145_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

145_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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Unformatted text preview: Sec_2.4.qxd 9/25/08 11:38 AM Page 139 SECTION 2.4 Statically Indeterminate Structures dB dB For dB c 2 2 rgL2 A2L1 + 2A1L1L2 + A2L2 L2 1 (2A1L1 + A2L2) + rgA1 a bd 2(EA2) 2 L1A2 + L2A1 EA2 1 2 A1 r g L2 L1 A1L1 (L1A2 A A2 2L 3L rg 2 55 1 A 2L 2 L2A1) E A 2 3L 5 L1 3L A 2L + 5 25 3L A 2L a + Ab E 52 5 L2 A dB 2L 5 L2 24 rg 175 E ; (c) expressions for the average axial stresses a small distance above points B and C NB axial force near B RA WAB 2 NB A2L12 + 2A1L1L2 + A2L2 1 a rgA1 b 2 L1A2 + L2A1 NB 37 rgAL 70 sB NB A NC RC rgA sB sC 3L 5 a 1 rgAL 14 NB 1 rgL 14 ; 19 rgLA b 70 A 2 r gA1L1 sC 19 rgL 35 ; 139 ...
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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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