Problem 1 (20 points): P y А . A W 6 x 15 steel column is 26 ft long and is fixed at its points A and B as shown. Its lo

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Problem 1 (20 points): P y А . A W 6 x 15 steel column is 26 ft long and is fixed at its points A and B as shown. Its load- carrying capacity is increased by bracing it in the x-z plane using struts that are assumed to have hinged-connection at point C. Using a factor of safety of 2.0, determine the allowable load (P) it can support so that the column does not buckle. Knowing that: E = 30 x 106 psi, Ix = 29.1 in, and ly = 9.32 in. 10 ft С 16 ft B Z