Comparative Investigation on Small-Strain Stiffness Characteristics of Undisturbed and Compacted Highly Weathered Granites at Various Densities

Table 3

Fitting parameters of experimental data at various dry densities.

Sample	Parameter	Effective consolidation pressure
		50 kPa	100 kPa	200 kPa	300 kPa	400 kPa	500 kPa	600 kPa	700 kPa	800 kPa	900 kPa
HWG		58.33	90.37	133.96	190.47	243.11	280.44	312.19	340.99	367.67	405.34
		0.0234	0.0344	0.0428	0.0546	0.0557	0.0576	0.0616	0.0655	0.0687	0.0682
		0.6857	0.7038	0.7067	0.6968	0.7213	0.7598	0.7632	0.7925	0.7771	0.7541
		0.9987	0.9983	0.9990	0.9985	0.9993	0.9996	0.9995	0.9991	0.9998	0.9998
HWG R1		60.72	87.49	121.68	162.92	192.95	230.37	269.99	305.07	339.47	365.97
		0.0475	0.0583	0.0866	0.0965	0.1088	0.1234	0.1189	0.1211	0.1281	0.1359
		0.5491	0.5598	0.6290	0.6303	0.6737	0.6822	0.7397	0.7421	0.7379	0.7157
		0.9942	0.9980	0.9983	0.9991	0.9983	0.9966	0.9988	0.9999	0.9991	0.9974
HWG R2		63.83	92.01	128.56	174.70	212.88	246.27	284.52	309.81	339.85	367.01
		0.0324	0.0544	0.0961	0.0933	0.0992	0.1094	0.1097	0.1219	0.1290	0.1334
		0.5011	0.5821	0.5407	0.6137	0.6706	0.6793	0.7010	0.7209	0.7274	0.7471
		0.9914	0.9957	0.9987	0.9977	0.9992	0.9979	0.9992	0.9982	0.9985	0.9990
HWG R3		88.66	126.10	174.16	220.80	257.68	297.91	323.93	349.41	372.76	401.15
		0.0258	0.0406	0.0605	0.0713	0.0834	0.8888	0.1015	0.1090	0.1140	0.1143
		0.6024	0.6935	0.6950	0.7188	0.7507	0.7834	0.7400	0.7665	0.7834	0.8372
		0.9977	0.9975	0.9973	0.9982	0.9988	0.9993	0.9992	0.9992	0.9996	0.9994
HWG R4		74.08	109.10	153.38	199.96	234.23	269.96	296.96	328.90	350.93	381.68
		0.0478	0.0510	0.0691	0.0718	0.0818	0.0890	0.0979	0.1054	0.1157	0.1147
		0.6926	0.6974	0.7318	0.7054	0.7767	0.7814	0.8078	0.7816	0.7831	0.8119
		0.9985	0.9984	0.9986	0.9969	0.9984	0.9990	0.9982	0.9968	0.9987	0.9980