Experimental Study on the Modification Mechanisms of Dispersive Soil Treated with Hydroxyl Aluminum

Table 2

Physical and chemical properties of the soil before and after modification with aluminum compounds.

Hydroxyl aluminum content/(mmol·g^-1)	The specific gravity of soil particle	Particle composition/(%)			pH
		Sand; 0.075 mm	Silt; 0.075~0.005 mm	Clay particle; <0.005 mm
0	2.69	6.7	49.8	43.5	9.25
0.08	2.44	4.5	63.1	32.4	8.50
0.10	2.48	4.1	62.6	33.3	8.36
0.20	2.43	3.8	65.8	30.4	8.28
0.40	2.37	10.2	63.8	26.0	8.04