- 3 A Centrally Loaded Column Cross Section Shown Is A 10 In X 49 Lb Wide Flange I Beam Whose Properties Are Ky 2 1 (23.29 KiB) Viewed 17 times
3. A centrally-loaded column (cross-section shown), is a 10-in. x 49 lb, wide flange I-beam whose properties are: ky = 2
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3. A centrally-loaded column (cross-section shown), is a 10-in. x 49 lb, wide flange I-beam whose properties are: ky = 2
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