Progressive Collapse Resistance Mechanism of RC Frame Structure Considering Reinforcement Corrosion

Table 5

Peak load and ultimate load of each concrete strength model.

No.	Peak load Fp (kN)	Displacement corresponding to peak load (mm)	Ultimate load Fu (kN)	Ultimate displacement (mm)	Fu/Fp
C43-0	83.87	58.04	81.14	600	0.970
C43-10	65.89	56.71	52.68	590	0.800
C43-20	53.36	50.30	43.47	589	0.815
C43-30	50.48	49.69	39.40	597	0.781
C35-0	79.10	69.69	79.40	600	1.004
C35-10	60.96	60.93	49.14	595	0.806
C35-20	49.14	50.04	44.14	591	0.898
C35-30	46.24	47.38	40.19	553	0.869
C30-0	78.59	70.76	80.16	580.19	1.020
C30-10	58.57	72.10	46.04	579.70	0.786
C30-20	47.63	67.29	40.63	579.21	0.853
C30-30	42.60	47.41	38.76	571.52	0.909