August 13, 2013
How to Build an Ice Wall Around a Leaking Nuclear Reactor

Here’s the crazy thing about the plan to build an almost mile long, 90-foot deep, subterranean ice wall around the Fukushima nuclear plant: It’s not really very crazy at all. Building cryogenic barriers sounds like the specialty of an obscure supervillain, but it’s a well-established technique in civil engineering, used regularly for tunnel boring and mining. Ground freezing was even tested as a way of containing radioactive waste in the 1990s at Oak Ridge National Laboratory and performed admirably.
Joe Sopko, the civil engineering firm Moretrench’s director of ground freezing, has spoken with several consultants about the details of the project, and he’s convinced it’s certainly possible. “This is not a complicated freeze job. It really isn’t,” he told me. “However, the installation, because of the radiation, is.”
Read more. [Image: TEPCO]

How to Build an Ice Wall Around a Leaking Nuclear Reactor

Here’s the crazy thing about the plan to build an almost mile long, 90-foot deep, subterranean ice wall around the Fukushima nuclear plant: It’s not really very crazy at all. Building cryogenic barriers sounds like the specialty of an obscure supervillain, but it’s a well-established technique in civil engineering, used regularly for tunnel boring and mining. Ground freezing was even tested as a way of containing radioactive waste in the 1990s at Oak Ridge National Laboratory and performed admirably.

Joe Sopko, the civil engineering firm Moretrench’s director of ground freezing, has spoken with several consultants about the details of the project, and he’s convinced it’s certainly possible. “This is not a complicated freeze job. It really isn’t,” he told me. “However, the installation, because of the radiation, is.”

Read more. [Image: TEPCO]

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    これ、聞いた瞬間に「…ダメじゃね?」って思ったんだけど、どうなの?でも成立してくれなきゃ困るどころの話じゃないんだけどな!
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