Part 1: Controlling uplifting gas bubbles in exposed geomembrane-lined ponds

October 1st, 2017 / By: / Feature

There is a substantial legacy of literature devoted to the design, construction and operation of geomembrane-lined ponds, with perhaps the best and most complete reference being 34 years old by Giroud (1983). Even with this long history, there continue to be problems and failures with lined ponds. One of the problems continuing to plague the […]

 

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One response to “Part 1: Controlling uplifting gas bubbles in exposed geomembrane-lined ponds

  1. At Clearwater Bay in Hong Kong when John Cowland and I knew there was a potential for air entrapment due to the fissured limestone subgrade we were able to install an underliner ventilation system to prevent hippos from forming.
    However in a recent conversation with an unnamed landfill operator in Asia I was told that ‘we got rid of those hippos’. When I asked how I was told that the solution was a 12 guage shot gun. Oh Well.
    More seriously I should refer readers to the paper by Fred Gassner at the ICG in Berlin.

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