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Member Stress Results <br /> Access the Member Se lion Stresses spreads+feet t Se.ect.ng Me Results menu arc lien selecting Members P <br /> Stresses. <br /> t hese are the;" e'i.t R "''-_ ::calcu, tedt a'nrig each aC,i 1 merr.ber The number of sections for which stresses are <br /> reported is cord railed by the Number Of Sections specit,ed on th.eC,.lcrbaf ..I!c_:;; The actual number 01 segments is <br /> this Number OP Sections minus 1- The incremental length at each segment is the same For example,it pal spier:ity ti <br /> t.ertlnris,thu rriiiiribei is divided into 4 Kilns pieces,and the stresses are raga't ed for each piece. <br /> there will be tour stress*values listen for each Section location along the ti,mbzr taking into account+iny r+ci'itrc< <br /> ri.,..I•, the i.r.it.'or l'ie stresses are stiuwi i at the too of each column. A3 for the sign convention.the siEns of thetet <br /> results correspond to the signs of the forces. These tine up as positive or negative according to the member 1or:a1 axis <br /> dltections. <br /> Ike axial stress is the ratio PVA,where P is the section axial force, A positive stress is compressive, since the sign a1 <br /> the stress foliows the sikri or tte_7r; . <br /> The sheer stress is culculeted as WS A.whore S+t is the ectechvee,hi-:ii 41 For members not defined with a seelinn <br /> set a value of 1.2 is used for the shear area coefficient SA <br /> The bending stresses are calculated using the'arailier equation lit•c/I.where Y,1'is the iiiw id ing ii foment,',:' is the <br /> distance hum the neutral axis to the extreme fiber and'1'is the murnont of inertia tee stress for Ike suction's eat team <br /> ec.Ign is listed with respect to the aositive am negative directions ct the ko':4_12 -,1.1 '-. <_ .A positive steecr i.i <br /> compressivu anti a negative stress is tensile <br /> Some shapes are not symmetrical about heath local axes. For example Tee.and Channel shapes Thus the sloess at the <br /> 1wmitive and negative edges may not be the same The locations for the calculated stresses are itiustratert in this <br /> diagram. <br /> Y TBend Top Brand Top <br /> (----- Y <br /> z <br /> z <br /> "-Bend Hot Bend Bol <br /> Y ,—Rand Top 4Bend Top <br /> l_i <br /> z + <br /> z+-- <br /> Bend Bot Bend Bot <br /> So, they lop location is the extreme Utter O'the shape in the positive local y direction,yitmt is the extreme like,in the <br /> negative local y direction,etc. The y-top.bot stresses ate calculated using Ma. <br /> I nr rnvrtaped results the maximum arid minimum value at each location is'rated, The toad combination producing the <br /> rnaxirnirrn or nriiiimum 15 at5o listed, in the'Ic-column. To include a particular Load Carnhin;r!mn iri the envelope <br /> analysis,open the Load Combinations spreadsheet and check the box in the-Env'eolurnn <br /> Nuta <br /> A special case is handing stress caleu!etions fur single angles. The,rr.rU ! at,y:',:c• t_, :•,-..,;,'=&GZt41 are reported <br /> for bending about the principal axes. <br /> • To view the results;fur a particular member.use the Find option le view the maximums and minimums,use the°,�nrrtt <br /> option. <br /> WELCOME RAMP CALCS-IBC 2018 Page 17 <br />