CPT: Geopractica Contracting (Pty) Ltd Total depth: m, Date:
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1 The plot below presents the cross correlation coeficient between the raw qc and fs values (as measured on the field). X axes presents the lag distance (one lag is the distance between two sucessive CPT measurements). CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:05 PM 1
2 SBT - Bq plots SBT legend CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:05 PM 1. Sensitive fine grained 4. Clayey silt to silty clay 7. Gravely sand to sand 2. Organic material 5. Silty sand to sandy silt 8. Very stiff sand to clayey sand 3. Clay to silty clay 6. Clean sand to silty sand 9. Very stiff fine grained 2
3 SBT - Bq plots (normalized) SBTn legend CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:05 PM 1. Sensitive fine grained 4. Clayey silt to silty clay 7. Gravely sand to sand 2. Organic material 5. Silty sand to sandy silt 8. Very stiff sand to clayey sand 3. Clay to silty clay 6. Clean sand to silty sand 9. Very stiff fine grained 3
4 Bq plots (Schneider) CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:05 PM 4
5 CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:05 PM 5
6 SBT legend CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:06 PM 1. Sensitive fine grained 4. Clayey silt to silty clay 7. Gravely sand to sand 2. Organic material 5. Silty sand to sandy silt 8. Very stiff sand to clayey sand 3. Clay to silty clay 6. Clean sand to silty sand 9. Very stiff fine grained 6
7 SBTn legend CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:06 PM 1. Sensitive fine grained 4. Clayey silt to silty clay 7. Gravely sand to sand 2. Organic material 5. Silty sand to sandy silt 8. Very stiff sand to clayey sand 3. Clay to silty clay 6. Clean sand to silty sand 9. Very stiff fine grained 7
8 Calculation parameters Phi: Based on Kulhawy & Mayne (1990) User defined estimation data CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:06 PM 8
9 Calculation parameters User defined estimation data CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:06 PM 9
10 Calculation parameters User defined estimation data CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:06 PM 10
11 Bearing Capacity calculation is perfromed based on the formula: :: Tabular results :: No B (m) Start Depth (m) End Depth (m) Soil Press. (kpa) Ult. bearing cap. (kpa) CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:07 PM 11
12 This software is licensed to: Geopractica Presented below is a list of formulas used for the estimation of various soil properties. The formulas are presented in SI unit system and assume that all components are expressed in the same units. :: Unit Weight, g (kn/m³) :: :: Small strain shear Modulus, Go (MPa) :: :: Shear Wave Velocity, Vs (m/s) :: :: Permeability, k (m/s) :: :: Undrained peak shear strength, Su (kpa) :: :: Remolded undrained shear strength, Su(rem) (kpa) :: :: Young's Modulus, Es (MPa) :: :: Overconsolidation Ratio, OCR :: :: Relative Density, Dr (%) :: :: State Parameter, ψ :: :: In situ Stress Ratio, Ko :: :: Peak drained friction angle, φ ( ) :: :: 1-D constrained modulus, M (MPa) :: References Robertson, P.K., Interpretation of Cone Penetration Tests - a unified approach., Can. Geotech. J. 46(11): (2009) CPeT-IT v CPTU data presentation & interpretation software - Report created on: , 06:23:07 PM 12
Friction (kpa) Cross correlation between qc qc & & fs fs
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