Effect of Dry-Wet Cycles on Strength Properties and Microstructure of Lime-Metakaolin-Modified Soil

Table 2

Main components of silty soil, lime, metakaolin, and hydraulic lime.

Materials	SiO2	CaO	Fe2O3	TiO2	Al2O3	K2O	MgO	SO3	Others
Silty soil	67.89	3.04	5.97	2.86	11.58	1.75	2.82	0.46	2.63
MK	49.73	1.72	2.23	1.56	41.18	0.17	0.13	0.09	3.19
NHL	13.33	75.36	1.60	0.14	2.62	0.99	2.16	0.67	3.13
Lime	1.01	95.60	0.21	—	1.55	—	0.16	0.06	2.12