Table 5.

Atterberg limit test results.

Soil sample	LRF slag (%)	Liquid Limit (%)	Plastic Limit (%)	Plasticity Index (%)
Original soil	0	51.32	21.80	29.52
Soil + 5% LRF	5	52.17	21.83	30.34
Soil + 10% LRF	10	47.23	21.92	25.31
Soil + 15%LRF	15	44.81	22.01	22.8
Soil + 20%LRF	20	42.58	22.06	20.52
Soil + 25%LRF	25	40.25	22.56	17.69
Soil + 30%LRF	30	38.85	22.82	16.03
Soil + 35%LRF	35	36.53	23.06	13.47