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

Table 11

Maximum gap opening rotation of joints.

PGA (g)	Maximum rotation of column-base joints (%)		Maximum residual rotation of column-base joints (%)		Maximum rotation of beam-column joints (%)		Maximum residual rotation of beam-column joints (%)
	X	Y	X	Y	X	Y	X	Y
0.13	0.14	0.17	0.03	0.03	0.18	0.18	0.03	0.05
0.26	0.29	0.33	0.03	0.03	0.38	0.30	0.05	0.07
0.52	0.68	0.65	0.04	0.03	0.78	0.73	0.05	0.05
0.78	1.04	1.27	0.04	0.03	1.25	1.48	0.06	0.07
1.04	1.67	1.63	0.07	0.04	2.03	1.91	0.07	0.06
1.30	2.17	2.44	0.06	0.04	2.56	2.88	0.07	0.05
1.56	2.84	3.10	0.09	0.05	2.98	3.52	0.08	0.06