Effective Stiffness for Reinforced Concrete Columns and Beams (4.5.2.2)
The effective section stiffness of reinforced concrete columns and beams is automatically determined according to 4.5.8 .
When determining seismic and earthquake loading combinations for reinforced concrete columns and beams, cracked section stiffnesses are automatically used. The effective section stiffness factors used in the elective report are included.
For detailed information on effective section stiffness:
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