‘Criticality’ Bursts From Fukushima; Concrete Entombment Now PlannedSubmitted by SteveMT on Fri, 04/01/2011 - 13:25
Unfortunately, this is not a an April Fool's Day joke. Although the authorities have stated that Fukushima is not as bad as Chernobyl, the same 'Chernobyl Solution' is being planned, a concrete "sarcophagus." Already reported on the DP was the story that the concrete solution will not work. Is this solution another mistake?
Fukushima Workers Threatened by Heat Bursts; Sea Radiation Rises
By Jonathan Tirone, Sachiko Sakamaki and Yuriy Humber
Mar 31, 2011 7:23 AM MT
Japan’s damaged nuclear plant may be in danger of emitting sudden bursts of heat and radiation, undermining efforts to cool the reactors and contain fallout.
The potential for limited, uncontrolled chain reactions, voiced yesterday by the International Atomic Energy Agency, is among the phenomena that might occur, Chief Cabinet Secretary Yukio Edano told reporters in Tokyo today. The IAEA “emphasized that the nuclear reactors won’t explode,” he said.
Three workers at a separate Japanese plant received high doses of radiation in 1999 from a similar nuclear reaction, known as ‘criticality.’ Two of them died within seven months.
Fukushima Reactors to Be Entombed in Concrete
Mar 31, 2011, 2:12 AM
After a 9.0-magnitude earthquake and tsunami on March 11 crippled the Fukushima Daiichi nuke plant, the Japanese government has finally conceded it has lost the battle to contain radiation at four of the plant’s reactors and they will be closed down.
Details of what that will entail have yet to be revealed, but according to Bloomberg, Japanese officials are looking at ways of entombing the Fukushima reactors in concrete.
The government hasn’t ruled out pouring concrete over the whole facility as one way to shutting it down, Japan’s Chief Cabinet Secretary Yukio Edano said at a press conference today in Tokyo.
Concrete pumps to Fukushima
01 April 2011
Four more concrete pumping trucks are on their way to the Fukushima Daiichi nuclear power plant to help the effort to maintain fuel ponds.
Having overheated and suffered serious drops in water level, the used fuel ponds in the upper parts of damaged units 1, 3 and 4 were refilled by a number of ad-hoc means.
First came ineffective drops by helicopter, next was spraying from fire trucks. The situation was brought closer to control with the arrival of Hyper Rescue and Super Pump Truck from the Tokyo Fire Department, but it was an extra-large concrete pumping machine that has been most effective, particularly at unit 4 where steelwork obstructs spraying from the ground.