Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests

Table 10

Maximum acceleration responses of the test structure.

PGA (g)	Maximum 1^st floor acceleration (g)		Maximum 2^nd floor acceleration (g)		Maximum 1^st floor amplification factor		Maximum 2^nd floor amplification factor
	X	Y	X	Y	X	Y	X	Y
0.13	0.21	0.17	0.33	0.29	1.79	1.51	2.74	2.72
0.26	0.51	0.44	0.67	0.53	1.76	1.97	2.21	2.45
0.52	0.67	0.65	1.17	1.04	1.51	1.46	2.03	2.33
0.78	0.94	0.83	1.47	1.39	1.19	1.18	1.82	1.96
1.04	1.11	1.41	1.86	1.66	1.11	1.63	1.63	1.90
1.30	1.80	1.59	2.23	1.83	1.49	1.51	1.73	1.74
1.56	1.59	1.76	2.72	2.45	1.06	1.34	1.67	1.81