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856_Mechanics Homework Mechanics of Materials Solution

856_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 7.112 The pressure tank shown has a %-in. wall thickness and butt-welded seams PROBLEM 7.112 forming an angle [3 -‘= 20° with a transverse plane. For a gag: pressure of 85 psi, determine (a) the normal stress perpendicular to the weld, (b) the shearing stress parallel 153/1 totheweld. SOLUTION d 1' 54:1' '-' 60 in. - V‘ - W- _ 6" " BE. ' 0-315 - Q7’5 f5: “710‘ _ t = 30% 1‘ mas»). 6.: $6] = 33515,»: 63.... ‘~' 2": (6:1- 6;) = 5036.257 P". R = 5‘61 : 1372.75“ Psi to.» 5... = 6'... - ‘Pcos #0“ r 3750‘ psi‘ «I (b) ll", 3' Q 5'.“ I51’0“? :3 lo7fi.P3; “ 7.113 The pressure tank shown has a %-in. wall thiclmess and butt-welded scans PROBLEM 7.113 ' u'ansverseplane. Detennineflaermgeofvaluesofpflmean parallel to the weld is not to exmd 1350 psi when the gage pressure is 85 psi. SOLUTION d=s¥+ = 60:. r: éol—t = 30% = 21am". _ V‘ (853(21425)- 3? ‘ "—5333— 67.‘ rs" - is, = 3357.5 p5? m l678-75 ...
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