Evidence to prove reactor2 also possibly exploded in 311 was found / Hole on suppression chamber
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On 1/30/2014, Tepco announced there is a hole on suppression chamber of reactor2 from their simulation.
Reactor2 has been a “mystery” of 311. Some workers heard the explosive sound but no explosion was observed like other reactors. However, the building is severely contaminated and it hasn’t been known what actually happened in reactor2. The new simulation result strongly supports reactor2 also went under some explosion in 311.
(cf, [Column] (Back in 2011) Shock strong enough to shake outside of the reactor, deep enough to keep the building sound [URL])
Tepco has been attempting to measure the water level in suppression chamber of reactor2 since last September. However, because the suppression chamber was deteriorated worse than anticipated, they couldn’t obtain the credible data in the first investigation. (cf, Tepco “Suppression chamber of reactor2 is more deteriorated than expected” [Tepco : “La salle en Surpression du réacteur 2 est plus abimée que ce qu’on pensait”])
From 1/14/2014 ~ 1/16/2014, Tepco investigated the water level by ultrasonic waves again and confirmed the water level was around 5.7m from the bottom of suppression chamber. In three measurements, the water level was always 10 ~ 30mm lower than outside of suppression chamber.
From these gaps of the water level, Tepco simulated there is possibly a hole of 8~9 cm2 on the suppression chamber.
Preuve de l’explosion du réacteur 2 en mars 2011 : on a trouvé un trou dans la chambre en surpression Note : Merci de lire le Fukushima Diary. Le Fukushima Diary repose avant tout sur vos dons.
Les virements mensuels sont très appréciés.
Le 30 janvier 2014, Tepco annonce que selon leur simulation il y a un trou dans la chambre en surpression du réacteur 2.
Entre le 14 et le 16 janvier 2014, Tepco a recherché le niveau de l’eau en utilisant des ultrasons et a pu ainsi confirmer que ce niveau était à environ 5,7 m du fond de la chambre en surpression. Après trois relevés, le niveau était toujours entre 10 et 30 mm inférieur à celui de l’extérieur de la chambre en surpression.
A partir de cette différence entre les niveaux, Tepco en est venu à simuler la un trou de 8 à 9 cm² dans la chambre en surpression.
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This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.