Solmax liners help secure 10-day build of Wuhan hospital
April 1st, 2021
Workers involved in the installation of the Solmax liner for the Huoshenshan Hospital in Wuhan, China. Photograph courtesy of Solmax In late January 2020, just before the Chinese Lunar New Year, the COVID-19 pandemic broke out in large areas of Wuhan, Hubei Province, China. The city went into lockdown on Jan. 23, 2020, with the […]
Modular geosynthetics construction
April 1st, 2021
By Edward J. Silva, T. D. Stark and Duff Simbeck Modular construction is a process in which a building or other item is constructed primarily off-site; under controlled factory conditions; and using the same design, materials, equipment, testing and construction quality control and assurance (CQC/CQA) techniques as a field-constructed facility—but usually in about one-half the […]
FGI holds biennial meeting and introduces officers, board
March 11th, 2021
By Timothy D. Stark and Jennifer Miller The Fabricated Geomembrane Institute (FGI) held its Biennial Membership Meeting on Feb. 24, during the 2021 Virtual Geosynthetics Conference. The meeting was attended by 26 people. During the membership meeting, the newly elected FGI officers and board of directors were introduced to begin their two-year terms. Before introducing […]
Impermeable geomembrane for a Baltimore reservoir cofferdam
February 22nd, 2021
Druid Hill Reservoir is a one-billion-gallon (55-acre) potable water storage reservoir that supplies Baltimore, Md., and surrounding counties. Druid Hill Reservoir was constructed between 1863 and 1871 and is one of the largest earthen dammed lakes in North America. In 1971 it was named a National Historic Civil Engineering Landmark by the American Society of […]
Raven adds smooth-edge technology to extruded geomembranes
February 8th, 2021
Raven now offers HydraLine in 23-foot (7-m) wide seamless, smooth-edge, textured mill rolls. Raven Industries Inc. announced that its Engineered Films division has incorporated new smooth-edge technology onto its seven-layer barrier extrusion line for the production of 23-foot (7-m) wide textured sheet geomembranes. The new smooth-edge extrusion process creates a high-quality smooth surface edge on […]
The GMA Techline
February 1st, 2021
Moderated by George R. Koerner BIOLOGICAL DEGRADATION OF PE AND PP Q: Can you please enlighten me on the biological degradation of polyolefin polyethylene (PE) and polypropylene (PP)? A: Within the various plant forms of biological life, i.e., bacteria, actinomycetes, fungi and algae, polymer degradation is essentially nonexistent due to high molecular weight of the common […]
Bituminous geomembranes (BGM) for ponds in mining
February 1st, 2021
By Natalie Daly and Bernard Breul FIGURE 1 RUSAL Alumina clarifier pond bituminous geomembrane (BGM) liner, Ireland Bitumen has emerged as a standard 20th-century waterproofing material in civil and water engineering in the form of bituminous concrete, asphalt and bituminous geomembranes. The first applications of bituminous geomembranes (BGM) were in France in 1975 near Grenoble […]
FGI to host webinar on geomembrane attachment and penetration design and installation
January 21st, 2021
The Fabricated Geomembrane Institute (FGI) will sponsor a webinar, “Geomembrane Attachment and Penetration Design and Installation,” on February 4, at 11 a.m. CST. The webinar is free to industry professional and students, and 1 PDH is available. The webinar will provide an overview of industry norms for sealing and attaching of geomembrane liners to pipe […]
FGI offers webinar on the Yeager Airport RSS failure
December 15th, 2020
The Fabricated Geomembrane Institute (FGI) will sponsor a webinar, “Yeager Airport RSS Failure: Forensic Limit Equilibrium and FLAC Analyses,” on Jan. 14, 2021, at Noon CST. The webinar is free to industry professionals and students, and 1.0 professional development hour (PDH) is available. This webinar will discuss the forensic limit equilibrium and continuum deformation analyses used […]
Environmental Protection Inc. shares tips on cold weather installation of geomembranes
December 10th, 2020
As the seasons change and temperatures shift, Environmental Protections Inc. (EPI) has put together some suggested installation methods during cold weather conditions. No surprise that location and climate may play a larger role than originally planned in the seasonal changes. With the goal to protect your project and material, the best way to do this […]