859_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

859_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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SECTION 11.3 Critical Loads of Columns with Pinned Supports 853 Solution 11.3-5 C OLUMN CD ( STEEL ) Square cross section: Factor of safety: I ± b 4 12 I ± 0.422 in. 4 n ± 1.8 b ± 1.5 in. d ± L 2 d ± 15 in. E ± 10 * 10 6 psi L ± 30 in. Beam ACB ; Q allow ± P allow 3 Q allow ± 23.8 k © M A ± 0 Q ± P 3 P allow ± P cr n P allow ± 71 k P cr ± p 2 EI (0.6 L ) 2 P cr ± 129 k Problem 11.3-6 A horizontal beam AB is pin-supported at end A and carries a load Q at joind B , as shown in the figure part (a). The beam is also supported at C by a pinned-end column of length L . The column has flexural rigidity EI . (a) For the case of a guided support at A (figure pare (a)), what is the critical load Q cr ? (In other words, at what
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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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