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Member Strraa Rusutts <br /> Access the Member Seiaion Stresses spreadsheet ty se.ect,ng tee Rewlts menu aie then selecting Members P <br /> Stresses. <br /> these are It •1.: .: '`'=>>'7 calculated a'nnl;each dLl.;member The number of sections for which stresses are <br /> reported iK cordtallled by the Number 01 Sections specified on the Global su :;_.r The actual number of segments is <br /> this Number 41 Saclions ininuS 1. Inc increment al rtrngth u1 each Segment is the same For example, if you srmrity 5 <br /> ,nctinrir,, thu member'is divided into 4 equal pieces,aed the stresses are reported for each piece. <br /> There wilt be their stress values hetert for each Section location along the err ehcr taking into ficcOuiit.i.ry 'r.i*itrr•' <br /> eIh,feler theWet:,for t'tt stresses arc sl iuwi i di tree ton CO.each column. Ai for the sign convention.1 tie sa(.;nc of them <br /> results correspond to the signs of the forces. These line up as positive or negative according to the member 1or:nl axis <br /> directions. <br /> The axial stress is Ilse ratio P/A,where P is the section axial force A positive stress is compressive, vi+tiar the sign el <br /> the stress follows the_era nr t`ia_;r <br /> The shear stress is ealcuiolyd ac V/S A.whore S A is the e'prhve rhosei =,e, For members root rte tined with a section <br /> set H watue of 1,2 is used for the shear area coefficient SA <br /> The bending stresses are calculated using the faminer equation M•c/I,where'll is the Ueritti+ir nnlnlnnt,'r'eta the <br /> distance from the neutral axis to the extreme fiber and 1'is the merrient of inertia The stress ter the suet kale.ex.liemer <br /> eclgo is listed with respect to the positive am]negative teructlanS of the 110; !;??!i c rr_e_e..A uosieee sires!,is <br /> COrlipre$51Yt1 and n negative stress is tensile <br /> Some shapes are not symmetrical about teeth local axes. For example Tee.and Channel shapes Thus the stress at the <br /> positive Arid neftetive edge_!,niav not be the seine The locations for the calculated stresses are illustrated in this <br /> diagram. <br /> Y Hand Tap Bend Top <br /> z _ <br /> - Uend tint Bend Bat <br /> hand Top .—Band Top <br /> Yt <br /> z+ <br /> Bend But Bend Rot <br /> So, the y top location is the extreme fiber o'the shape in the positive local y direction,y.het is the extreme!leer in the <br /> negative local y direction,etc. The ytop.hot stresses are calculated using Ma, <br /> F err enveloped results the maximum and mii+imurli value at each location is'listed, The load combination pronucing the <br /> maximum or minimum is a:so listed,in the'Ic-coi.mn. To include a particular Load Cornnin:+tinn in thin envelope <br /> analysis,open the Load Combinations spreadsheet and check the box in the'Env'column <br /> Note <br /> A specuol case is hcn+tine stress c:ilculations fur single angles The 5+cr:)111 ,st ice: .`'_i ' t•i'^ - . are reported <br /> for bending dbuut the principal axes. <br /> • -t o view the ree,ulte for a particular merbe,use the Fine option I p view the maxirnurns and neren iims,use ter. �iLt <br /> Option. <br /> WELCOME RAMP CALCS-IBC 2018 Page 17 <br />