Thursday, August 30, 2012

#Fukushima I Nuke Plant: New Fuel Assembly Taken From SFP in Reactor 4 Had Pebbles in It


They look like aggregates in concrete. How did they get inside the channel box?

Inspection was carried out in the Spent Fuel Common Pool building.

From TEPCO's Photos and Videos Library, August 28, 2012 "Soundness Investigation of the Unused (Unirradiated) Fuel Removed from Unit 4 Spent Fuel Pool at Fukushima Daiichi Nuclear Power Station":

(Click to enlarge.)




19 comments:

Anonymous said...

Maybe it it concrete from the building failure early on or the subsequent operation to clear the rubble to facilitate the fuel removal? Maybe they washed some building rubble into the SFP back in the days when they filled it blindly with a Putzmeister.

Anonymous said...

Pebble?

Anonymous said...

Might those pebbles have been there from before the accident?

Anonymous said...

Are you kidding me?

They want to try and distract the public with this crap?

Of course rocks fell in the spent fuel pool and jammed between the tubes in the rack. That's because some mysterious thing blew the building sky-high.

Why not spend a little engineering time trying to figure out what the mystery explosive charge that came from the dryer (machinery) pool was?

james

Anonymous said...

Those damn jellyfish must have put them there! How dare they, lowly creatures below humankind! DOES THIS CRAFT LOOK LIKE IT'S RADIOACTIVE?!

I don't need to listen to you citizens! You all lack deep consideration anyway!

m a x l i said...

After deep consideration, I conclude those pebbles where in the fuel assemblies since manufacturing. Nuclear fuel is being sold by the gram/kilogram/ton and some yakuza figures figured out how to make a few extra bucks. Sounds crazy? Not more crazy than the whole idea of finding the most dangerous method to boil water.

Anonymous said...

The pebbles got there because of the explosion.

Anonymous said...

follow, the blue lightening, or the workers behind the reactor late at night with flashlights.

Anonymous said...

& if these were the somewhat real pics from fukushima, they would be more fuzzy

Anonymous said...

When they go to sell that fuel assembly on the open market using Ebay, I don't think using listing guidelines that it will qualify as new.

arevamirpal::laprimavera said...

"Like-new, may have pebbles instead of pellets."

Anonymous said...

They really need to give those assemblies a good shaking when exiting the pool.

Atomfritz said...

Are you sure these are pebbles?
Thought these were Tepco beads.

m a x l i said...

+----------------------------+
| FUEL RODS
| Best before: 15 Mar 2011
| May contain nuts
+----------------------------+

Anonymous said...

For the new pebble bed reactor.

Atomfritz said...

More thoughts:

The "pebbles" look quite eroded, the sharp edges have been abrasioned. Like stones in a river.

But why?
New fuel assemblies do not develop any relevant warmth.
If you look at the map at this article http://ex-skf.blogspot.de/2012/04/fukushima-i-nuke-plant-reactor-4-spent.html then you'll find out that comparatively little debris has fallen on the new fuel assemblies.
Most has fallen onto the used ones.

So, why are the concrete pebbles eroded, rounded?
Could they have been originating from another location, and maybe swirled up and edge-cutted by the heavy convection when the pool was boiling violently?

Some questions to Tepco thus still remain:
-Which two unused fuel assemblies were extracted from the pool?
-What radioactivity was measured in the pebbles? Was it higher or lower than that of the debris pieces that haven't been rounded off? (Maybe there are no samples available of the latter ones)?

Anonymous said...

Just add a little cesium-enriched milk with a hint of strontium to those "cocoa pebbles" and the whole bio-accumulation process can be expedited for those stubborn,more healthy,"radiation-resistant" types who won't die and be processed into "Soylent-Green"(lol)to feed the servants fast enuff for their depopulation,control & economic recovery agenda's!! (A bowl of Fruity Pebbles sounds good right now though!!)LOL ;)

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Robert Pratt said...

plant machinery disposal must have been a pain.

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