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7/19/2024 <br /> Sheet A.4 <br />Prepared by PB <br />Checked by AY <br />Target T0286- Santa Ana – Final Report PPE-05184.03 <br /> I y = d ´ (N ´ b)3 / 12 = 0.98 in 4 <br />Adjustment factors <br />Resistance factor for bending - Table 2.3.6; fb = 0.85 <br />Resistance factor for tension - Table 2.3.6; ft = 0.80 <br />Resistance factor for compression - Table 2.3.6; fc = 0.90 <br />Resistance factor for shear - Table 2.3.6; fv = 0.75 <br />Resistance factor for modulus of elasticity - Table 2.3.6 <br /> fs = 0.85 <br />Format conversion factor for bending -Table 2.3.5; KFb = 2.54 <br />Format conversion factor for tension -Table 2.3.5; KFt = 2.70 <br />Format conversion factor for compression - Table 2.3.5 <br /> KFc = 2.40 <br />Format conversion factor for shear -Table 2.3.5; KFv = 2.88 <br />Format conversion factor for perp.compression - Table 2.3.5 <br /> KFc_perp = 1.67 <br />Format conversion factor for modulus of elasticity - Table 2.3.5 <br /> KFE = 1.76 <br />Time effect factor - Table N.3; l = 0.60 <br />Temperature factor - Table 2.3.3; Ct = 1.00 <br />Size factor for bending - Table 4A; CFb = 1.50 <br />Size factor for tension - Table 4A; CFt = 1.50 <br />Size factor for compression - Table 4A; CFc = 1.15 <br />Flat use factor - Table 4A; Cfu = 1.10 <br />Incising factor for modulus of elasticity - Table 4.3.8 <br /> CiE = 1.00 <br />Incising factor for bending, shear, tension & compression - Table 4.3.8 <br /> Ci = 1.00 <br />Incising factor for perpendicular compression - Table 4.3.8 <br /> Cic_perp = 1.00 <br />Repetitive member factor - cl.4.3.9; Cr = 1.15 <br />Bearing area factor - cl.3.10.4; Cb = 1.00 <br />Depth-to-breadth ratio; dnom / (N ´ bnom) = 2.00 <br /> - Beam is fully restrained <br />Beam stability factor - cl.3.3.3; CL = 1.00 <br />Bearing perpendicular to grain - cl.3.10.2 <br />Design compression perpendicular to grain; Fc_perp' = Fc_perp ´ KFc_perp ´ fc ´ Ct ´ Cic_perp ´ Cb <br />= 939 lb/in2 <br />Applied compression stress perpendicular to grain; fc_perp = RA_max / (N ´ b ´ Lb) = 74 lb/in2 <br /> fc_perp / Fc_perp' = 0.079 <br />PASS - Design compressive stress exceeds applied compressive stress at bearing <br />Strength in bending - cl.3.3.1 <br />Design bending stress; F b' = Fb ´ KFb ´ fb ´ l ´ Ct ´ CL ´ CFb ´ Ci ´ Cr = 2235 lb/in 2 <br />Actual bending stress; f b = M / Sx = 836 lb/in 2 <br /> fb / Fb' = 0.374 <br />PASS - Design bending stress exceeds actual bending stress <br />Strength in shear parallel to grain - cl.3.4.1 <br />1330 E Seventeenth <br />St4/10/2025