Effect of Keratin Structures from Chicken Feathers on Expansive Soil Remediation

Table 2

Index properties of the expansive soil.

Parameter	Symbol	Value	Norma
Water content		27.86 (%)	ASTM D2216-98 [30]
Unit weight		1.69 (T/m^3)	ASTM D7263-09 [31]
Specific gravity		2.67	ASTM D854-02 [32]
Void ratio		1.32	ASTM D7263-09 [31]
Degree of saturation		75.99 (%)	ASTM D7263-09 [31]
Gravel	G	0.00 (%)	ASTM D2487-00 [33]
Sand	S	2.00 (%)	ASTM D2487-00 [33]
Fine	C	98.00 (%)	ASTM D2487-00 [33]
Liquid limit	LL	85.51 (%)	ASTM D4318-00 [34]
Plastic limit	LP	33.19 (%)	ASTM D4318-00 [34]
Plasticity index	Ip	52.32 (%)	ASTM D4318-00 [34]
Shrinkage limit	SL	14.51 (%)	ASTM D427-04 [35]
Classification	USCS	CH	ASTM D2487-00 [33]