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1+3 - kips PROBLEM 1.4 10 kips Y‘Dal BC 2 d2 = if...

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Unformatted text preview: ],() kips PROBLEM 1.4 10 kips Y‘Dal BC. 2 d2 =. if ”SEC.- _ (#5005 1.3 Two solid cylindrical rods AB and BC are welded together at B and loaded as shown. Knowing that d1 = 1.25 in. and d2 = 0.75 in, find the normal stress at the midpoint of (a) rod AB, (b) rod BC. SOLUTION (,CLD Y‘oci AB P 1‘ l2 + H) = 22 lCiPs A = QM?“ = £1 (1.25)“ = l.2272 - .1: “2L. _ ,t 67.3 - A -132”; - 17.93 ks (103 Foo? BC P : IO kips 1 Z - l 7. _ - 40:2 _ +(o.7$) - 0.441? P _ to - . 698 F ‘ owns ‘ 22"; k" 1.4 Two solid cylindrical rods AB and BC are welded together at B and loaded as shown. Knowing that the normal stress must not exceed 25 ksi in either rod, determine the smallest allowable values of the diameters d1 and d2 . SOLUTION For) AB: P:- lero= 22kt)“ 61.3 = :25 ksi [GAB - AM: — £1 1-13 _ (43(22) _ .2. d. — 77-643 - h—W‘CQSJ - Ll20§m d,: L05? in ‘4 l0 kcrs 6}“: 25 us; ABC =3Ed: m = OISOQ3 ["2 Ola: 0.7“} in, A‘ ...
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