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Operators of three nuclear reactors currently shut down for regular inspections have said that they plan to restart their facilities despite growing safety concerns. www.asahi.com
( Hi, 公安調査庁c )

Plan F: Roll in the Putzmeister, fill the outer building with bentonite concrete, so the containment can then hold a full load of water, and they can fill it to the brim. Shore up the SFP at the same time that way. Of course, then you're screwed for access, but you kinda are anyway by this point.

I wonder what plan letter you reach before the myriad of complicating factors leaves one standing that has a hope in Hell of working.

For the non math people reading that is the third time we go to plan z.

Sanskrit offers a wealth of letters.

@Ralph Unger Someone could have just accidentally deleted it or didn't understand what it is. I probably have the Georgia link your talking about let me go check

TY Nancy for fixing the links :-)

Mark added my post and I think it should be under his name.

The bentonite I'm talking about is a clay, not concrete. Bentonite is an absorbent aluminium phyllosilicate, in general, impure clay consisting mostly of montmorillonite. There are different types of bentonites, and their names depend on the dominant eleme...
en.wikipedia.org/wiki/Bentonite

@elainekirk I don't know either. The NISA and Georgia links in with the daily reports went missing. I think whomever did the last cut and paste might have accidentally deleted them. I have both in my links at home and Ralph provided at least one of them. I guess we should add them back to the pinned somehow?

@all btw, I noticed they pre-heat water coming in out of the ocean before they use it. So maybe they don't need water as cold as we think they do to cool things?

@Ralph Unger MEXT is just various rad readings correct?

@marie rich if they could get one of the little all terrain bots (the ones capable of going over rubble) down in low enough could they pump in bentonite with a concrete hose?

Its little clay pellets, easy to disperse. And it settles and is drawn in to currents

@marie rich so if you get it near enough it does the rest itself

Wikipedia: Sodium bentonite

Sodium bentonite expands when wet, absorbing as much as several times its dry mass in water. Because of its excellent colloidal properties (see Odom ref below), it is often used in drilling mud for oil and gas wells and for geotechnical and environmental investigations.

The property of swelling also makes sodium bentonite useful as a sealant, especially for the sealing of subsurface disposal systems for spent nuclear fuel[1] and for quarantining metal pollutants of groundwater. Similar uses include making slurry walls, waterproofing of below-grade walls, and forming other impermeable barriers, e.g., to seal off the annulus of a water well, to plug old wells, or to line the base of landfills to prevent migration of leachate. It is also used to form a barrier around newly planted trees to constrain root growth so as to prevent damage to nearby pipes, footpaths and other infrastructure.

Sodium bentonite can also be "sandwiched" between synthetic materials to create geo-synthetic clay liners (GCL) for the aforementioned purposes. This technique allows for more convenient transport and installation, and it greatly reduces the volume of sodium bentonite required.

Various surface modifications to sodium bentonite improve some rheological or sealing performance in geoenviromental applications, for example, the addition of polymers.[2]

Sounds like a great multi use idea!

Idk why they didn't use it instead of the zeolite- works better. I just spread a bunch in my leaky pond. Took alot cuz the pond is about 1/2 acre, but it's cheap.

Just remember, Tepco, when I said the diaper stuff (superabsorbent polymer) I meant as a layer in the final concrete entombment- not the gushing pipe!!!