Hysteresis and Soil Site Dependent Input and Hysteretic Energy Spectra for Far-Source Ground Motions

Table 13

HE/IE spectral shape parameters for site class C.

	Mean + σ				Mean + 2σ
	Hysteresis model BP
	2	3	4	5	2	3	4	5
	0.476	0.592	0.651	0.676	0.509	0.605	0.658	0.684
(s)	5	3.548	2.674	2.605	5	3.727	2.858	2.742
	N/A	−0.0244	−0.0247	−0.0308	N/A	−0.0123	−0.0153	−0.0208
	N/A	0.679	0.717	0.756	N/A	0.651	0.702	0.741
	Hysteresis model SD
	2	3	4	5	2	3	4	5
	0.6	0.667	0.699	0.711	0.607	0.667	0.697	0.718
(s)	5	5	2.441	1.848	5	5	3.244	2.11
	N/A	N/A	−0.0363	−0.0388	N/A	N/A	−0.0275	−0.0275
	N/A	N/A	0.787	0.783	N/A	N/A	0.787	0.776
	Hysteresis model BF
	2	3	4	5	2	3	4	5
	0.337	0.406	0.434	0.444	0.35	0.428	0.442	0.45
(s)	5	5	5	5	5	5	5	5
	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
	Hysteresis model BS
	2	3	4	5	2	3	4	5
	0.351	0.39	0.458	0.424	0.355	0.395	0.466	0.436
	0.0556	0.0892	0.102	0.119	0.0529	0.0871	0.098	0.113
(s)	0.732	0.745	0.642	0.644	0.772	0.806	0.681	0.707
	0.312	0.38	0.396	0.392	0.327	0.406	0.416	0.421
(s)	5	5	5	5	5	5	5	5
	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A