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1 FIG_18.jpg. 2 Atterberg Limits of Bay Mud FIG_18A.jpg.

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Presentation on theme: "1 FIG_18.jpg. 2 Atterberg Limits of Bay Mud FIG_18A.jpg."— Presentation transcript:

1 1 FIG_18.jpg

2 2 Atterberg Limits of Bay Mud FIG_18A.jpg

3 3 Variation of Index Properties with Depth Muni Metro Turnback Site (Embarcadero Waterfront) FIG_19.jpg

4 4 Index Properties of Bay Mud Islais Creek Area Marshlands (Contract C Alignment) FIG_20.jpg

5 5 Index Properties of Bay Mud Islais Creek Channel Area (Digesters Project) FIG_21.jpg

6 6 Index Properties of Bay Mud DTX Segment Along Townsend Street (Mission Bay Area) FIG_22.jpg

7 7 Normalized Undrained Strength Behavior of Bay Mud DSS Tests FIG_23.jpg

8 8 Variation of Normalized Strength Ratios with Overconsolidation Ratio FIG_24.jpg

9 9 SHANSEP Principles of Normalized Undrained Strength Behavior FIG_25.jpg

10 10 Anisotropic Behavior of Soft Clays FIG_26.jpg

11 11 Normalized Strength-Strain Behavior from Undrained Ko-Triaxial Compression Tests FIG_27.jpg

12 12 Pore Pressure Behavior from Ko-Triaxial Compression Tests: NC Soil FIG_28.jpg

13 13 Excess Pore Pressures from Ko-Triaxial Compression Tests: OC Soil FIG_28A.jpg

14 14 Effective Stress Paths from Ko-Triaxial Compression Tests FIG_29.jpg

15 15 Anisotropy and Strain Compatibility Considerations FIG_30.jpg

16 16 Correlation of Normalized Strength Ratios from DSS and Vane Shear Tests FIG_31.jpg

17 17 SHANSEP Principles of Normalized Undrained Strength Behavior FIG_32.jpg

18 18 Undrained Shear Strengths from Vane Shear Tests Islais Creek T/S Project (Contract D) FIG_33.jpg

19 19 Stress History and Vane Shear Strengths Muni Metro Turnback Site FIG_34.jpg

20 20 Undrained Shear Strengths from Vane Shear Tests DTX Alignment Along Townsend Street FIG_35.jpg

21 21 Undrained Shear Strengths from Vane Shear Tests Islais Creek Area Along Davidson Street FIG_36.jpg

22 22 Stress History and Undrained Strengths from Vane Shear Islais Creek (Contract C) FIG_37.jpg

23 23 Vane Shear Strengths and Excavation Deformations Rankin Pump Station Site: Islais Creek Estuary FIG_37A.jpg

24 24 Undrained Shear Strengths from Vane Shear and Torvane Tests Hamilton Field, Deep Mud Area FIG_38.jpg

25 25 Undrained Shear Strength of a Site Undergoing Consolidation Under Recent Reclamation Fill FIG_39.jpg

26 26 Stress History and Undrained Vane Shear Strengths of Organic Bay Mud at a Recently Reclaimed Site FIG_40.jpg

27 27 Variations in Undrained Shear Strengths Between Offshore and Onshore Sites FIG_41.jpg

28 28 Field Vane Tests Inner Marshlands of Islais Creek Shallow Mud (Contract C Site) FIG_42.jpg

29 29 Comparison of Field Vane Shear Strength with Geotechnical Report Recommendations FIG_43.jpg

30 30 Vane Shear Strength Inner Marshlands at Islais Creek – Contract C Near McKinnon Street (Deeper Mud) FIG_44.jpg

31 31 Typical Results of CPT Tests in Bay Mud FIG_45.jpg

32 32 Correlation of Undrained Strengths from CPT and Vane Shear Tests Hamilton Field Site FIG_46.jpg

33 33 Correlation of Undrained Strengths from CPT and Vane Shear Tests Mission Bay Site Along Townsend Street FIG_47.jpg

34 34 Estimation of Maximum Past Pressures from Vane Shear Tests Hamilton Field Site FIG_48.jpg

35 35 Maximum Past Pressures Estimated from Vane Shear Tests Mission Bay Along Townsend Street FIG_49.jpg

36 36 Estimation of Maximum Past Pressures from Vane Shear Tests Hamilton Field Site: Shallow Mud Area Under Existing Levees FIG_50.jpg

37 37 Estimation of Maximum Past Pressures from Vane Shear Tests Shallow Mud – Free Field Area (HW) FIG_51.jpg

38 38 Estimation of Maximum Past Pressures from Vane Shear Tests Muni Metro East Site FIG_52.jpg

39 39 Undrained Shear Strenghts from Vane Shear Tests Muni Metro East Side FIG_52A.jpg

40 40 Estimation of Maximum Past Pressures from Vane Shear Tests Transbay Terminal Site FIG_53.jpg

41 41 Comparison of Undrained Shear Strengths from Vane Shear and UU Tests Muni Metro Turnback Site FIG_54.jpg

42 42 Title FIG_54A.jpg

43 43 Undrained Strengths from Vane Shear, UU, and Torvane Tests Digesters Site – Islais Creek Estuary FIG_55.jpg

44 44 Normalized Undrained Modulus from DSS Tests Normally Consolidated Bay Mud FIG_56.jpg

45 45 Normalized Undrained Modulus from DSS Tests Normally and Overconsolidated Bay Mud FIG_57.jpg

46 46 Variation of Normalized Modulus with Strain Level Ko- Triaxial Compression Tests FIG_58.jpg

47 47 Variation of Compression Ratio with Moisture Content: Bay Mud and Stiff Clays at Hamilton Field Site FIG_59.jpg

48 48 Variation of Compression Ratio with Moisture Content North Bay Site FIG_60.jpg

49 49 Variation of Recompression Ratio with Moisture Content FIG_61.jpg

50 50 Variation of Coefficients of Vertical Consolidation with Liquid Limit FIG_62.jpg

51 51 Variation of Hydraulic Conductivity with Void Ratio FIG_62A.jpg

52 52 Coefficient of Vertical Consolidation of Organic Bay Mud FIG_63.jpg

53 53 Post-Construction Settlements at a Preloaded Site North Bay Site FIG_64.jpg

54 54 Asaoka Method for Estimation of Coefficients of Consolidation and End of Primary Consolidation FIG_65.jpg

55 55 Estimates of Coefficients of Horizontal Consolidation Using the Asaoka Method (Jamialkowski, et al., 1995) FIG_66.jpg

56 56 Variation of Ch with Drain Spacing FIG_67.jpg

57 57 Variation of Coefficients of Secondary Consolidation with Consolidation Stress FIG_68.jpg

58 58 Variation of Coefficient of Secondary Consolidation with Moisture Content FIG_69.jpg

59 59 Variation of Ca with Moisture Content FIG_70.jpg

60 60 Long-Term Settlements at Mission and Howard Streets FIG_71.jpg

61 61 Extrapolation of Settlement Data at Mission Street Secondary Compression FIG_72.jpg

62 62 Estimation of Coefficients of Secondary Consolidation from Long-Term Settlement Data FIG_73.jpg

63 63 Estimation of Coefficients of Secondary Consolidation from Settlement Data FIG_74.jpg

64 64 Effects of Surcharge on Secondary Compression (Ladd, 1989) FIG_75.jpg

65 65 Reduction of Coefficient of Secondary Consolidation Due to Surcharge (Ladd, 1989) FIG_76.jpg

66 66 Shear Wave Velocities of Bay Mud FIG_77.jpg

67 67 Tentative Correlation of Shear Wave Velocity with Undrained Shear Strength of Bay Mud FIG_78.jpg


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