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 (7) Determine size of anchor bars.
Diagonal bars:
From NAVFAC P-397, Equation 5-13,
Ad = Vsb/fs sin [alpha]
Support shear,
Vs = 5,896 lb/in
Spacing of stiffeners,
b = 10 inches
Yield stress of steel,
Fs = 60,000 psi
Angle between diagonal and horizontal
= 45deg.
Therefore, area of diagonal bars
Ad = 5,896(10)/60,000(0.707)
= 1.39 in2
Area of single bar = 1.39/2
= 0.70 in2
Use No. 8 bars with area = 0.79 in2
2.08-293
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