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550_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

550_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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544 CHAPTER 6 Stresses in Beams (Advanced Topics) Solution 6.9-1 b 3.260 in. b f 3.520 in. t f 0.650 in. b b f t w 2 C 15 * 40 d 15.0 in. t w 0.520 in. e 3 b 2 t f ht w + 6 bt f e 1.027 in. ; h d t f h 14.350 in. Problem 6.9-2 Calculate the distance e from the centerline of the web of a C 310 45 channel section to the shear center S (see figure). ( Note : For purposes of analysis, consider the flanges to be rectangles with thickness t f equal to the average flange thickness given in Table E-3b in Appendix E.) Solution 6.9-2 b f 80.5 mm t f 12.7 mm b b f t w 2 C 310 * 45 d 305 mm t w 13.0 mm e 3 b 2 t f ht w + 6 bt f e 22.1 mm ; h d t f h 292.3 mm b 74.0 mm Problem 6.9-3 The cross section of an unbalanced wide-flange beam is shown in the figure. Derive the following formula for
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