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Originally Posted by seadragon
Hello DerWaschbär
If the use of rock socketed caissons and nothing new in high rise construction was sufficient for such structure...
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The mat resolves horizontal forces. It doesn't bear on the earth below.
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the cracks expand during the winter deep freeze
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The frost line in Chicago is 42"...
Yes this is.
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result in the caissons to migrate slightly outwards
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Bro, did you see all that vertical rebar?
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It's not "initial volcanic gases" or any form of "out gassing" from the rock...
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Whoosh