Question
Download Solution PDFAs per IS 800 ∶ 2007, the slenderness ratio (λ) of a steel member is given by. __________. Where, L = Effective length of member, r = Radius of gyration of member.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Slenderness ratio λ = \(Leff \over Radius \space of \space gyration\)
Radius of gyration = \(\sqrt {I\over A}\)
I= Moment of Inertia
A = Cross sectional Area
Additional Information
| Member | Max. effective slenderness ratio |
| A member carrying compressive loads resulting from dead loads and imposed loads. | 180 |
| A tension member in which a reversal of direct stress occurs due to loads other than wind or seismic forces. | 180 |
| A member subjected to compression forces resulting only from the combination with wind/earthquake actions, provided the deformation of such member does not adversely affect the stress in any part of the structure. | 250 |
| Compression flange of a beam against lateral-torsional buckling. | 300 |
| A member normally acting m a tie in a roof truss or a bracing system not considered effective when subject to a possible reversal of stress into compression resulting from the action of wind or earthquake forces. | 350 |
| Members always under tension (other than pre-tensioned members). | 400 |
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