384_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

384_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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Unformatted text preview: 04Ch04.qxd 378 9/25/08 12:43 PM Page 378 CHAPTER 4 Shear Forces and Bending Moments Problem 4.5-33 The shear-force diagram for a beam is shown in the figure. Assuming that no couples act as loads on the beam, determine the forces acting on the beam and draw the bendingmoment diagram. 652 lb 580 lb 572 lb 500 lb V 0 –128 lb –448 lb 4 ft 16 ft 4 ft Solution 4.5-33 Forces on a beam (V is given) FORCE DIAGRAM Problem 4.5-34 The compound beam below has an internal moment release just to the left of B and a shear release just to the right of C. Reactions have been computed at A, C and D and are shown in the figure. First, confirm the reaction expressions using statics, then plot shear (V) and moment (M) diagrams. Label all critical V and M values and also the distance to points where either V and/or M is zero. w0 L2 MA = –––– 12 w0 w0 A B L L Ax = 0 — — 2 Moment 2 release w0 L w0 L Ay = –––– Cy = –––– 6 3 C D L — 2 Shear release –w0 L Dy = –––– 4 ...
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This note was uploaded on 12/22/2011 for the course MEEG 310 taught by Professor Staff during the Fall '11 term at University of Delaware.

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