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The fundamental natural period of a steel-frame building without brick in-fill panels is given by (where h is the height of the building in meters)1. 0.07 h0.752. 0.085 h0.753. 0.55 h0.854. 0.09 h0.85 |
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Answer» Correct Answer - Option 2 : 0.085 h0.75 Concept: - As per IS 1893 (Part1):2016, cl. 7.6.2, The approximated fundamental translation natural period of oscillation for MRF buildings without masonry fills – \({T_a} = \left\{ {\begin{array}{*{20}{c}} {0.075{h^{0.75}},\;For\;RC\;MRF\;building}\\ {0.080{h^{0.75}},\;For\;RC - steel\;composite\;MRF\;buildings}\\ {0.085{h^{0.75}},\;For\;Steel\;MRF\;buildings\;} \end{array}} \right\}\) Here, h – Height of the building in m. |
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