569_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

# 569_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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SECTION 6.10 Elastoplastic Bending 563 Problem 6.10-10 Solve the preceding problem for a W 410 ± 85 wide-flange beam. Assume that s Y ² 250 MPa. ( Note : Obtain the cross-sectional dimensions and section modulus of the beam from Table E-1b in Appendix E.) Solution 6.10-10 W 410 ± 85 h ² 417 mm b ² 181 mm t f ² 18.2 mm t w ² 10.9 mm S ² 1510 ³ 10 3 mm 3 s y ² 250 MPa Y IELD MOMENT P LASTIC MODULUS Z ² 1.708 * 10 6 mm 3 Z ² 1 4 c bh 2 ´ ( b ´ t w ) ( h ´ 2 t f ) 2 d M y ² s y S M y ² 378 kN # m ; P LASTIC MOMENT S HAPE FACTOR f ² Z S f ² 1.13 ; M P ² s y Z M P ² 427 kN # m ; Problem 6.10-11 A hollow box beam with height h ² 16 in., width b ² 8 in., and constant
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Unformatted text preview: wall thickness t 0.75 in. is shown in the figure. The beam is constructed of steel with yield stress s Y 32 ksi. Determine the yield moment M Y , plastic moment M P , and shape factor f . Probs. 6.10-11 and 6.10-12 z y C t t h b P LASTIC MODULUS P LASTIC MOMENT M P s y Z M P 591 k-ft ; Z 197.1 in. 3 Z 1 4 [ bh 2 ( b t w ) ( h 2 t f ) 2 ] S HAPE FACTOR f Z S f 1.13 ; 06Ch06.qxd 9/24/08 6:05 AM Page 563...
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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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