Experimental Study of the Dynamic Shear Modulus Ratio and Damping Ratio of the Quaternary Sedimentary Soils in the Offshore Areas of the Yellow Sea

Table 4

Average values of and at various shear strain levels for Quaternary sedimentary soils in the offshore areas of the Yellow Sea.

Lithology	Geological age/deposit	Parameters	Shear strain (10^-4)
			0.05	0.1	0.5	1.0	5.0	10	50	100
Silt clay	Holocene		0.9883	0.9774	0.9004	0.8220	0.4933	0.3328	0.0958	0.0516
		(%)	3.39	3.42	3.81	4.40	8.19	10.61	14.71	15.54
	Pleistocene		0.9884	0.9772	0.9139	0.8545	0.6043	0.4640	0.1914	0.1199
		(%)	2.90	2.95	3.35	3.85	6.72	8.69	13.07	14.32
Silt sand	Holocene		0.9685	0.9437	0.8078	0.7016	0.3875	0.2668	0.0929	0.0562
		(%)	1.00	1.26	2.83	4.13	8.18	9.79	12.15	12.65
	Pleistocene		0.9774	0.9587	0.8499	0.7581	0.4525	0.3210	0.1166	0.0711
		(%)	1.38	1.50	2.40	3.30	6.78	8.45	11.18	11.81
Clay	Continental depositional		0.9852	0.9730	0.8968	0.8256	0.5395	0.3926	0.1409	0.0835
		(%)	3.81	3.83	4.12	4.58	8.00	10.58	16.16	17.62
	Marine depositional		0.9883	0.9787	0.9181	0.8601	0.6092	0.4659	0.1875	0.1157
		(%)	3.45	3.48	3.80	4.20	6.62	8.33	12.17	13.25