8. A W14×120 column has an effective length for y-axis buckling equal to 24 ft. Determine the effective length for the x-axis that will provide the same theoretical buckling strength (Euler buckling load).

A PB Pc W1 B W2 H A B C L1 L2 A rectangular cross-section beam is subjected to a distributed load as shown in figure above. Assume that elasticity modulus of the material is 190 GPa, H=269 mm, B=213 mm, L1=2,3 m, L2=3,2 m, Pg=21 kN, Pc=47 kN, w =55 kN/m and w2=22 kN/m; Determine the reaction moment (kN.m) at A. Use - sign if it has clockwise direction. Determine the deflection (mm) of the beam at B. Use - sign if it has downward direction. Determine the slope (degree) at C. Use - sign if it has clockwise direction.

Q3/ A rigid beam ABCD shown in Figure with negligible weight is pinned at one end and attached to two vertical rods. If the beam is subjected to load of P=60 kN. Find the vertical movement at D. Aluminum A- s mm Steel E- 68000 MP L-2 A-300 E- 200000 MPa D 60 KN | Im Im IIm

Compute the permissible axial load on the column section shown in Fig. 11-8. 4 m, (b) 6 m. modulus of elasticity 2.03 X 10° N/mm2. The effective length of the column is (a) The steel has a yield point of 355 N/mm2 and E180 5.5 F17 51-9 (678-17 180.2 300 284 51. 9 |v 12.5 (c) (9) Fig 11-8 (a)