Development of Constitutive Model for Precast Prestressed Concrete Segmental Columns

Table 3

Displacement comparison of the constitutive model and FE model of RC1SS 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	3.88	3.70	4.60	15.38	14.78	4
200	7.73	7.39	4.60	30.75	29.57	4
300	11.60	11.09	4.60	46.13	44.37	4
400	15.47	14.79	4.60	61.51	59.15	4
500	19.33	18.49	4.60	76.89	73.94	4