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Post Wind Load Calculation <br /> Determine the bending stress on the post from the wind load <br /> Windward wall wind pressure= 9.52 psf <br /> Leeward wall wind pressure= -7.66 psf <br /> Total wind pressure= 17.17 psf <br /> Total wall pressure to use= 17.17 psf(10 psf min.per code) <br /> L= 108 in Bending length of the post <br /> w= 15.03 pli Distributed wind load on the post <br /> Mpo= 10,955 Ibf-in Moment as a propped cantilever(w x L2)/(2 x 8) <br /> faPc= 304 psi Stress on the post from the distirbuted wall wind,=Mpe/S,< <br /> R= 609 lbf Total side sway force=3 x w x(L/8) <br /> mD= 1.00 Stiffness coefficient from diaphragm stiffness calculation, <br /> or 1.0 if wood sheathing in roof <br /> Q= 609 lbf Side sway force resisted by the roof diaphragm=mD x R <br /> WR= 15.0 pli The total distributed wind load resisted by the roof diaphragm=8 x((Q/(3 x L)) <br /> woost= 0.00 pli The total distributed wind load NOT resisted by the roof diaphragm <br /> for which the post must resist.WPost=w-wR <br /> Mcant= 0 lbf-in The moment in the post as a simple cantilever <br /> =woost x((L2)/2)(This value is 0 if roof is a wood diaphragm) <br /> cant 0 psi The fiber stress in the post from simple cantilever stress <br /> =Mcant/(2 x S.)(This value is 0 if roof is a wood diaphragm) <br /> MPost= 10,955 lbf-in The total moment in the post=(mD x Mpo)+Meant <br /> fb-Post= 304 psi The total bending stress on the post=(mD x fb_pc)+'leant <br /> Page 6 of 13 <br />