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4.1.8.9.(2) | Application | Intent |
OS2 | OP2 |
Objective | OS2 Structural Safety |
Attribution | |
Application | Application 1: Overstrength-related force modification factor, Ro,
to be used with a particular ductility-related force modification factor,
Rd, applicable to the building structure,
to be used in calculating the base lateral earthquake force, V, in Sentence 4.1.8.11.(2), and the base lateral earthquake force (dynamic analysis),
Vd, in Sentence 4.1.8.12.(5).
Exceptions:
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Intent | Intent 1: To limit the probability that the overstrength-related force
modification factor used will not be appropriate for the ductility-related
force modification factor, which will not reflect the correct product of RdRo as
the property of the Seismic Force Resisting System, which could lead to structural
failure, which could lead to harm to persons. |
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