Tepco announces latest nuclear accident analysis results

According to reports, the latest analytical results of the nuclear reactor at the Fukushima Daiichi nuclear power plant were recently announced. Within four to 77 hours after the earthquake, the furnace cores of nuclear reactors No. 1-3 began to suffer varying degrees of damage.

According to the “Yomiuri Shimbun” report of Japan, on March 12, Tokyo Electric Power Company announced the latest analytical results of nuclear reactor core status after the accident at No. 1 and No. 3 reactors of the Fukushima Daiichi nuclear power plant.

This assessment test was originally published in May 2011. However, because the value of the nuclear reactor's pressure was found to be inconsistent with the actual measured value, the report was then overturned and reanalyzed.

From the analysis results, it is known that the damage of No. 1 reactor pressure vessel occurred at about 1:50 am on March 12, 2011, and it took approximately 11 hours from the “3.11 earthquake”. This analysis result is higher than the previous one. The result was 4 hours earlier. The damage to the hearth occurred four hours after the earthquake and was the same as the previous analysis. However, the time for all the fuel to dissolve was 9 hours after the earthquake, which was 6 hours earlier than the previous analysis. .

The damage time of the hearth of reactor No. 2 was the same as that of the last analysis. It occurred 77 hours after the earthquake. The damage of reactor No. 3 occurred after 44 hours after the earthquake. The result was 2 hours late.