NSF (Nylon Synthetic Fiber) Effectiveness in Stabilizing Weak Subgrade Soil: An Experimental Investigation

Table 5

Effect of nylon synthetic fiber on CBR.

Weak subgrade soil + nylon synthetic fiber thread
S. no	Fiber diameter (D (mm))	Fiber length (L (mm))	Aspect ratio (AR) = L/D	% wt. of fibers	CBR value (%)	Soaked CBR swell (%)
1	0.3	10	33.33	0.5	5.03	8.22
				1	5.83	7.09
				1.5	6.575	5.84
				2.5	6.52	3.87
		20	66.67	0.5	5.45	8
				1	6.2	6.13
				1.5	7.38	4.23
				2.5	7.3	3.87
2	0.4	10	25.00	0.5	5.21	6.19
				1	6.39	6.03
				1.5	6.89	5.06
				2.5	6.81	4.11
		20	50.00	0.5	6.01	6.07
				1	6.87	5.66
				1.5	7.96	5.65
				2.5	8.02	5.5