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ICONS
θ p (SHIO)= Allowable plastic rotation limit for Limited Damage performance level [rad]
ε s (IO) = Allowable reinforcing steel deformation limit for Limited Damage performance level
ε c (IO) = Allowable for Limited Damage performance level confined concrete unit shortening limit
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According to Article 5.8.1.4 of TBDY , it is not allowed to form plastic joints in the carrier system for the Limited Damage (SH) performance level in new buildings . Therefore, for the Limited Damage (SH) performance level of plastic hinges , the plastic rotation limit value θ p (SH) must be zero.
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In this case, the structure only makes elastic deformations. However, since the ŞGDT approach is applied, the effective section stiffness should be as specified in 5.4.5.2 TBDY (Effective Section Stiffness of Structural System Elements
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According to TBDY Article 5.8.1.4 , permissible limit values εc(IO) and εs(IO) Eq.( 5.8a) .
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