Earthquake Design of Reinforced Concrete Buildings Using NSGA-II

Table 1

Parameter values to calculate the acceleration spectra.

Zone	c	a0	Ta	Tb	r
I	0.16	0.04	0.2	1.35	1.0
II	0.32	0.08	0.2	1.35	1.33
IIIa	0.40	0.10	0.53	1.8	2.0
IIIb	0.45	0.11	0.85	3	2.0
IIIc	0.40	0.10	1.25	4.2	2.0
IIId	0.30	0.10	0.85	4.2	2.0