Geotechnical Investigation and Microanalysis of Black Cotton Soil Amended with Guar Gum and Polyethylene Terephlate Fibre

Table 5

Soil mixed with guar gum and PET fibre.

Tests conducted	Upper limit				Lower limit				Mean
	0.5 GG + 0.4 PF	0.5 GG + 0.8 PF	0.5 GG + 1.2 PF	0.5 GG + 1.6 PF	0.5 GG + 0.4 PF	0.5 GG + 0.8 PF	0.5 GG + 1.2 PF	0.5 GG + 1.6 PF	0.5 GG + 0.4 PF	0.5 GG + 0.8 PF	0.5 GG + 1.2 PF	0.5 GG + 1.6 PF
OMC (%)	16.5	16.4	16	15.6	14.5	13.6	13	12.4	15.5	15	14.5	14
MDD (g/cc)	1.82	1.67	1.52	1.49	1.7	1.51	1.4	1.35	1.76	1.59	1.46	1.42
CBR (%)	3.24	3.61	6.74	6.97	2.86	3.13	6.2	6.41	3.05	3.37	6.47	6.69

GG: guar gum; PF: PET fibre.