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

Table 6

The shear strength contribution value and absolute relative error data table corresponding to different matric suction.

Matric suction/kPa	Measured value/kPa	Model 1/kPa	Model 2/kPa	Model 3/kPa	Improved model/kPa	Absolute relative error of model 1/%	Absolute relative error of model 2/%	Absolute relative error of model 3/%	Absolute relative error of improved model/%
1	0	0	0	0	0	0	0	0	0
25	3.8	11.6	8.4	4	4	67.2	54.8	5.3	5
38	5.9	14.1	12.2	5.9	5.9	58.2	51.6	0	0
50	18.3	15.9	15.3	7.5	17.9	13.1	16.4	59.0	2.2
75	26.3	19.1	20.5	10.4	25.2	27.4	22.1	60.5	4.2
100	34.3	21.7	24.4	12.9	30.1	36.7	28.9	62.4	12.2
150	37.5	26.1	30.6	17.1	36.3	30.4	18.4	54.4	3.2
200	42.4	29.7	34	20.7	40.1	30.0	19.8	51.2	3.1
300	47.9	35.5	39.4	27.1	44.9	25.9	17.7	43.4	6.3
400	52.6	40.5	43.2	33	48.3	23.0	17.9	37.3	8.2
500	56.3	44.8	46.3	38.6	51.0	20.4	17.8	31.4	9.4