High-Performance Steel Bars and Fibers as Concrete Reinforcement for Seismic-Resistant Frames

Table 2

Loading protocol.

Step^a	1	2	3	4	5	6	7	8	9	10	11	12
Drift ratio, %	0.15	0.20	0.30	0.40	0.60	0.80	1.0	1.5	2.0	3.0	4.0	5.0

^aTwo symmetrical cycles of loading in each step, with equal drifts in the positive and negative direction, as recommended in FEMA 461 [18].