Development of Constitutive Model for Precast Prestressed Concrete Segmental Columns

Table 5

Comparison of constitutive model and FE model for displacement of RC3SS 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	41.19	42.28	2.57	78.17	84.28	7.24
200	82.15	84.57	2.86	155.77	167.52	7
300	123.11	127.11	3.14	233.37	250.49	6.83
400	164.06	169.82	3.39	310.98	332.98	6.60
500	205.02	212.69	3.60	388.58	414.78	6.31