Development of Constitutive Model for Precast Prestressed Concrete Segmental Columns

Table 4

Displacement comparison of the constitutive model and FE model of RC2SS at node 1.

Lateral load; (kN)	Constitutive model; (plane stress); (mm)	FE program; (plane stress); (mm)	Percentage difference; (plane stress); (%)	Constitutive model; (plane strain); (mm)	FE program; (plane strain); (mm)	Percentage difference; (plane strain); (%)
0	0	0	—	0	0	—
100	14.82	14.93	0.68	37.38	40.08	6.73
200	29.73	29.62	0.39	75.83	78.95	3.94
300	44.64	44.35	0.66	114.29	117.60	2.8
400	59.55	59.13	0.71	152.75	156.02	2.09
500	74.46	73.94	0.7	191.21	194.19	1.53