Table 3 Calculation results of the parameters of NCE_CS model for N1–N4.

From: Creep behavior of clayey soil and its model prediction in the Cangzhou land subsidence area

Soil sample number

P (MPa)

W

Model parameters

a

b

c

\(\eta\) (MPa min)

Ese (MPa)

N1

0.1

8.677

0.285

0.401

0.733

2.955

2.665

0.2

4.339

2.078

0.423

0.332

2.976

4.577

0.4

2.169

4.159

1.543

0.222

2.807

6.979

0.8

1.085

6.774

1.781

0.181

2.544

12.419

1.6

0.542

11.84

6.466

0.074

2.358

27.352

3.2

0.271

9.523

7.82

0.128

2.596

35.985

N2

0.1

11.860

0.074

0.371

0.789

2.975

3.026

0.2

5.930

1.233

0.654

0.451

2.672

4.946

0.4

2.965

3.828

1.305

0.238

2.67

8.831

0.8

1.482

6.691

2.52

0.249

2.212

15.435

1.6

0.741

8.75

3.98

0.105

2.655

21.798

3.2

0.371

14.186

7.902

0.085

2.845

46.096

N3

0.1

12.407

2.053

0.378

0.677

2.655

4.276

0.4

3.102

4.606

0.604

0.282

2.183

5.346

0.8

1.551

6.480

2.279

0.183

2.120

6.481

1.6

0.775

10.573

4.299

0.114

2.144

11.946

3.2

0.388

15.461

6.558

0.076

2.577

26.289

N4

0.1

14.609

0.042

0.316

0.773

2.979

2.753

0.2

7.305

2.511

0.616

0.463

2.648

11.768

0.4

3.652

3.643

1.167

0.282

2.654

13.364

0.8

1.826

5.350

2.013

0.175

2.629

15.859

1.6

0.913

7.714

3.561

0.106

2.674

24.757

3.2

0.457

11.387

5.594

0.069

2.461

47.252

  1. W is the load action ratio, see Section “Dependence of parameters a, b and c on consolidation pressure” for definition.
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