solution_hw1 - 3.4 600 A V (lb) 3' 700 + 100 3' 900 3' B M...

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3.4 l b A B 3 3 3 600 900 x x V (lb) 700 100 800 2400 2100 M(ft*lb) + + MR AB == 0 800 : FR yA l b 0 700 : σ all Mc I h h hi = max :. , . (.) ( ) ( 1 2 ) () 18 693 24 2 21 2 3 n . τ max (. ) . = < 3 2 3 2 800 2693 86 6 100 V A OK 3.5 cm + + 200 25 5 150 75 200 25 150 13535 ( )(162. ) (15)( ) ( 1 5 ) . m Im =+ × + × = × 1 12 32 135 35 2 26 200 25 200 25 2715 15 1324 10 ( ) ( . ) . ( ) . . m 4 We have at N.A.: 3 3 2 35 . 135 max 10 4 . 137 ) )( 15 ( 35 . 135 mm Q × = = max (10 )(137. ) .( 1 0) ( . ) . = × VQ Ib MPa 22 4 10 13 24 0 015 36 6 1522
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3.6 Vk N M w L k N max max .. == = 24 144 1 2 2 m Design is based on σ all MPa = 12 : all Mc I b bb bm = = max
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This note was uploaded on 03/24/2010 for the course ME 031 taught by Professor Kim during the Winter '10 term at Korea Advanced Institute of Science and Technology.

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solution_hw1 - 3.4 600 A V (lb) 3' 700 + 100 3' 900 3' B M...

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