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First of all, it is necessary to determine the column with the highest horizontal displacement in EX loading for each floor. For doing this, please go to perspective screen - view analysis model - deformations - EX load. At each floor, X-direction displacement of the column-beam joint is read and the difference between them is checked. The largest value in the story is used in the calculation of the relative storey drift.
This value read is the raw value. According to TBDY 2018, the raw value should be increased according to the equivalent earthquake load increase coefficient.
Due to the large size of the building, this process was not carried out, and the relative storey drift calculation is summarized in the table below, using the ∆i value directly included in the earthquake code report. In the table below, only X + 5% is checked. The point to be considered here is that these results should be increased with Magnification factor.
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