I'm not a wood engineer, but I have one on speed dial. Wood strength
depends on tree variety harvested, growing conditions and moisture
content. Most engineered wood structures have heavy factors of safety
because of the wide variability.
Jon
john niolon wrote:
> I wonder where the specifications for tensile strength are ??? looked around
> on the internet ...found lots of specs on 'manufactured wood" but nothing
> on a common pine 2x10...
>
> I'm sure grade enters into the formula and percent of water and greeness..
> (hey !! I'm politically correct...I'm talking greenness) but I wonder how
> much stronger (resistance to breaking across the wide face when loaded) a
> 2x10 is compared to a 2x12... ???
>
> anyone hazard a guess
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