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the T-beam is constructed as shown. if each nail can support a shear force of 800 lb, determine the maximum shear force V that the beam can support and the corresponding maximum nail spacing s to the nearest 1/8 in. the allowable shear stress for the wood is
Tallow = 430 psi.
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2 in 12 in. 12 in 2 in
Expert Answer
Neutral axis from bottom is given below,
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ΣΑ 12 in ΣΑ 2 in 13 *12 2 6*12 *2 12 2 12 2 13 in УА 13 262 N 2 2 38 1 12 in 4 y2=6 in y 9.5 in
Moment of inertia about neutral axis is,
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1-[4+ 4d]-[4+ A,d ] A,d I 1 2 122 12* (9.5-6) 12 - *12 2212*(13-9.5) 12 I I -[288+ 294] +[8+294] I = 884 in4
The first moment of area about the...
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Qmax = y{4 9.5 *9.5*2 2 Omax Qmax 90.25 in3 Moment of area about point A is ((12-9.5)+1)*12*2 Q 3.5 24 Q84 in
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