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| Note |
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The condition ∑Mdev> = 0.75Mo must be met in reinforced concrete carrier structural systems with unidirectional gear floor with DTS = 1, 1a, 2, 2a, 3a or 4a. |
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The condition ∑Mdev / M0> = 0.75 must be met in reinforced concrete carrier structural systems with unidirectional gear floor with earthquake design class (DTS) 4a.
According to article 4.3.4.6 of TBDY , ductility level should be provided in mixed carrier structural systems (4.3).
∑ M DEV ≥ 0.75 M o (4.3)
Possible solutions:
A curtain Shearwall / curtain shearwall group can be added to the carrier structural system until the 4.3 condition is met.
Solution can be made by choosing high ductility level. ( A14 or A15 )
Different flooring type can be selected.
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M o = Total tipping moment at the base from earthquake loads for the entire building
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