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Slenderness Ratio

A steel membe...

Question

A steel member 'M' has reversal of stress due to live load, whereas another member 'N' has reversal of stress due to wind load. As per IS 800-2007, the maximum slenderness ratio permitted is

A

less for member M than that of member N

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B

Same for both

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C

more for member M than for member N

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D

Not specified in code.

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Solution

The correct option is A less for member M than that of member N
As per is 800 : 2007

Maximum slenderness ratio for a tension member in which a reversal of direct stress due to loads other than wind or seismic forces occurs = 180

Maximum slenderness ratio for a member normally acting as a tie in a roof truss or a bracing system but subjected to possible reversal of stresses resulting from the action of the wind or earthquake forces = 350

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