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: — £1 113 _ (43(22) _ .2.
d. — 77643  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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 Fall '09
 MOORTHY

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