15.5.2.1
Values expressed as impact/capacity ratio (ECO) are used to control the application limits of linear performance analysis of existing structures . The ECO value is the ratio of the internal force value formed in the element to that internal force capacity (resistance).
Impact / capacity ratio (ECO) values of columns, beams and curtain elements of existing structures are calculated automatically.
ICONS
EKO = Impact / Capacity ratio
Values expressed as impact / capacity ratio (ECO) are used in controlling the application limits of linear calculation methods in the Assessment and Design According to the Formation Approach for the evaluation of existing structures . ECO value is the ratio of the internal force value consisting of vertical loads and earthquake loads ( loading conditions ) taken as R a = 1, to the cross-sectional capacity calculated by taking into account the Knowledge Level Coefficient and Available Material Strengths . ECO values are made separately for each earthquake direction (X and Y direction).
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