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JOB NAME _Kaiser SAN 1st Fl GenRad <br />JOB NO. DATE _S09-23018 03/04/2024 <br />ENGINEER DWG. REF _OS -- <br />Main Rail Design (P1001) <br />Design Loads <br />Rail Design Tension: Rail Design Flexure (strong axis) <br />≔Ru_t 318.4 lbf ≔Mu_s ⋅380.2 lbf ft <br />RailDesign Compression: Rail Design Flexure (weak axis) <br />≔Ru_c 343.3 lbf ≔Mu_w ⋅86.4 lbf ft <br />Design Capacity <br />Unistrut design properties: <br />≔A 1.111 in 2 ≔K 1 ≔L 4.0 ft ≔r_s ⋅0.914 in ≔r_w 0.651 in <br />≔S_s 0.571 in 3 ≔S_w 0.58 in 3 <br />≔Rn_t =―――――⋅A Fy_uni <br />Omega_axial <br />20.368 kip Tension Capacity <br />=if <br />else <br />>Rn_t Ru_t <br />‖ <br />‖“Design Acceptable” <br />‖ <br />‖“Failure” <br />“Design Acceptable” <br />≔DCRT =――Ru_t <br />Rn_t <br />0.016 <br />≔Rn_c =⋅――――⋅π 2 E_uni <br />⎛ <br />⎜⎝ <br />――⋅1 L <br />r_s <br />⎞ <br />⎟⎠ <br />2 ―――――A <br />Omega_axial <br />64.054 kip Compression Capacity <br />=if <br />else <br />>Rn_c Ru_c <br />‖ <br />‖“Design Acceptable” <br />‖ <br />‖“Failure” <br />“Design Acceptable” <br />≔DCRC =――Ru_c <br />Rn_c <br />0.005 <br />≔Mn_s =――――――⋅Fy_uni S_s <br />Omega_bending <br />940.269 ⋅lbf ft Bending Capacity - Strong Axis <br />=if <br />else <br />>Mn_s Mu_s <br />‖ <br />‖“Design Acceptable” <br />‖ <br />‖“Failure” <br />“Design Acceptable” <br />≔DCRBs =―――Mu_s <br />Mn_s <br />0.404 <br />≔Mn_w =――――――⋅Fy_uni S_w <br />Omega_bending <br />955.09 ⋅lbf ft Bending Capacity - Weak Axis <br />=if <br />else <br />>Mn_w Mu_w <br />‖ <br />‖“Design Acceptable” <br />‖ <br />‖“Failure” <br />“Design Acceptable” <br />≔DCRBw =―――Mu_w <br />Mn_w <br />0.09 <br />1900 E 4th St - <br />1011190678/9/2024