HGE FORMULAS

1) Void Ratio Formula

2) Relationship between Soil Thickness and Void Ratio

3) Porosity

4) Degree of saturation

5) Water Moisture Content

6) Specific Gravity of Soil Solids

7) Kanal

8)Air Void Ratio

9) Air Content

11) Dry unit weight

12) Wet/Moist unit weight

13) Saturated unit weight

14) Buoyant/Effective/Submerged Unit weight

15) Bulk Specific Gravity

16) Relative Density

17) Relative Compaction

18) Plasticity Index

19) Shrinkage (Semi-Solid)

20) Water Moisture Content

21) Shrinkage Limit (2 formulas)

22) Specific Gravity of Soil Grains

23) Shrinkage Ratio

24) Volumetric Change

25) Liquidity Index

26) Consistency Index

Plasticity Index % (Plastic Ranges)

Shrinkage Index % (Moisture Content Ranges)

Consistency Index (Firmness Ranges)

38)Transmissivity

39) Hydraulic Gradient (Constant head), one h

40) Hydraulic Gradient (Falling Head), two h

41) Critical Hydraulic Gradient

42) Darcy's Law (Theoretical)

43) Seepage Velocity (interstitial/actual velocity)

44) Fluid Flow

45) Hydraulic Conductivity/Coefficient of Permeability (COARSE)

46) Falling Head Permeability Test (Fine)

47) Temperature Correction

48) Temperature Correction Factor

48a) Unit Weight Submerged

49) Parallel/Horizontal Flow

50) Perpendicular/Vertical Flow

51) Discharge

52) Coefficient of Permeability (Unconfined, No thickness)

53) Coefficient of Permeability ( Confined, w/ Thickness)

54) Transmissivity

55) Seepage Flow for Isotropic Soil

57) Shape Factor

58) Seepage Force

59) Volume of Water lost

60) Seepage Pressure

61) Seepage Pressure Max

62) Total Stress/pressure

63) Pore Water Pressure

64) Effective Stress/Pressure

65) Ymost using Caltech

66) Capillary Zone stress

67) For capillary zone, if s is not given what is s?

1

68) What is the water pressure for capillary zone? + or -?

-

69) What is the water pressure for below ground water table? + or-?

+

70) Effective Stress/ Pressure

71) Factor of Safety against Heaving

71a) Height of Capillary Rise

73) Primary Settlement

Over Consolidated, Case 1

Over Consolidated, Case 2

74ba) Compression Index

74bb) Swell Index

75) Elastic Settlement

76) Footing Pressure

77) Secondary Settlement

78) Final Void Ratio

79) Change in void ratio

80) Rectangular, Change in p

81) Circular, Change in P

82) Square, Change in p

83) Direct Shear Stress

84) Normal Stress

85) Circular Footing

86) Square Footing

87) Strip Footing

88) Rectangular Footing

89) Cohesion

90) Local Shear Failure

91) Q ultimate

92) Q allowable

94) Skin Friction Capacity on clay

96) End bearing Capacity, on clay

97) Nc if not given

q

98) Alpha if not given (Pile Capacity)

0.9

99) What mode to perform in order to get nominal diameter?

MODE 3-4

100) Uniform Coefficient

101) Coefficient of Gradation/Curvature,

102)Sorting Coefficient

103)Suitability Number

Soil Rating

109) Group Index

110) A-line formula

111) Draw Cohesive Soil Diagram

112) Draw Cohesionless Soil Diagram