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SUBJECT:Bristol Tolliver Park Member Calculations Typ. Aluminum Post B SHEET NO:MC2 - PROJECT NO: 11250537 BY:MAM DATE: 09/05/2025 5 ≔Mnlbx.f = ⎛ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜⎝ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖‖ if also if else ∧≤―Rb t λ1.B.5.4.5u ＝Alloy “6005A-T61 (unwelded)” ‖ ‖‖ min⎛ ⎜⎝ ,⋅FCy1 Zx ⋅⋅1.5 FCy1 Sx⎞ ⎟⎠ ∧≤―Rb t λ1.B.5.4.5w ＝Alloy “6005A-T61 (welded)” ‖ ‖‖ min⎛ ⎜⎝ ,⋅FCy2 Zx ⋅⋅1.5 FCy2 Sx⎞ ⎟⎠ ‖ ‖‖⋅F Sx ⎞ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟⎠ 103.99 ⋅kip in Local Buckling (per ADM Section F.3.3): Pipes and round tubes (B.5.5.4): =―Rb t 19.5 ≔λ1.B.5.5.4u =CTb1 7.4 ≔λ2.B.5.5.4u =CT1 11.9 ≔Fco = ⎛ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜⎝ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖‖ if <―Rb t λ2.B.5.5.4u ‖ ‖ ‖‖ -BT1 ⋅DT1 ‾‾‾ ―Rb t if ≥―Rb t λ2.B.5.5.4u ‖ ‖ ‖ ‖ ‖ ‖ ‖‖ ――――――――⋅π2 E ⋅⋅16 ⎛ ⎜ ⎝―Rb t ⎞ ⎟ ⎠ ⎛ ⎜ ⎜ ⎜⎝+1 ―― ‾‾‾ ―Rb t 35 ⎞ ⎟ ⎟ ⎟⎠ 2 ⎞ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟⎠ 251.86 ksi ≔λ1.B.5.5.4w =CTb2 11 ≔λ2.B.5.5.4w =CT2 19.7 ≔Fcw = ⎛ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜⎝ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖‖ if <―Rb t λ2.B.5.5.4w ‖ ‖ ‖‖ -BT1 ⋅DT1 ‾‾‾ ―Rb t if ≥―Rb t λ2.B.5.5.4w ‖ ‖ ‖ ‖ ‖ ‖ ‖‖ ――――――――⋅π2 E ⋅⋅16 ⎛ ⎜ ⎝―Rb t ⎞ ⎟ ⎠ ⎛ ⎜ ⎜ ⎜⎝+1 ―― ‾‾‾ ―Rb t 35 ⎞ ⎟ ⎟ ⎟⎠ 2 ⎞ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟⎠ 36.32 ksi