This Cone Penetration Test (CPT) Sounding follows ASTM D 5778 and was made by ordinary and conventional methods and with care deemed adequate for the Department's design purposes. Since this sounding was not taken to gather information relating to the construction of the project, the data noted in the field and recorded may not necessarily be the same as that which a contractor would desire. While the Department believes that the information as to the conditions and materials reported is accurate, it does not warrant that the information is necessarily complete. This information has been edited or abridged and may not reveal all the information which might be useful or of interest to the contractor. Consequently, the Department will make available at its offices, the field logs relating to this sounding. Minnesota Department of Transportation Geotechnical Section Cone Penetration Test Index Sheet 1.0 (CPT 1.0) USER NOTES, ABBREVIATIONS AND DEFINITIONS This Index sheet accompanies Cone Penetration Test Ratio of sleeve friction over corrected tip Data. Please refer to the Boring Log Descriptive resistance. Terminology Sheet for information relevant to FR = fs/qt conventional boring logs. Vs Shear Wave Velocity A measure of the speed at which a siesmic wave travels through soil/rock. PORE WATER MEASUREMENTS Pore water measurements reported on CPT Log are representative of water pressures measured at the U2 location, just behind the cone tip, prior to the sleeve, as shown in the figure below. These measurements are considered to be dynamic water pressures due to the local disturbance caused by the cone tip. Dynamic water pressure decay and Static water pressure measurements are reported on a Pore Water Pressure Dissipation Graph. Since subsurface conditions outside each CPT Sounding are unknown, and soil, rock and water conditions cannot be relied upon to be consistent or uniform, no warrant is made that conditions adjacent to this sounding will necessarily be the same as or similar to those shown on this log. Furthermore, the Department will not be responsible for any interpretations, assumptions, projections or interpolations made by contractors, or other users of this log. U2 Robertson CPTU 1990 Soil Behavior type based on pore pressure Water pressure measurements and subsequent interpreted water levels shown on this log should be used with discretion since they represent dynamic conditions. Dynamic Pore water pressure measurements may deviate substantially from hydrostatic conditions, especially in cohesive soils. In cohesive soils, water pressures often take extended periods of time to reach equilibrium and thus reflect their true field level. Water levels can be expected to vary both seasonally and yearly. The absence of notations on this log regarding water does not necessarily mean that this boring was dry or that the contractor will not encounter subsurface water during the course of construction. CPT Terminology CPT...Cone Penetration Test CPTU...Cone Penetration Test with Pore Pressure measurements SCPTU...Cone Penetration Test with Pore Pressure and Seismic measurements Piezocone...Common name for CPTU test (Note: This test is not related to the Dynamic Cone Penetrometer DCP) qt TIP RESISTANCE The resistance at the cone corrected for water pressure. Data is from cone with 60 degree apex angle and a 10 cm 2 end area. fs SLEEVE FRICTION RESISTANCE The resistance along the sleeve of the penetrometer. FR SBT SOIL BEHAVIOR TYPE Soil Classification methods for the Cone Penetration Test are based on correlation charts developed from observations of CPT data and conventional borings. Please note that these classification charts are meant to provide a guide to Soil and should not be used to infer a soil classification based on grain size distribution. The numbers corresponding to different regions on the charts represent the following soil behavior types: 1. Sensitive, Fine Grained 2. Organic Soils - Peats 3. Clays - Clay to Silty Clay 4. Silt Mixtures - Clayey Silt to Silty Clay 5. Sand Mixtures - Silty Sand to Sandy Silt 6. Sands - Clean Sand to Silty Sand 7. Gravelly Sand to Sand 8. Very Stiff Sand to Clayey Sand 9. Very Stiff, Fine Grained Note that engineering judgment, and comparison with conventional borings is especially important in the proper interpretation of CPT data in certain geomaterials. The following charts are used to provide a Soil for the CPT Data. Robertson CPT 1990 Soil Behavior type based on friction ratio where... QT... normalized cone resistance Bq... pore pressure ratio Fr... Normalized friction ratio σvo... overburden pressure σ vo... effective over burden pressure u2... measured pore pressure u0... equilibrium pore pressure G:\GEOTECH\PUBLIC\FORMS\CPTINDEX.DOC January 30, 2002
State Project Location 0 939.0 MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION Latitude (North)=45 00'36.58" No Station-Offset Information Available UNIQUE NUMBER 78724 Ramsey Co. Coordinate: X=561198 Y=179958 (ft.) Longitude (West)=93 08'48.21" CPT Machine CPT Operator Ground s03 Hasselquist Hole Type CPT-SEISMIC 205146 CPT Truck (H) 939.0 SHEET 1 of 2 Date Completed 8/1/14 5 934.0 10 929.0 15 924.0 20 919.0 25 914.0 30 909.0 35 904.0 40 899.0 45 894.0 50 889.0 884.0 Index Sheet Code 3.0 (Continued Next Page) C:\6212-62731\Cone\H01G1402C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ
MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION UNIQUE NUMBER 78724 State Project s03 Ground 939.0 Mn/DOT GEOTECHNICAL SECTION - SHEET 2 of 2 884.0 60 879.0 65 874.0 70 869.0 75 864.0 80 859.0 85 854.0 90 849.0 95 844.0 100 839.0 End of Data Bottom of Hole 100.49,Refusal from accumulated side friction C:\6212-62731\Cone\H01G1402C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ
State Project Location 0 940.0 MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION Latitude (North)=45 00'36.47" No Station-Offset Information Available UNIQUE NUMBER 78725 Ramsey Co. Coordinate: X=561317 Y=179947 (ft.) Longitude (West)=93 08'46.56" CPT Machine CPT Operator s04b Hasselquist Hole Type CPT-SEISMIC 205146 CPT Truck (H) Ground 940.0 SHEET 1 of 2 Date Completed 8/5/14 5 935.0 10 930.0 15 925.0 20 920.0 25 915.0 30 910.0 35 905.0 40 900.0 45 895.0 50 890.0 885.0 Index Sheet Code 3.0 (Continued Next Page) C:\6212-62731\Cone\H05G1403C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ
MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION UNIQUE NUMBER 78725 State Project s04b Ground 940.0 Mn/DOT GEOTECHNICAL SECTION - SHEET 2 of 2 885.0 60 880.0 65 875.0 70 870.0 75 865.0 80 860.0 85 8.0 90 850.0 95 845.0 100 840.0 End of Data Bottom of Hole 103.24,Refusal from accumulated side friction C:\6212-62731\Cone\H05G1403C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ
State Project Location 0 937.7 MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION Latitude (North)=45 00'38.4" No Station-Offset Information Available UNIQUE NUMBER 78722 Ramsey Co. Coordinate: X=561315 Y=180143 (ft.) Longitude (West)=93 08'46.58" CPT Machine CPT Operator Ground s01 Hasselquist Hole Type CPT-SEISMIC 205146 CPT Truck (H) 937.7 SHEET 1 of 2 Date Completed 7/31/14 5 932.7 10 927.7 15 922.7 20 917.7 25 912.7 30 907.7 35 902.7 40 897.7 45 892.7 50 887.7 882.7 Index Sheet Code 3.0 (Continued Next Page) C:\6212-62731\Cone\H31L1402C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ
MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION UNIQUE NUMBER 78722 State Project s01 Ground 937.7 Mn/DOT GEOTECHNICAL SECTION - SHEET 2 of 2 882.7 60 877.7 65 872.7 70 867.7 75 862.7 80 857.7 85 852.7 90 847.7 End of Data Bottom of Hole 91.7,Stopped push due to high inclination (crooked rods) C:\6212-62731\Cone\H31L1402C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ
State Project Location 0 939.4 MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION Latitude (North)=45 00'38.31" No Station-Offset Information Available UNIQUE NUMBER 78723 Ramsey Co. Coordinate: X=561199 Y=180133 (ft.) Longitude (West)=93 08'48.19" CPT Machine CPT Operator Ground s02 Hasselquist Hole Type CPT-SEISMIC 205146 CPT Truck (H) 939.4 SHEET 1 of 2 Date Completed 8/1/14 5 934.4 10 929.4 15 924.4 20 919.4 25 914.4 30 909.4 35 904.4 40 899.4 45 894.4 50 889.4 884.4 Index Sheet Code 3.0 (Continued Next Page) C:\6212-62731\Cone\H01G1401C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ
MINNESOTA DEPARTMENT OF TRANSPORTATION - GEOTECHNICAL SECTION UNIQUE NUMBER 78723 State Project s02 Ground 939.4 Mn/DOT GEOTECHNICAL SECTION - SHEET 2 of 2 884.4 60 879.4 65 874.4 70 869.4 75 864.4 80 859.4 85 854.4 90 849.4 95 844.4 100 839.4 End of Data Bottom of Hole 101.59,Refusal from accumulated side friction C:\6212-62731\Cone\H01G1401C.DAT Soil Class: Rock Class: Edit: Date: 9/22/14 G:\GINT\PROJECTS-ACTIVE\.GPJ