Loadings and Strains in Soils

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1 Lecture 7 - Dynamic Properties of Soils Page 1 Loadings and Strains in Soils Impulse or Shock loading

2 Lecture 7 - Dynamic Properties of Soils Page 2 Modeling of Soil Behavior Under Loading

3 Lecture 7 - Dynamic Properties of Soils Page 3 Soil Models - Linear Model Linear Elastic Model Pasted from < Linear Elastic Model with Yielding and Unloading Pasted from <

4 Lecture 7 - Dynamic Properties of Soils Page 4 Soil Models - Nonlinear Pasted from < Note that this model will approximate the overall stiffness of the system using Esec, but it does not follow the actual stress-strain path

5 Lecture 7 - Dynamic Properties of Soils Page 5 Soil Models (cont.) - Viscoelastic Viscoelastic model Pasted from < Pasted from < Pasted from <

6 Lecture 7 - Dynamic Properties of Soils Page 6 Soil Models (cont.) - Nonlinear Pasted from < S X gr1.jpg> Pasted from < S X gr1.jpg> Note: A series of tangent moduli can be used to model the nonlinear behavior where the tangent modulus is changed each time step according to the axial strain level

7 Lecture 7 - Dynamic Properties of Soils Page 7 More on the Viscoelastic Model

8 Lecture 7 - Dynamic Properties of Soils Page 8 More on the Viscoelastic Model (cont.)

9 Lecture 7 - Dynamic Properties of Soils Page 9 More on the Viscoelastic Model (cont.)

10 Lecture 7 - Dynamic Properties of Soils Page 10 More on the Viscoelastic Model (cont.)

11 Lecture 7 - Dynamic Properties of Soils Page 11 Resonant Column Test (side view)

12 Lecture 7 - Dynamic Properties of Soils Page 12 Resonant Column Test (top view)

13 Lecture 7 - Dynamic Properties of Soils Page 13 Resonant Column Test (isolation table)

14 Lecture 7 - Dynamic Properties of Soils Page 14 Resonant Column Test (cont.)

15 Lecture 7 - Dynamic Properties of Soils Page 15 Resonant Column Test (cont.)

16 Lecture 7 - Dynamic Properties of Soils Page 16 Resonant Column Test (cont.)

17 Lecture 7 - Dynamic Properties of Soils Page 17 Resonant Column Test (cont.)

18 Lecture 7 - Dynamic Properties of Soils Page 18 Cyclic Triaxial Test Pasted from <

19 Lecture 7 - Dynamic Properties of Soils Page 19 Cyclic Triaxial Test (cont.)

20 Lecture 7 - Dynamic Properties of Soils Page 20 Cyclic Triaxial Test (cont.)

21 Lecture 7 - Dynamic Properties of Soils Page 21 Direct Simple Shear

22 Lecture 7 - Dynamic Properties of Soils Page 22 Refraction Survey Pasted from < Pasted from <

23 Lecture 7 - Dynamic Properties of Soils Page 23 Refraction Survey (cont.)

24 Lecture 7 - Dynamic Properties of Soils Page 24 Refraction Survey (cont.)

25 Lecture 7 - Dynamic Properties of Soils Page 25 Refraction Survey (cont.)

26 Lecture 7 - Dynamic Properties of Soils Page 26 Refraction Survey (cont.)

27 Lecture 7 - Dynamic Properties of Soils Page 27 Refraction Survey (cont.)

28 Lecture 7 - Dynamic Properties of Soils Page 28 Refraction Survey (cont.)

29 Lecture 7 - Dynamic Properties of Soils Page 29 Reflection

30 Lecture 7 - Dynamic Properties of Soils Page 30 Reflection

31 Lecture 7 - Dynamic Properties of Soils Page 31 Reflection

32 Lecture 7 - Dynamic Properties of Soils Page 32

33 Lecture 7 - Dynamic Properties of Soils Page 33 Cross Hole

34 Lecture 7 - Dynamic Properties of Soils Page 34

35 Lecture 7 - Dynamic Properties of Soils Page 35 Down Hole

36 Lecture 7 - Dynamic Properties of Soils Page 36

37 Lecture 7 - Dynamic Properties of Soils Page 37 Shear Modulus from Other Geotechnical Tests

38 Lecture 7 - Dynamic Properties of Soils Page 38 Blank

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