Electronic Supplement to
Nonlinear Site Models Derived from 1D Analyses for Ground-Motion Prediction Equations Using Site Class as the Site Parameter

by J. X. Zhao, Junsheng Hu, Fei Jiang, Jun Zhou, Yingbin Zhang, Ming Lu, Xiaowen An, and David A. Rhoades

Table S7. C_B(T) for Various Impedance Ratios of SC IV2 Sites

Spectral Period T (s)	Impedance Ratio
	2.0	3.0	4.0	5.0	6.0	7.0	8.0
PGA	−0.344	−0.391	−0.425	−0.451	−0.472	−0.490	−0.506
0.05	−0.362	−0.409	−0.443	−0.470	−0.491	−0.509	−0.525
0.10	−0.104	−0.172	−0.220	−0.257	−0.288	−0.313	−0.336
0.15	0.0449	0.0033	−0.0261	−0.0490	−0.0677	−0.0835	−0.0971
0.20	0.117	0.0932	0.0760	0.0627	0.0518	0.0426	0.0346
0.25	0.127	0.117	0.110	0.104	0.100	0.0963	0.0931
0.30	0.154	0.156	0.158	0.159	0.160	0.161	0.162
0.35	0.176	0.188	0.197	0.204	0.210	0.214	0.219
0.40	0.175	0.196	0.211	0.223	0.233	0.241	0.248
0.45	0.148	0.177	0.197	0.213	0.226	0.237	0.246
0.50	0.111	0.146	0.171	0.190	0.206	0.219	0.231
0.60	0.0362	0.0820	0.115	0.140	0.160	0.178	0.193
0.70	−0.0209	0.0331	0.0715	0.101	0.125	0.146	0.164
0.80	−0.0529	0.0075	0.0504	0.0836	0.111	0.134	0.154
0.90	−0.0858	−0.0176	0.0308	0.0683	0.0990	0.125	0.147
1.00	−0.141	−0.0610	−0.0045	0.0394	0.0752	0.105	0.132
1.25	−0.282	−0.184	−0.114	−0.0595	−0.0152	0.0223	0.0548
1.50	−0.438	−0.340	−0.270	−0.216	−0.171	−0.134	−0.101
2.00	−0.733	−0.647	−0.586	−0.538	−0.499	−0.466	−0.438
2.50	−0.638	−0.562	−0.509	−0.467	−0.433	−0.404	−0.380
3.00	−0.440	−0.381	−0.338	−0.306	−0.279	−0.257	−0.237
3.50	−0.198	−0.151	−0.118	−0.0922	−0.071	−0.0535	−0.0381
4.00	0.0523	0.0903	0.117	0.138	0.155	0.170	0.182

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