The Effect of Polymer-Fiber Stabilization on the Unconfined Compressive Strength and Shear Strength of Sand

Table 4

Direct shear strengths of sand samples.

Serial; number	Dry density; (g/cm^3)	Content of polymer (%)	Content of fiber (%)	Cohesion; (kPa)	Angle of internal friction; (degree)
	1.5	0	0	5.21	30.12
	1.5	0	0.1	8.94	30.74
	1.5	0	0.2	13.14	35.00
	1.5	0	0.3	12.21	30.54
	1.5	0	0.4	10.4	27.31
	1.5	1	0	18.27	28.37
	1.5	1	0.1	20.31	29.6
	1.5	1	0.2	21.15	30.96
	1.5	1	0.3	15.32	27.19
	1.5	1	0.4	8.65	26.66
	1.5	2	0	25.43	27.7
	1.5	2	0.1	28.98	28.12
	1.5	2	0.2	32.15	30.54
	1.5	2	0.3	30.63	26.61
	1.5	2	0.4	17.31	25.84
	1.5	3	0	40.27	25.25
	1.5	3	0.1	49.38	27.7
	1.5	3	0.2	57.59	29.1
	1.5	3	0.3	43.62	26.57
	1.5	3	0.4	29.94	24.7
	1.5	4	0	70.19	25.36
	1.5	4	0.1	75.32	26.58
	1.5	4	0.2	80.36	27.9
	1.5	4	0.3	60.85	23.75
	1.5	4	0.4	47.56	22.66