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7/19/2024 <br /> Sheet A.12 <br />Prepared by PB <br />Checked by AY <br />Target T0286- Santa Ana – Final Report PPE-05184.03 <br />Design compression perpendicular to grain; Fc_perp' = Fc_perp ´ KFc_perp ´ fc ´ Ct ´ Cb = 977 <br />lb/in2 <br />Applied compression stress perpendicular to grain; fc_perp = RB_max / (N ´ b ´ Lb) = 612 lb/in2 <br /> fc_perp / Fc_perp' = 0.626 <br />PASS - Design compressive stress exceeds applied compressive stress at bearing <br />Strength in bending - cl.3.3.1 <br />Design bending stress; Fb' = Fbx_pos ´ KFb ´ fb ´ l ´ Ct ´ min(CL, CV) ´ Cc = 2433 lb/in2 <br />Actual bending stress; fb = Mmax / Sx = 2369 lb/in2 <br /> fb / Fb' = 0.974 <br />PASS - Design bending stress exceeds actual bending stress <br />Strength in shear parallel to grain - cl.3.4.1 <br />Design shear stress; Fv' = Fv ´ KFv ´ fv ´ l ´ Ct = 343 lb/in2 <br />Actual shear stress - eq.3.4-2; fv = 3 ´ F / (2 ´ A) = 179 lb/in2 <br /> fv / Fv' = 0.520 <br />PASS - Design shear stress exceeds actual shear stress <br />Deflection - cl.3.5.1 <br />Modulus of elasticity for deflection; E' = Ex ´ CME ´ Ct = 1800000 lb/in2 <br />Design deflection; dadm = 0.0083 ´ 2 ´ Ls2 = 2.390 in <br />Total deflection; db_s2 = -0.904 in <br /> db_s2 / dadm = -0.378 <br />PASS - Total deflection is less than design deflection <br />Utilization: = 97.4% ≤ 105% ⇒ OK <br /> <br />1330 E Seventeenth <br />St4/10/2025