3. A centrally-loaded column (cross-section shown), is a 10-in. x 49 lb, wide flange I-beam whose properties are: ky = 2
Posted: Fri Jul 01, 2022 6:54 am
3. A centrally-loaded column (cross-section shown), is a 10-in. x 49 lb, wide flange I-beam whose properties are: ky = 2.54 in. kx = 4.35 in. A = 14.14 in2 Ix = 272.9 in4 ly = 93.0 in4 Let Le = 0.8L L = 30 ft. Material: AISI 1022, as rolled Determine the critical load; a. According to Johnson's or Euler's equation b. According to Secant formula if ec/k2 is assumed to be 0.25 Use the ff. data taken from the table: Sy = 52 ksi E = 30x106 psi