Study on Water Characteristic Curve and Shear Characteristics of Typical Unsaturated Silty Clay in Shaoxing

Table 4

The corresponding shear strength values of the conventional direct shear test and the equal suction direct shear test.

Conventional direct shear test				Equal suction direct shear test
Volume water content/%	Matric suction/kPa	Vertical stress/kPa	Shear strength/kPa	Matric suction/kPa	Net vertical stress/kPa	Shear strength/kPa
44.9	1	50	36.3	1	50	36.3
		100	54.8		100	54.8
		200	91.8		200	91.8
43.3	25	50	39.9	25	50	43.3
		100	58.2		100	62.4
		200	94.8		200	100.6
41.8	38	50	42.4	/	/	/
		100	61.2		/	/
		200	98.5		/	/
40.4	50	50	55.6	50	50	57.0
		100	75.1		100	77.6
		200	114.1		200	118.8
37.4	75	50	64.2	/	/	/
		100	84.3		/	/
		200	124.5		/	/
34.8	100	50	72.3	100	50	69.8
		100	92.5		100	91.5
		200	132.9		200	134.7
30.8	150	50	76.3	150	50	80.3
		100	97.2		100	102.6
		200	139.4		200	147.4
28.8	200	50	81.3	200	50	84.5
		100	102.4		100	109.1
		200	144.7		200	154.2
24.4	300	50	87.4	300	50	93.7
		100	109.2		100	116.9
		200	152.7		200	163.3
22.3	400	50	92.5	400	50	99.3
		100	114.5		100	122.3
		200	158.6		200	168.3
20.9	500	50	96.8	500	50	103.5
		100	119.5		100	127.1
		200	164.8		200	174.1