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1119_Mechanics Homework Mechanics of Materials Solution

# 1119_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 9.109 Two cover plates are welded to the rolled-steel beam as shown. Using E w 29 X PROBLEM 9'109 106 psi., determine (a) the slope at and C, (b) the deﬂection at and C. 4 Rips/ft ‘12 ”PS 3 . SOLUTION 3 X 6 1n. ' top w 1(3ng Wolfe»! 5+¢ej seafﬁ'on a = t5.6‘? in‘ I = 30! In" . . . m w;6 X56 Fax» +1”. +wa cover '9ng: L——6ft—-L—3ft4~l I ._. ZI-Tlitcﬂg)" + (6K%)(Eiﬂ* ET] ': 26ft). ‘4 in” I. A +0 8 E1, =(2?wo‘)(son+2eo-q)= 11.15: vafkspdn : H9101 lop-H“ B +9 C EI= (27w105)(30|3 - 8. 729 uo‘ ”1"” _~ GOGIB to? %‘ DIM-.2 'Et—ﬁI" Afhsf‘dm ‘33 Paw-+3, gill-u— - %§T§3 = —0.ﬂo€7quo'3 H" A. - _ i6; qoéﬁv‘to' ’X'nr - 4.02am)" EI- ”ill-5%??? = «- 0.3023 “0'3 H " 114—351 -...U£).(3_2_ — _ *3 -l EL Costs ’ astigquo ‘H' A2 = — i (0.573% 0.3023 )(td‘XE) , —o-437no"‘ - “(0(5) _' _3 _’ 51.- —éW ' ‘0-5045'xfo -F+ A3 = — §L(o-so‘f\$x{o‘3)(6) = — use a- to“ Ppmce reference +4w13e4+ 612+ A «Jew: y“ = D 3 (12,119: = 9‘ + 9% = O + Ak+A1+A3 = - 5.73xlo" mp! (b) 3k: y” L9, 4 tm 0 + 0 ~ (toBIWd’KG) — (o.t+31xcd‘)(2) - (Laoéxw‘ ")(7.5) = — 39;”3Xloqsﬁ - 0.413.331, ...
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