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Two-part short course – Subgrade Preparation & Use of Geosynthetic Clay Liners for Flexible Geomembranes – April 9 & 10
April 3rd, 2024
The Fabricated Geomembrane Institute (FGI) is presenting a two-part Short Course on Subgrade Preparation & Use of Geosynthetic Clay Liners (GCLs) for Flexible Geomembranes. The short course will be held Tuesday, April 9, 2024 12-1:30 pm CDT and Wednesday, April 10, 2024 12-1:30 pm CDT. The course is free, a 3.0 PDH is available and […]
Webinar – FHWA Low-Carbon Transportation Materials Program – April 4
April 2nd, 2024
The Federal Highway Administration (FHWA) Low-Carbon Transportation Materials (LCTM) Program will host an informational webinar on Thursday, April 4, 2024 from 2:00 to 3:00 p.m. ET. The purpose of the webinar is to provide general information on the LCTM program and to inform potential applicants on the application process and program requirements. Registration is required […]
Webinar -Alternative Closure Solutions to Traditional Soil and Geosynthetic Closure Systems– April 10
April 2nd, 2024
AGRU America is presenting the webinar - Alternative Closure Solutions to Traditional Soil and Geosynthetic Closure Systems – on April 10 at 1 p.m. EST. It is free for members and non-members, a PDH credit is available, and you can register here. Traditional systems using soil with a combination of geosynthetics have been the preferred […]
Navigating unexpected contaminants with your geomembrane system – Part 3
April 2nd, 2024
By Felon Wilson Unexpected contaminants coming in contact with an existing geomembrane system are real situations. In the final post of this series, three examples of situations that occurred will be presented, along with the project considerations and the outcome. In all three of these examples, the geomembrane did not require complete removal and replacement, […]
FHWA offering $44 million in Active Transportation Grants
April 1st, 2024
The Federal Highway Administration (FHWA) has opened applications for up to $44.5 million in funding for projects that will strengthen safety and improve bicycling, walking, and access to public transit in communities across the country. Photo courtesy of the Ohio DOT. The agency said that grant funding – which comes through its new Active Transportation Infrastructure Investment […]
Quality control factory fabrication of flexible geomembranes guide
April 1st, 2024
The Flexible/Fabricated Geomembrane Institute (FGI) has expanded its mandate to include providing industry education, support, and technology transfer on the use of flexible geomembranes that can be factory fabricated into large panels. Case in point is the unveiling of its new Factory Fabrication Guideline that presents a minimum quality control (QC) system for factory fabrication, […]
Reflecting on the Robert M. Koerner Lectures
April 1st, 2024
Dr. Robert Koerner, right, with Dr. J.P. Giroud, the 2023 Koerner Lecturer. The Robert M. Koerner Lectures have become a cornerstone in the field of geosynthetics and geotechnical engineering, offering a platform for experts to share their insights, advancements and experiences. As we delve into the past, present and future of these lectures, we uncover […]
Geosynthetics for marine structures
April 1st, 2024
Q: Are geosynthetics allowed to be used in marine structures? I am concerned about plastics in the environment and emission of plastic additives and their degradation by-products. A: Geosynthetics have provided a wide range of solutions for many types of marine structures including revetments, levees, jetties, breakwaters and offshore structures for the past 40 years. […]
Geotextile quality issues
April 1st, 2024
Q: We are performing certified quality auditing (CQA) at a jobsite and having major quality issues with the geotextile delivered to the site. For example, the mass per unit area is low, all mechanical properties are below specification, the permittivity and apparent opening size (AOS) are low. We are afraid to check the endurance property […]
Temporary interim covers
April 1st, 2024
Q: I am writing to inquire if you are aware of any recommendations or guidelines for removal of geosynthetic liners that have been used as temporary interim covers at landfills. We recommend facilities totally take up and remove the temporary cover; however, we have had some recent proposals to run over the liner with heavy […]