Seismic Performance of a Corroded Reinforce Concrete Frame Structure Using Pushover Method

Table 4

Parameters of the key points of the P-M-M curves of the RC frame column.

	Maximum compression force (kN)	Maximum tension force (kN)	Maximum bending moment (kN·m)
(a) Column with cross section of 500 × 500 mm
Default hinge (i)	7005.1	682.3	492.3
User-defined hinge (ii)	7231.0	682.0	483.7
Relative error (%) ((ii) − (i)/(i)) × 100%	3.22	−0.04	−1.75
(b) Column with cross section of 400 × 400 mm
Default hinge (i)	4577.4	538.8	258.6
User-defined hinge (ii)	4697.0	538.8	257.9
Relative error (%) ((ii) − (i)/(i)) × 100%	2.61	0	-0.27