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…
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Premier Product Showcase 2024

February 1, 2024  |  Features, Premier Product Preview

Here is your first look at some of the new products and services that will be available from companies in 2024. 
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Cation exchange processes in GCLs

October 20, 2023  |  Features

Geosynthetic clay liners (GCLs) are multi-component materials commonly used in hydraulic barrier systems in applications ranging from different types of landfills to waste ponds to additional liquid containment applications. Conventional GCLs consist of a thin layer of montmorillonite clay (i.e., be…
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Leveraging soil nail technology for MSE retaining wall

October 10, 2023  |  Features

The Domain at Phipps Plaza is a luxury condominium development in the well-traveled and populated urban area of Buckhead in Atlanta, Ga. This 319-unit mid-rise residential complex is within a mixed-use area that incorporates hotels, office space, high-end shopping, theaters and restaurants.
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Airports zone in on geosynthetics

October 1, 2023  |  Features

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 weight, which is no small task in areas that may be swampy, dry, or subject to heavy rains, earthquakes or myriad other challenging soil conditions.
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Lake Forest reservoir relining and floating cover

August 29, 2023  |  Features

Geosynthetic floating covers provide a highly sustainable and economical method of protecting and treating fresh and potable water. They are designed to protect fresh water from environmental contamination while eliminating water losses due to evaporation. Case in point is the Seattle Public Utiliti…
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Searching to maximize stress reduction ratio with biaxial geogrids and timber piling

August 10, 2023  |  Features

Some projects almost design themselves. Dense sand? Very stiff clayey soils? Deep groundwater? Well, projects within the collar counties surrounding Cook County and the city of Chicago occasionally encounter a different sort of soil beast: peat and muck. Largely plant-based deposits settled in kettl…
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Best practices-Working toward zero leaks

August 1, 2023  |  Features

The Uinta Basin in northeast Utah is known for its extensive in-place oil shale resource. Because this area produces crude with low containment levels, it contributes to the production of fuels that are compliant with the most rigorous environmental standards. When XCL Resources was tasked with buil…
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Powering through extremes: Fuel containment in Moose Creek

June 1, 2023  |  Features

Alaska, the Arctic, and similar cold weather regions are expected to play a key role in supplying future energy needs for the world. As energy resources continue to be pursued in these extreme climates to meet the energy demands of society, protection of our natural resources is essential. Primary a…
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Hugo, Colo., wastewater treatment system improvements

June 1, 2023  |  Features

Around 1859 the town of Hugo, Colo., was developed as a cattle ranching community to supply miners with provisions and to serve as a local stagecoach stop. It was officially founded in 1870 and incorporated in 1909; this frontier community of 786 people is located off I-70 east of Denver, and 30 mil…
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