Automatic Minimization of the Drift Performance of RC 3D Irregular Buildings Using Genetic Algorithm

Table 1

The TEC-2007 parameters.

Parameters for the model design	Seismic details of the structures
Storey number: 8	Earthquake zone: 1; soil class: Z2
Storey height: 3.0 m	Spectrum characteristic periods T
Columns sections:	TA = 0.15; TB = 0.4
(1) Model: 25/55, 55/25 cm	Earthquake zone factor: A0 =  0.4
(2) Model: 50/50 cm	Importance factor: I = 1
Shear wall: 25/200 cm	Reduction factor: R
Slab thickness: 15 cm	(1) Model R = 8
Concrete class: C25	(2) Model R = 7
Density of concrete: Fc = 25 kN/m^3	Damping ratio = 5%
Modulus of elasticity: Ec = 30000 MPa	Ductility level: high
Steel class: S420: Es = 200000 MPa	Live load factor: 0.3