Buttressed Arch. Question for Ron N.

[BobDavis88 at aol.com]

Dale writes:
>   /_So a heavier wood would be a better choice than say spruce. 

Ron N responds:

You bet it would. For the mass, rather than for the strength 
as most assume.
Why not a steel plate for side brace, and steel I-beam for beams? Stiffness, 
mass, low cost, plentiful material.
Bob Davis
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