hw5_soln - 9—34. Determine the vertical displacement 01'...

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Unformatted text preview: 9—34. Determine the vertical displacement 01' joint E. E r each member A = L5 i113. E = 2900") ksi. Use [he :flhod of virtual work. nNL At = 2:? = fifl-‘Qfifififl—Lflfi‘IN 10) +(0.8333)(L6667)(10) 0 + (0.566m133am) + (-0.666?){—I.333)(8) +(—~nw.5){6)+{-os){—3)<63}:123 ,a.“yt{v a Q 643 «00149‘ A aft M ' 1.5(29moa) '" ' m‘ m 9—12. Determine the horizontal deflection at C. Use Lhc “ML {fiflzmnmm (4236)“!3“ “mem " “ZIW—w—w—m} 4» W slhod of virtual work. Assume the members are pin {Ad‘- ‘V’ if ‘ M; M mnnectcd at their end points. AE is constant. + {m1.136)im3018.69){\fi—56)Ul5 C AE boom -- = 2.5111msb-m. a A” ALE £033, c .'I\ NHLHLr-I that!) t5»JL%-—wgm°{4/ D f1.93m Min-Elf} “‘31:” b?) ISOUlb 1 {L § ‘- i 4 E. 14”- as. u: 21am}, 1.156 {c} 9—43. Remove the loads on the truss in Prob. 9—42 and determine the horizontal displacement of point C if 600 lb members AB and BC experience a temperature increase of AT = 200%? Take A = 21113 and E : 29(103) ksi. Also. a: = 10"0/31'9. 1500 ll) (inch, = in HATL = (In lfl“}(1{¥3)(3)(12) ~t- (2](KD_6)£200)(8){12} == 6.0768 in.-+ Nu *944. Remove the loads on the truss in Proh. 942 and determine the horizontal displacement of point C if member CD is fabricated 0.5 in. too short. 600 lb 1500 lb (Ac). = amt =(w—2.23&}(»«0.5) z 1.11 may Ans Determine the displacement of point C 0f the hving a moment of inertia of I = 53.3w“. Take . 10")ksi. Ac: .1. E) [a +1: 30(m-0.5)(4x1)dfi +0] Use the method of virtual work and determine hizontal displacement of point A 011 the angle '- due to the concentrated force P.The bracket is connected to its support. E1 is constant. Consider in: effect of bending. hi 7 L '——' A - Rm! Mom‘s! Function Mix) : As shown on match.)- Vlmm! Moment Funcn‘ons mu) : A; showum figm(b). Virtual Wed induct: ; Far {he homing: displuxmcnl an min: A. Apply 9 w l8 . L IAA=L gab: 1 L we, a Efnumxmrxwrt I +§J:[LDQL}(PL}AI‘ ! (Aflkmfiia w, 355 354' . Use the method of virtual work and determine vertical deflection at the rocker support D. E! is am. if E! mk-tt’ l zd—H A.” El L I _. Mob 5] gab: : jaittttrfitifllhr;ab:+ I:(10)(750t)dr+0 ...
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hw5_soln - 9—34. Determine the vertical displacement 01'...

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