An Experimental Study on the Geotechnical, Mineralogical, and Swelling Behavior of KPK Expansive Soils

Table 3

Summary of the gradation tests showing the percentages of coarse and fine fractions.

Soil	Gradation
	Coarse fraction		Fine fraction
	Gravel (%)	Sand (%)	Silt (%)	Clay (%)
Karak	0.0	28	44	28
D.I Khan	0.0	37	46	17
Kohat	0.0	36	41	23