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Need comments on Pier Construction?
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08-11-2007, 08:03 AM
Roger Davis
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Join Date: Nov 2004
Location: Sydney
Posts: 300
5mm would be ample. Strength across the diameter is not a function of wall thickness.
Foundry sand/Refractory sand ,close enough to the same thing.
Pyramid rightway up, but truncated. Picture the Giza pyramid with a plateau or mesa on top.
Roger Davis
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