Strength and Deformation Properties of Fiber and Cement Reinforced Heavy Metal-Contaminated Synthetic Soils

Table 1

Properties of soils and cement.

Property	Standard	Unit	Kaolin	Sand	Cement
Moisture	JIS A 1203	%	2.90	0.39	0.5
pH	JGS 0211		4.70	7.50	10
EC	JGS 0212	mS/cm	0.42	0.06
Grain size distribution	GB/T 50123-1999
Clay fraction (≤0.005 mm)		%	56.40	0.10	2.3
Silt fraction (0.075–0.005 mm)		%	18.80	2.98	97.7
Sand fraction (2-0.075 mm)		%	24.80	96.92	0
N2-BET
Correlation coefficient (R^2)			0.99	0.99	0.99
Specific surface area		m^2/g	29.41	0.014	0.35
Diameter		nm	29.97
Pore volume		cm^3/g	0.22
Chemical composition
SiO2		%	45.32	93.57	1.94
Fe2O3		%	0.14	0.74	0.23
CaO		%	0.02	1.87	31.31
Al2O3		%	51.13	2.12	0.9
MgO		%	0.28	0.28	0.29
SO3		%	0.09		43.49
TiO2		%	0.68	0.027
Na2O		%	0.56	0.48
K2O		%	1.54	0.59
Cl^−		%	0.01