Question

(b) Colum CD is of square cross section of side 42 mm, length L- 5.25 m, and made of steel (E= 190 GPa). For a factor of safety of 2, the maximum permissible load Q is approximately (10 Pts) (A) 3.0 kN (B) 6.0 kN (C) 9.4 kN (D) 10.1 kN 24 Note: The critical load of a column is given by CIT2 E Pinned-pinned Fixed-free 0.25 Fixed-fixed Fixed-pinned 2.046

Answer 1

3. D o 2. lef Reaction at point AP peach-n ar poin c = N Taki moment about pojnt C (ii) Verticle force balance :0 2. Pica P) Cr O.S 2. Max rmiss (ad at

N/g う :) MAXİmu-, permissible load 6 L2 Square Cyorsech «Tmi>sible s2 Column C D 12 L: 5.25 m -7