Fukushima buildings sinking — Structures decaying, getting more unstable

nuclear-news

fuk buildings sinking july 29 2015

Tepco handout (pdf), summary translation by Fukushima Diary, Jul 21, 2015 (emphasis added): Tepco announced Fukushima plant area has irregularly sunk since 311… The report reads Reactor 1 turbine building sank by 730 mm [2.40 ft], Reactor 2 by 725 mm, Reactor 3 by 710 mm, Reactor 4 by 712 mm.

IAEA Headquarters (pdf), 2015: We know that the buildings will decay and become less stable… there is the dilemma of 1) gathering more information… and 2) acting earlier and maybe not having enough information to make good decisions.

IAEA Nuclear Energy Series (pdf), 2014: The impact of the salt on the corrosion of structural materials had to be assessed and measures taken accordingly to retain integrity.

Lake Barrett, Tepco adviser (pdf): Reactor building structure has likely been degraded… Explosions Weaken RB Structure… Aftershock May Cause Building Failure — Issues: … Aftershock

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