Where would I go for guidance on structural design of footings that sit on top of high-density insulation?

Douglas Bennion Published: July 31, 2019, 4:34 p.m.Last updated: Dec. 1, 2019, 8:56 p.m.

I'm not concerned with the compression issue, but rather how the lateral (shear) loads get transferred from the concrete footing into the soil, via the insulation layer.  DJB

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