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ICONS
c = neutral axis height
L p = plastic hinge length
M y = effective yield moment
M u = collapse moment
ϕ = curvature
ϕ y = yield curvature
ϕ u = curvature before crushing
ϕ t = total curvature demand
ε c = concrete pressure unit deformation
ε s = Reinforcement strain
θ y = Yield rotation
θk = displaced axis rotation
θ ki = displaced axis rotation at end i
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When the nonlinear calculation method is applied to determine the earthquake performance of existing buildings with the Assessment and Design Based on Shaping (ŞGDT) approach, the plastic hinge rotation values according to the piled plastic behavior model are compared with the plastic rotation limit values calculated in accordance with the performance analysis of the existing buildings . Plastic joint rotation values are calculated as a result of the thrust analysis and the cross section performance is determined by comparing with limit values.
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