Based on the provided plan view of a roof diaphragm bending under a lateral load, ASCE 7-16 classifies a diaphragm as "Flexible" when its maximum lateral deflection (Delta_D) exceeds what value relative to the average drift of the vertical elements?
Based on the provided plan view of a roof diaphragm bending under a lateral load, ASCE 7-16 classifies a diaphragm as "Flexible" when its maximum lateral deflection (Delta_D) exceeds what value relative to the average drift of the vertical elements?