Effects of Clay and Moisture Content on Direct Shear Tests for Clay-Sand Mixtures

Table 4

Direct shear test results.

Sample no.	Clay (%)	Dry density (g/cm^3)	Moisture content (%)	Cohesion C, kg/cm^2	Angle of friction (degrees)
DS-1	5	1.73	15	0.120	40.7
DS-2	5	1.73	17.5	0.080	40.3
DS-3	5	1.73	20	0.053	39.6
DS-4	10	1.77	15	0.150	39.4
DS-5	10	1.77	17.5	0.120	39.0
DS-6	10	1.77	20	0.090	38.6
DS-7	15	1.80	15	0.260	41.0
DS-8	15	1.80	17.5	0.150	40.0
DS-9	15	1.80	20	0.040	38.3
DS-10	0	1.63	7.0	0.000	43.0
DS-11	0	1.63	10.0	0.010	41.0
DS-12	0	1.63	13.0	0.090	38.6
DS-13	100	1.20	30.0	1.140	38.7
DS-14	100	1.20	35.0	0.900	35.8
DS-15	100	1.20	40.0	0.610	33.4