MasterCaneman
Posts: 3842
Joined: 3/21/2013 Status: offline
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It's called cut and cover. Essentially, you carve out the lower half of the structure layout, lay in the true foundation and superstructure, and cover with the soil excavated before. Faster, cheaper, and if something goes wrong, it isn't with a few hundred tons of earth coming down and refilling the hole. I'd provide a graphic, my my web-fu is weak right now. But still good enough for the win!
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Age and treachery will always overcome youth and ambition. The supreme art of war is to subdue the enemy without fighting. ~ Sun Tzu Goddess Wrangler
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