Effect of Moisture Content on the Shear Behaviour of a Completely Decomposed Granite: An Experimental Study

Table 2

Details of the in situ and laboratory direct shear tests.

Sample identification	Normal stress (kPa)	Peak shear stress (kPa)	Residual shear stress (kPa)	Moisture content (%)	Void ratio
si1^a	0	60	12	3.23	0.563
si2	50	140	53	4.64	0.531
si3	100	230	121	3.79	0.511
si4	150	210	103	4.73	0.584
si5	200	309	216	3.95	0.562
si6	300	360	269	4.25	0.539
si7	0	35	18	19.62	0.529
si8	50	80	63	20.95	0.533
si9	100	95	60	21.29	0.505
si10	150	145	111	19.36	0.561
si11	200	180	150	20.84	0.554
si12	0	54	14	7.96	0.519
si13	50	125	55	8.14	0.531
si14	100	175	85	8.99	0.550
si15	150	206	141	9.62	0.586
si16	200	238	179	8.31	0.542
la12^b	50	94	38	1.49	0.607
la13	100	189	91	1.54	0.513
la14	150	225	113	1.26	0.533
la15	200	234	144	1.39	0.600
la16	50	69	38	20.08	0.519
la17	100	87	65	22.03	0.552
la18	150	139	85	19.34	0.463
la19	200	122	114	22.99	0.590
la20	50	102.9	40.3	7.16	0.524
la21	100	174.5	66.3	8.21	0.596
la22	150	200.1	116.1	7.95	0.557
la23	200	226.7	143.8	7.33	0.549

^asi means the in situ test; ^bla means the laboratory test.