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

Table 14

HE/IE spectral shape parameters for site class D.

	Mean + σ				Mean + 2σ
	Hysteresis model BP
µ	2	3	4	5	2	3	4	5
	0.512	0.623	0.668	0.696	0.531	0.637	0.677	0.703
(s)	5	5	3.48	3.094	5	5	3.6	3.061
	N/A	N/A	−0.0256	−0.0289	N/A	N/A	−0.0244	−0.0233
	N/A	N/A	0.757	0.785	N/A	N/A	0.765	0.775
	Hysteresis model SD
µ	2	3	4	5	2	3	4	5
	0.609	0.682	0.699	0.712	0.617	0.686	0.700	0.712
(s)	2.230	2.071	1.486	1.321	2.368	2.162	1.633	1.605
	−0.0142	−0.0262	−0.0283	−0.0335	−0.0142	−0.0262	−0.0235	−0.0291
	0.641	0.736	0.741	0.756	0.642	0.732	0.738	0.759
	Hysteresis model BF
µ	2	3	4	5	2	3	4	5
	0.336	0.417	0.442	0.460	0.349	0.426	0.45	0.469
(s)	5	5	5	2.99	5	5	5	3.066
	N/A	N/A	N/A	−0.038	N/A	N/A	N/A	−0.0383
	N/A	N/A	N/A	0.574	N/A	N/A	N/A	0.587
	Hysteresis model BS
µ	2	3	4	5	2	3	4	5
	0.367	0.437	0.408	0.395	0.373	0.473	0.448	0.427
	0.0493	0.0813	0.111	0.127	0.0477	0.0752	0.105	0.121
(s)	0.755	0.678	0.696	0.680	0.773	0.659	0.671	0.682
	0.326	0.377	0.395	0.395	0.336	0.387	0.405	0.412
(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