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928_Mechanics Homework Mechanics of Materials Solution

928_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 8.9 through 8.14 Each of the following problems refers to a rolled-steel shape PROBLEM 8.13 selected in a problem of Chap. 5 to support a given loading at a minimal cost while satisfying the requirement 0,, s as”. For the selected design, determine (a) the actual value of 0,, in the beam, (17) the maximum value of the principal stress 0",,“ al the junction of a flange and the web 316W“ 8.13 Loading of Prob. 5.87 and selected 812 x 31.8 shape. Fm Pmluflem 5.87 6M1 = 24 Its} ”41...... = 5N wifi : 643 kspm J C M c NI = :2 wraps For Sl2x3l.3 cl =12.oo;m, 54, r 5100 .31) 2:; reset: in t“: 0.350;“ 12 = 212 w, 52 = 3“ .fi C. 2 %J 1 6.0001. 648 _ , 36—h} - '12:) k5: tf : 5,454. in 6:2. 2 80°93 R5; 2 (19305.53) ' (2H3 )(oeso) :- 1’ (%§)1+ 1:1 : JSJDCYBZ + 3.é7$1 = 8.. 88‘? kfit' 6;”: g + R = 8.073” 8.88? = 16.98 ks.“ ...
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