched a major project to rehabilitate and dualize the road, aimed at enhancing regional …
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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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