Damage Assessment of an SRC Frame-Core Tube Structure under the Action of a Main Aftershock Sequence

Table 5

The structural requirements.

Sa(T1, 5%)	Under the main shock		Under the main aftershock
	Log-mean of θmax	Log-standard deviations of θmax	Log-mean of θmax	Log-standard deviations of θmax
0.05	−7.334	0.147	−6.972	0.209
0.10	−6.595	0.159	−6.280	0.200
0.20	−5.838	0.253	−5.464	0.136
0.50	−4.455	0.330	−4.373	0.254
1.00	−3.565	0.294	−3.411	0.232
1.50	−2.924	0.287	−2.798	0.251
2.00	−2.656	0.213	−2.558	0.193
2.50	−2.517	0.133	−2.420	0.120
3.00	−2.421	0.090	−2.324	0.083
3.50	−2.346	0.051	−2.251	0.048
4.00	−2.301	0.002	−2.205	0.002