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Transitioning from 30 MIL PVC geomembrane to 60 MIL HDPE
February 1st, 2023
Q:I have a client that operates a Subtitle C landfill that utilizes a double-liner system of 30 mil (0.76mm) PVC geomembrane for the base liner. They are wanting to evaluate the possibility to transition from 30 mil (0.76 mm) PVC to 60 mil (1.52 mm) high-density polyethylene (HDPE) geomembrane for the base liner system. In […]
Controlling uplifting gas bubbles in exposed geomembrane-lined ponds—Part 3
April 1st, 2018
Part 1 of this series (Thiel 2017) demonstrated how the size, shape, pressure, and stresses and strains experienced by geomembrane bubbles inflated with gas could be analytically estimated. Part 2 of this series (Thiel 2018) evaluated the considerations for incorporating a gas-venting underdrain below the geomembrane liner. The current, and final, Part 3 of this […]