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Geomembrane-capped landfill PV Solar Plant named 2023 Project of the Year
June 8th, 2023
Every year the American Society of Civil Engineers (ASCE) New Jersey Section recognizes and celebrates outstanding individuals and projects that have made significant contributions to the civil engineering industry in the state of New Jersey within the past calendar year. This year's 2023 Project of the Year winner has been awarded to the GEMS Landfill PV Solar Plant. […]
Why have most geotextile artificial reefs never really worked?
June 7th, 2023
Artificial surfing reefs are a technology that has come with a lot of hype, but famous failures such as Boscombe in the United Kingdom have made man-made reefs the surfing equivalent of Don Quixote tilting at windmills. Time and time again, we’ve seen hopeful coverage during the planning stages, only for the projects to go over […]
Pathway to truly sustainable geotextiles
June 6th, 2023
For several geotextile applications, longevity and durability are important factors in order to fulfill their function in soil reinforcement and protection. However, geotextiles with a much shorter life-span, which are designed to degrade after a certain time period, are in demand. Biodegradable geotextiles are perfect for applications where once they have completed their task they […]
Seaman Corporation honored for commitment to community
June 5th, 2023
The United Way of Wayne and Holmes counties in Wooster, Ohio has named Seaman Corporation the 2022 winner of the Stanleys Cup, in recognition of the company's long history and engagement with the community Seaman Corporation associates, left to right, Lisa Fogal, Kelly Gallion, Vicky Puster, and Tammy Hoffman were all donors to the United Way in […]
Flexible geomembrane chosen to resist harsh Australian conditions
June 2nd, 2023
Concept Environmental Services recently delivered a 10ml Concept Tank in Pilbara, Western Australia. Concept utilized its unique modular tank construction technology to deliver The Concept Tank in only 22 days. Operational within a month of arrival onsite, they delivered 10 million liters of potable water supply to the mine camp and mine operating activities. With […]
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 […]
Hybrid TMAX Calculating
June 1st, 2023
Q: As of 2020, there are new, updated designs for mechanically stabilized earth walls in AASHTO. In short, there are new methods to calculate the maximum force (Tmax) that incorporates design methods for extensible reinforcements (i.e., geosynthetics). They include limit equilibrium and stiffness methods. I was wondering if you can mix and match concepts from […]
A new look for Geo-Congress 2023
June 1st, 2023
In Hollywood, Calif., a walkway of stars honors those who have achieved greatness in the areas of music, sports, film and television. And just a few blocks away, Geo-Congress 2023 remembered its stars with a similar geotechnical walk of fame on the second floor of the Los Angeles Convention Center. Those in attendance were reminded […]
Geomembrane Residual Stress
June 1st, 2023
Q: We are getting a lot of uncertainty with our ASTM D5397 single-point notched constant tension load (SP-NCTL) stress crack testing. Can you shed some light on the situation? This uncertainty is frustrating our field personnel and holding up a rather large HDPE geomembrane liner installation for a massive landfill liner. A: You may be […]
The ASTM D1505 Method
June 1st, 2023
Q: I want to measure the density of a mineral-filled composite polymer mixture by the ASTM D1505 method. What liquid will be used for density measurement (density >1)? The products to be tested are made of either polypropylene or polyethylene with calcium carbonate and additives. We will be adding 50%–70% CaCo3 to the resin. A: […]