Prediction of Subgrade Strength from Index Properties of Expansive Soil Stabilized with Bagasse Ash and Calcined Termite Clay Powder Using Artificial Neural Network and Regression

Table 3

Soil expansiveness based on [21].

Sample designation			% Passing #40 sieve	Expansiveness index based on ERA manual	Remark on expansivity	GI	Reported GI
TP-1	35.50	18.98	99.91	43.66	Moderately expansive	48.73	20
TP-2	32.82	16.69	98.15	46.20	Moderately expansive	46.81	20
TP-3	27.54	14.92	99.47	40.41	Moderately expansive	40.25	20
TP-4	36.43	17.70	98.32	50.91	Highly expansive	52.87	20
TP-5	50.66	21.59	98.15	69.86	Highly expansive	64.37	20
TP-6	40.13	23.62	98.40	36.70	Moderately expansive	53.64	20