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25_Mechanics Homework Mechanics of Materials Solution

25_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 1.32 1.31 Two wooden members of 3 x 6‘ in. uniform rectangular cross section arejoined by the simple glued scarf splice shown. Knowing that the maximum allowable shearing stress in the glued splice is 90 psi, determine (a) the largest load P which can be safely applied. (1)) the corresponding tensile stress in the splice SOLUTION 9 a are. 40° =50° A0 = (330;) = l8 .3“ ’E = % sin 2.9 P ___ Zé’éfl __ (Q)§l8)(‘?02 : 32-90 .- Sin 7,6 sin 100° P= 3290 )8. --I 32°10 006L501, 18 = 75.5 6“: 75.5Psi' 4‘ 1.32 Two wooden members of 3 x 6- in. uniform rectangular cross section are joined by the simple glued scarf splice shown. Knowing that P = 2400 lb, determine the normal and shearing stresses in the glued splice. SO LL'TION e = 709-40" :1 50° P: 2900 )6. Ac: (3K9) .-. IS in‘ _ j: a = (Moe)cos‘&°_. , 6‘- Home ’3 635'. 6:: 55.! ' :r. f . : wbfiqdl.ooa -.-.. t 2A ‘5‘" 29 (2)02.) ’21: 65.7 p5} ...
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