Civil Engineering MCQJE Level Civil Engineering
The maximum slenderness ratio (KL/r) for a compression member as per IS 800 is:
Steel StructuresSteel StructuresMEDIUM
Choose the correct answer
A
100
B
180
C
250
D
400
Correct Answer
B. 180
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IS 800 Table 3: Max KL/r for compression member in main frame = 180; secondary/bracing = 200. Higher slenderness → more susceptible to buckling → lower design load. For tension members, IS 800 recommends max L/r = 400 (preferred). Slenderness limit prevents undue flexibility, vibration, and sag.
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