Civil Engineering MCQAE Level Civil Engineering
For a steel column with both ends pinned (no rotational restraint) and braced against sway, the effective length factor K is:
Steel StructuresColumn Effective LengthMEDIUM
Choose the correct answer
A
0.5
B
0.65
C
1.0
D
2.0
Correct Answer
C. 1.0
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Effective length factor K (IS 800 Annex D): Both ends pinned, no sway = K = 1.0 (by Euler); Both ends fixed = K = 0.5; One end fixed, one pinned = K = 0.7; Cantilever (fixed-free) = K = 2.0.
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