431_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

431_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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Problem 5.6-18 A horizontal shelf AD of length L ± 915 mm, width b ± 305 mm, and thickness t ± 22 mm is supported by brackets at B and C [see part (a) of the figure]. The brackets are adjustable and may be placed in any desired positions between the ends of the shelf. A uniform load of intensity q , which includes the weight of the shelf itself, acts on the shelf [see part (b) of the figure]. Determine the maximum permissible value of the load q if the allowable bending stress in the shelf is s allow ± 7.5 MPa and the position of the supports is adjusted for maximum load-carrying capacity. SECTION 5.6 Design of Beams 425 Solution 5.6-18 N UMERICAL DATA
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431_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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