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Madison Industries <br />Designed by: ML/JFB <br />August 4, 2016 <br />Job No: WCA17860-1 <br />Customer: Mobil Fueling Canopy <br />Structure: 65'-0" x 54'-4" (4) Column Canopy <br />Location: Tracy, CA 95377 <br />Sheet 36 <br />Column C1, cont. <br />Stresses: <br />Actual axial stress (fa): fa = [P+(Wt)(L)]/A = 0.52 ksi <br />Allowable axial stress (Fa): KL/r = 102.6 <br />Cc = [(2)(P)2(E)/Fy]1/2 = 111.6 <br />Fa = 13.9 ksi <br />Check 15 % rule for cantilever column 15%Fa = 2.08 ksi > 0.52 ksi (OK) <br />Actual bending stress (fb): Mt = Mseis + M1 + M2 = 97.4 ft -k <br />fb = Mt/SO = 21.9 ksi <br />Allowable bending stress (Fb): Fb = (0.6)(Fy) = 27.6 ksi <br />Unity Check: F'e = 14 <br />CmX = 1.0 <br />Eq 1-11-1: fa/Fa + Cm,fb/[(1-fa/F'e)(Fb)] = 0.86 < 1.00 <br />Eq 1-11-2: fa/[(0.6)(Fy)] + fb/Fb = 0.81 < 1.00 <br />COLUMN IS OK FOR STRESS <br />Drift Check: Include drift check for this column? (y/n) y <br />Allowable Drift = (0.01)(L) = 2.26 in <br />Max. Actual Drift, Am = 0.7CdHLA3/3E1 = 2.21 in (Due to Seismic) <br />Where: Lateral Force for deflection calculation, H4 = 5.17 kips <br />Cd for structure = 1.25 <br />COLUMN IS OK FOR DRIFT <br />JUN 08 2017 <br />h- -ALTH <br />