How does ideCAD control the torsional Irregularities, define strength reduction factors according to ASCE 7-16, for two earthquake directionsACI 318-19?
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Strength Reduction Factor for Earthquake-Resistant Structures
To resist earthquake effects, the The value of ϕ for shear will be is taken as described in ACI 21.2.4 for earthquake-resistant structures with elements in (a), (b), or (c):
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It is stated in ACI 21.2.4.4 that the value of ϕ for shear will be 0.85 for beam-column joints and diagonally reinforced coupling beams.
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