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…
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…
ATA restructures several divisions, launches redesigned website

August 1, 2023  |  Update

After much thought and discussion with its board of directors, division advisory board leadership and other stakeholders, the Advanced Textiles Association (ATA) has restructured some of its divisions to create greater member engagement, improve staff and volunteer efficiency, and allow for a focus …
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…
’23 summer highlights

August 1, 2023  |  GMA News

It’s been another busy summer for the Geosynthetic Materials Association (GMA) and that activity will continue into the fall. We kicked off the summer in early May with our second Geosynthetic Infrastructure Morning at the Outlook Conference held at the Westin Poinsett in downtown Greenville, S.C.…
Mining and erosion control

August 1, 2023  |  ECTC News

Erosion control, sediment control, revegetation and dewatering activities are common at mining sites. The Erosion Control Technology Council (ECTC) is a leading industry organization home to top manufacturers of erosion and sediment control products, component suppliers, material distributors and te…
Need for substitute surfactant for ASTM D5397

August 1, 2023  |  GSI News

It has been brought to our attention by the ASTM task group regarding ASTM D5397, Standard Test Method for Evaluation of Stress Crack Resistance of Polyolefin Geomembranes Using Notched Constant Tensile Load Test, that the surfactant used in this experiment (Igepal CO-630) is a regulated substance i…
IGS North America update: Education in the spotlight

August 1, 2023  |  IGS-NA

IGS North America (IGS-NA) has an educational mission, focused on both today’s contributors to the civil engineering field and tomorrow’s (students). With regard to students, the 2023-2024 IGS-NA board has numerous irons in the fire.
Road slope stability in Auckland, New Zealand

August 1, 2023  |  Final Inspection

Red Hills is a 400-lot residential development situated in Westgate, Auckland, New Zealand. This north-facing, elevated greenfield site sits on sloping land, with steep batters surrounding each block of housing to create the maximum amount of usable land. With some slopes steeper than 1V:2H, there w…
Cross USA Lecture Tour

August 1, 2023  |  Editorial

If you haven’t had a chance to catch the Geo-Institute (G-I) of the American Society of Civil Engineers 2022–2023 Cross-USA Lecture Tour, you still have a few opportunities to do so. This ongoing program for local G-I chapters and graduate student organizations is available to enhance the presti…