A rigid beam is supported by a pinned connection at B and by an inclined strut that is pin-connected at A and C as shown in Figure P16.14a. The strut is fabricated from two steel [E = 200 GPa] L102 76 9.4 angles, which are oriented with the long legs back-to-back as shown in Figure P16.14b. The angles are separated and connected by spacer blocks, which are 30 mm thick. Determine
(a) the compression force in the strut created by the loads acting on the beam.
(b) the slenderness ratios for the strut about the strong and weak axes of the double-angle shape.
(c) the minimum factor of safety in the strut with respect to buckling.
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