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Re: Permanent Solution to Frozen Ground

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Brine?

William L. Polhemus, Jr. P.E.

5

> On Oct 3, 2014, at 5:25 AM, seaint06(--nospam--at)lewisengineering.com wrote:
> 
> I have a client with a spiral freezer that has ground heave below the 
> freezer.  I'm looking for a way to thaw the ground and keep it thawed. 
> The freezer is on a concrete slab on ground.  The slab steps up about 2 
> feet at the front of the freezer.  Around the other 3 sides the slab is 
> level with the freezer floor.  I can see the concrete wall of the 2 feet 
> step rotating outward due to the frozen soil below the freezer.  I can 
> also tell the freezer has lifted by observing the top of the freezer at 
> the front.  Since I have this 2 feet step I looking for a way to horizontally 
> drill below the freezer and insert some heating elements to thaw the ground. 
> I don't think a liquid or air system is feasible as I can only drill from 
> the front and the loop needed for air or liquid would not be feasible. 
> I'm thinking it needs to be some type of electric heating element that can 
> be inserted down a tube, perhaps as long as 20-30 feet, to warm the soil 
> and cause it to thaw and settle back down. Basically I'm looking for a 
> heating system that can be inserted horizontally in tubes at some interval 
> spacing to keep the soil from freezing directly below an existing freezer. 
> Any suggestions would be appreciated.  Also, any suggestions as to how to 
> horizontally drilling and insert a tube/pipe to encase the heating element? 
> 

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