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The importance of geomembrane flexibility
September 24th, 2024
By Brian Fraser, Vice President Layfield Geosynthetics 40 mil unreinforced PVC liner This article discusses the importance and benefits of flexibility in geomembranes. It includes understanding the differences in flexibility by geomembrane polymer type and geomembrane structure, including reinforced and non-reinforced. It also discusses different test methods for determining geomembrane flexibility. Benefits of flexibility Geomembrane flexibility is […]
FGI webinar – Geosynthetics Case Studies – Aug. 22
July 30th, 2024
The Fabricated Geomembrane Institute is presenting the webinar - Geosynthetics Case Studies - on August 22, 2024 at noon CDT. Pre-recorded times are: August 23, 2024 at Noon AEST (Pre-recorded - Australia) Potts Hill Reservoir Project August 23, 2024 at Noon CAT (Pre-recorded - South Africa) August 23, 2024 at 5 pm JST (Pre-recorded - […]
Repeatability and reproductibility of standard oxidative induction time and high-pressure oxidative induction test methods
July 11th, 2024
By Rohit Sati M.Sc., and Deep Gulati P. Eng The term HPOIT was first introduced in 1990 when a new type of stabilizer was introduced to enhance the ultraviolet performance of thin film polymeric products. Hindered Amine Light Stabilizers (HALS) were used to stabilize and protect clear or transparent polyethylene films from degradation due to […]
Addressing geomembrane ‘whales’: Preventive strategies with Hydranet
April 23rd, 2024
Layfield Geosynthetics is a trusted problem-solving partner in the geomembrane community. Clients rely on them when they encounter issues such as geomembrane liners floating near or above the surface of containment ponds, commonly known as “Whales” or “Hippos.” These occurrences are often a result of water or gas collecting under the geomembrane, causing it to […]
Premier Product Showcase 2024
February 1st, 2024
Here is your first look at some of the new products and services that will be available from companies in 2024. Information for this special section was provided by companies who submitted materials to us before the publication deadline. All photographs are courtesy of the company listing the product/service. Geotechnical Frontiers is coming back in […]
Webinar – Protecting Water with Flexible Geomembranes – Feb. 8
January 19th, 2024
Fabricated Geomembrane Institute (FGI) presents the live webinar – Protecting Water with Flexible Geomembranes – on February 8, 2024 at noon CST. It is free to industry professionals and students, a 1.0 PDH is available, and you can register here. Pre-recorded webinars are also available: February 9, 2024 at Noon AEST (Pre-recorded - Australia) February […]
Biofilter rehabilitation at Toronto’s Humber Wastewater Treatment Plant
July 17th, 2023
The Humber Wastewater Treatment Plant was originally constructed in 1960 and is Toronto’s second largest wastewater treatment plant. It services approximately 680,000 residents with an annual capacity of 473,000m3. The facility has undergone extensive upgrades to improve air quality and odor issues, including the biofilters. The biofilter system consists of a group of concrete tanks […]
Layfield Geosynthetics awarded Highlands 2 Reservoir
June 1st, 2023
Layfield Geosynthetics (USA) was recently awarded the supply and installation of a new CSPE liner and floating cover system for the Pittsburgh Water and Sewer Authority’s Highland 2 Reservoir. The project includes demolition of the old liner and cover and fabrication and construction of a new 840,000 ft2 (78,000 m2) 60 mil CSPE liner and […]
GEOWEB Load Support System provides soil stabilization solution for sawmill log yards
August 8th, 2022
Frequent use of heavy machinery and poor soil conditions at sawmill log yards present serious and costly challenges when it comes to daily operations. Due to remote locations and varying weather conditions, owners must often contend with regular maintenance that can halt operations and stretch budgets. Such was the case for Canadian Forest Products Ltd. […]
Layfield’s Fraser joins GSI board
April 20th, 2022
Layfield’s Fraser joins GSI board of advisors, bringing his 40+ years' experience in the geosynthetics industry to GSI. Brian Fraser joins GSI board of advisors. Photograph courtesy of Layfield Group Ltd. The Layfield Group Ltd. announced that Brian Fraser, vice president of business development for Layfield Geosynthetics, has been appointed to the Geosynthetic Institute (GSI) […]