Correlation Analysis and Prediction of the Physical and Mechanical Properties of Coastal Soft Soil in the Jiangdong New District, Haikou, China

Table 1

Statistics of physical and mechanical indexes of the fourth member sedimentary soil of the tertiary Haikou Formation.

Statistical method	Wet density	Dry density	Moisture content	Porosity ratio	Saturation	Specific gravity of soil particles	Liquid limit
	ρ	ρd	ω0	e0	Sr	Gs	ωL
	(g/cm)^3	(g/cm)^3	(%)		(%)		(%)
Number of samples	235	235	279	176	176	279	279
Maximum	2.09	1.11	20.6	0.545	83	2.65	23.3
Minimum	1.66	1.72	51.7	1.433	100	2.73	68.1
Mean	1.88	1.44	30.8	0.885	94	2.7	36.4
Standard deviation	0.084	0.14	7.737	0.204	3.789	0.019	10.321
Coefficient of variation	0.044	0.097	0.251	0.231	0.04	0.007	0.284
Standard value	—	—	—	—	—	—	—
Statistical method	Plastic limit	Plasticity index	Liquidity index	Modulus of compression	Compression coefficient	Cohesive force	Internal friction angle
	ωp	Ip	IL	Es1–2	σ1–2	C	ϕ
	(%)		(%)	(MPa)	(MPa)^−1	(kPa)	(Degree)
Number of samples	279	279	279	177	177	154	154
Maximum	13.2	8	0.13	3.86	0.025	20.2	6
Minimum	37.3	33.4	2.29	68.24	0.602	168	38
Mean	20	16.4	0.71	21.64	0.127	78.4	23.2
Standard deviation	4.961	5.828	0.316	12.059	0.097	35.388	6.727
Coefficient of variation	0.248	0.356	0.447	0.557	0.766	0.451	0.289
Standard value	—	—	—	—	—	73.5	22.3