Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM)

Table 1

Characterization properties of clayey soil.

Property description of clayey soil and units	Value
% passing sieve, no. 200 (0.075 mm) [28]	45
(%)	14
(%)	66
(%)	21
	45
[33]	23.35
Degree of expansion [33]	High
(specific gravity)	1.43
AASHTO classification [36]	A-7-6
Unified soil classification system	CH
(g/cm^3) (MDD)	1.25
(%) (OMC)	16
CBR (%)	8
Color	Reddish