746_Mechanics Homework Mechanics of Materials Solution

# 746_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 1—1 l 1 CDT—i 7—] 6.90 The American Stamiard rolled~steel beam shown has been reinforced by attaching to it No 16 x ZOO-mm plates, using belts of lS-mm diameter spaced lengimdinally every 120 mm. Knowing that the allowable average shearing stress in the bolts is 90 MPa, determine the largest pennisaible shearing force. kg, PROBLEM 6.90 16 mm x 200 mm ‘ SOLUTION -~ saw x 52 Cdé'uﬁwie‘ mum5n+ 0‘? Iner+f¢~ _ A one} sic-m) Amman-0'3? mom") .1 T 93: 53:5 *51 8.1-. PM: - = 260.3 arm" mm" = 260.3xlo“‘ m" Q. 1' AM drug 2 (3200)(Igo_\$).: 513.cugs “M3 ,5.3_‘,.,o-‘ m3 g ; Am ' §dm§~ = 1"}(tswzo")' = 254.47 mu“ m" a. } - (qouto‘xzsmwue‘) = 22.9oxto’ N c}: 1%.“. = W = 33:.7xto‘ N/M 0‘ 3 = ”3.5 kN "“ ...
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