Collapsibility of Gypseous Soil Treated with Pectin-Biopolymer through Leaching

Table 2

Physical properties of soil.

Soil types	Grain size distributions (ASTM D422, 2007)			Atterberg limits (ASTM D4318)		Compaction test (ASTM D1557)
	USCS	Cu	Cc	LL (%)	PL (%)	γfeild (kN/m³)	γdmax (kN/m³)	OMC (%)
1	SP	6.3	0.64	35	N.P	14.3	17.3	11
2	SP	7.8	0.55	34	N.P	13.5	16.7	12
3	SP	6	0.58	29	N.P	14.8	15.8	11
4	SP	7	0.78	27	N.P	13.2	15.5	12