Re: Shed on skids-framing question
Rule of thumb: A beam supported on both ends can span 4x the distance of a cantilevered beam. So if the skids were 8' apart, the cantilever would be 2' on either side, for a 12' total. The trick here is that this rule assumes an evenly distributed load, and you'll have the wall load concentrated on the ends of the joists.
On the other hand, the skids will probably sink right into that expansive clay. Put down a raised gravel pad first maybe.
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