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IGS Webinar – An approach to high-density polyethylene (HDPE) geomembrane selection for challenging design requirements – October 25
October 21st, 2022
A webinar on An Approach To High-Density Polyethylene (HDPE) Geomembrane Selection For Challenging Design Requirements by Dr. Fady B. Abdelaal will take place on October 25, 2022 at 9 p.m. Eastern Time (U.S. and Canada). You can register here. An approach for selecting a high-density polyethylene (HDPE) geomembrane for a long design life is presented […]
Geomembrane destructive testing
October 1st, 2022
Figure 1. Site 1 pond replacement For almost 40 years, the generally accepted destructive test rate for geomembrane seaming has been one sample for every 500 feet (152 m) of seam. On large projects this leads to hundreds of holes cut into liners that engineers, manufacturers and installers work very hard to make leak proof. […]
Caution!
December 20th, 2016
The recent bad weather in the USA (low temperatures, fast-dropping temperatures, and strong winds) provides ideal conditions for rapid crack propagation (RCP), “shattering” in exposed high-density polyethylene (HDPE) geomembranes. It is advised that such exposed HDPE geomembranes be carefully monitored for short slow crack growth (SCG), stress cracks along the edges of extrusion welds especially […]