Title: Fukushima with Arnie Gundersen
Source: KZYX’s Renewable Energy Hour
Hosts: Doug Livingston and Jeff Oldham
Date: Sept. 9, 2013
At 30:30 in
Arnie Gundersen, Chief Engineer at Fairewinds Energy Education:
The seismic response of these buildings is not really designed for moist soil. The soil’s a lot wetter now than it was when the plants were designed.
So, now you’ve got plants essentially sitting in a mud. And so their seismic response in the event of a severe earthquake is going to be much worse – in other words they might topple.
If they build and keep the water in, they risk changing the seismic characteristics of the building, and that’s not a good thing […] something called liquefaction — when you have water and soil together and you shake it just right – the soil essentially disappears, taking buildings with it.
It can happen at Daiichi because of the things that Tokyo Electric is doing to keep the radiation from getting into Pacific.
Published: September 17th, 2013 at 2:33 pm ET
- Asahi: Buildings at Fukushima plant can start floating from too much groundwater — Expert: Blocking groundwater with ice wall may weaken soil and cause buildings to topple (AUDIO) September 18, 2013
- “Big Problem”: Cracked floors in Fukushima reactors leaking into groundwater that’s rising and rising and rising due to Tepco wall — “Can no longer be stopped from getting in ocean” — “Worse than that… buildings now on mushy land” (AUDIO) August 28, 2013
- Nuclear Expert: Fukushima is a pretty close approximation of ‘The China Syndrome’; Melted fuel cores burned through containment vessels and material is below reactor structures mixing with groundwater — Essentially it’s a machine that’s washing radioactivity into the sea (AUDIO) November 4, 2014
- Radio: Sinkhole potential at Fukushima plant from pumping up groundwater? Nuclear Expert: Yeah, that’s a very good point — May very well happen if workers take out too much water from an area (AUDIO) September 25, 2013
- Officials concerned ice wall to “trigger significant subsidence” and further endanger reactor buildings — Risk of more nuclear material ‘spilling out’ of basements due to dramatic change in groundwater — Numerous hazards “could undermine the plant” — “Impact on entire situation” still being studied (VIDEO) June 3, 2014