Geotechnical Properties and Microstructure of Lime-Fly Ash-Phosphogypsum-Stabilized Soil

Table 4

pH and specific density of expansive soil (raw PG and treated PG).

Stabilizer (%)	pH		Specific density (g/cm^3)
	Raw PG	Treated PG	Raw PG	Treated PG
0	10.32	10.32	2.652	2.652
10	10.52	11.55	2.666	2.669
20	10.37	11.63	2.673	2.678
30	10.73	11.91	2.678	2.688
40	11.01	12.23	2.681	2.697
50	11.53	12.57	2.685	2.698