Effect of Joint Flexibility on Seismic Performance of a Reinforced Concrete Ductile Moment-Resisting Frame

Table 3

Seismic demands placed upon the four-story frames for the selected ground motions.

Record ID	Maximum roof drift ratio (%)			Maximum normalized base shear			Maximum IDR at 3FL level (%)			Maximum SDI of interior joint at 3FL level
	PF4	PF4-noJH	PF4-R	PF4	PF4-noJH	PF4-R	PF4	PF4-noJH	PF4-R	PF4	PF4-noJH	PF4-R
1	0.51	0.51	0.50	0.25	0.24	0.26	0.69	0.68	0.67	0.15	0.20	—
2	1.99	1.99	1.48	0.52	0.51	0.54	2.63	2.62	2.01	0.32	0.39	—
3	0.84	0.83	0.81	0.34	0.34	0.35	1.12	1.10	1.00	0.18	0.21	—
4	2.14	2.12	—	0.48	0.47	—	3.02	2.99	—	0.23	0.27	—
5	3.69	3.69	3.47	0.64	0.63	0.69	5.28	5.27	4.97	0.45	0.46	—
6	0.81	0.81	0.79	0.34	0.35	0.34	1.09	1.09	1.06	0.17	0.20	—
7	1.05	1.05	0.91	0.37	0.37	0.40	1.43	1.43	1.23	0.19	0.28	—