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y <br /> HEM- FIR#2 (WWPA) <br /> Fb = 850 psi <br /> F„= 150 psi <br /> E = 1300 ksi <br /> F„ = 405 psi <br /> Marlow(ft-k) = Fb" S Vauow(k) =2/3 * Fv" b *d El I S <br /> Size Co = 1.0 = 1.15 = 1.33 CD= 1.0 = 1.15 = 1.33 (lb-in'x 101- (m')' (in'')' CF <br /> (1) 2 x 4 0.33 0 37 0 43 0.53 0.60 0.70 6.97 5.36 3.06 1.5 <br /> [0.37] [0.43] [0 50] <br /> (1) 2 x 6 0.70 0.80 0.93 0.83 0.95 1.10 27.04 20.80 7.56 1.3 <br /> [0.80] [0.92] [1.07] <br /> (2) 2 x 6 1.39 1.60 1.86 1.65 1.90 2.20 54.07 41.59 15.13 1.3 <br /> [1.60] [1.84] [2.14] _ <br /> (3) 2 x 6 2.40 2.76 3.20 2.48 2.85 3.30 81.11 62.39 22.69 1.3 <br /> (4) 2 x 6 3.20 3.68 4.27 3.30 3.80 4.40 108.14 83.19' 30.25 1.3 <br /> (1) 2 x 8 1.12 1.28 1.49 1.09 1.25 1.45 61.93 47.63 13.14 1.2 <br /> [1.28] [1.48] [1.711 <br /> (2) 2 x 8 2.23 2.57 2.98 2.18 2.50 2.90 123.85 95.27 26.28 1.2 <br /> [2.57] [2.95] [3.43] <br /> (3) 2 x 8 3.85 4.43 5.14 3.26 3.75 4.35 185.78 142.90 39.42 1.2 <br /> (4) 2 x 8 5.14 5.91 6.85 4.35 5.00 5.80 247.70 190.54 52.56 1.2 <br /> (1) 2 x 10 ' 1.67 1.92 2.22 1.39 1.60 1.85 128.61 98.93 21.39 1.1 <br /> [1.92] [2.20] [2.561 <br /> (2) 2 x 10 3.33 3.83 4.44 2.78 3.19 3.70 257.22 197.86 42.78 1.1 <br /> [3.83] [4.41] [5.111 <br /> (3) 2 x 10 5.75 6.61 7.67 4.16 4.79 5.55 385.83 296.79 64.17 1.1 <br /> (4) 2 x 10 7.67 8.82 10.22 5.55 6.38 7.40 514.44 395.73 85.56 1.1 <br /> (1) 2 x 12 2.24 2.58' 2.99 1.69 1.94 2.25 231.37 177.98 31.64 1.0 <br /> [2.58] [2.96) [3.441 <br /> (2) 2 x 12 4.48 5.15 5.98 3.38 3.88 4.50 462.74 355.96 63.28 1.0 <br /> [5.15] [5.93] [6.87] <br /> (3) 2 x 12 7.73 8.89 10.31 5.06 5.82 6.75 694.12 533.94 94.92 1.0 <br /> (4) 2 x 12 10.31 11.86 13.75 6.75 7.76 9.00 925.49 711.91 126.56 1.0 <br /> .Notes: Repetitive Member Factor is used for all (3)2x_and (4)2x_beams (bending only) <br /> [Repetitive Member Factor for(1) 2x_and (2)2x_beams in brackets] <br /> 5L- \ <br />