564_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

10 1 double trapezoid shape factor f f z s eq 6 79

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Unformatted text preview: trapezoid SHAPE FACTOR f f Z S (EQ. 6-79) 2(2b1 + b2) 3b1 + b2 ; SPECIAL CASE – RHOMBUS Neutral axis passes through the centroid C. Use case 8, Appendix D. SECTION MODULUS S Iz h3 2 a b (3b1 + b2)/12 2 b1 h3 (3b1 + b2) 48 c h/2 S I c 0 f 2 SPECIAL CASE – RECTANGLE h2 (3b1 + b2) 24 PLASTIC MODULUS Z (EQ. 6-78) A h 2 a b (b1 + b2)/2 2 y1 y2 z h (b + b2) 21 1 h 2b1 + b2 a ba b 32 b1 + b2 A ( y + y2) 21 h2 (2b1 + b2) 12 b1 b2 f 3 2 h — 2...
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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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