Seismic Behavior of Steel Off-Diagonal Bracing System (ODBS) Utilized in Reinforced Concrete Frame

Table 8

The values of maximum response of structural frames along various eccentricities.

El Centro time-history accel. loading					General characteristics
Models and numbers	Max. ecc.; (𝑒1)	Max. acc.; (g)	Max. vel.; (cm/s)	Max. displ.; (cm)	Initial stiffness; (KN/cm)	Period; (1st mode); (Sec)	Δ at first yield point; (cm)
ODBS (p0)	0.00	0.342	46.08	3.93	491.78	0.47	2.83
ODBS (p1)	0.1	0.261	40.14	4.67	315.59	0.59	2.49
ODBS (p2)	0.2	0.175	37.72	5.10	158.51	0.83	2.31
ODBS (p3)	0.3	0.073	33.30	6.06	77.49	1.19	2.1
ODBS (p4)	0.4	0.034	34.71	6.81	37.77	1.71	1.7
ODBS (p5)	0.5	0.028	36.95	6.22	17.36	2.52	1.6
ODBS (p6)	0.6	0.023	38.71	6.16	6.50	4.12	1.3
ODBS (p7)	0.7	0.018	40.08	6.00	1.23	9.48	1.1
X-bracing	—	0.581	78.35	2.04	894.39	0.39	2.96