Influence of Eggshell Ash and Stone Powder on Geotechnical Properties of Expansive Clay in Dukem Town

Table 3

Mix design considered for laboratory tests.

Sample	Natural soil (%)	ESA (%)	SP (%)
Soil	100	0	0
Expansive clay + ESA	98	2	0
	96	4	0
	94	6	0
	92	8	0
Expansive clay + ESA + SP	89	Optimum amount of ESA (6%) was used throughout this stage	5
	84		10
	79		15
	74		20