Data & Results Tab

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Navigation:  Chapter 9 Geotechnical Data Management > Geotechnical Tests > Entering Test Data > Soil and Aggregates Tests > R-Value > Data Entry >

Data & Results Tab

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This tab is used to specify the data and results of the test.

 

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Toolbar

 

The buttons on the toolbar at the top of the tab can be used to enter, copy, and paste the data.

 

Add: This is used to add a new set of measurements at the selected row.

 

Delete: This is used to delete the measurements on the selected row.

 

Cut: This will cut (remove) all of the measurements and store them in the clipboard.

 

Copy: This will copy all of the measurements and store them in the clipboard.

 

Paste: This will paste the information in the clipboard into the measurement grid. It can be used to copy measurement data from Excel, by selecting and copying the axial force and axial displacement columns in Excel and pasting them into the grid.

 

Clear: This will remove all of the measurements.

 

Measurement Data

 

The data for each specimen consist of the information below:

 

Specimen Height: This is the height of the specimen. The recommended size for specimens is a diameter of 4 in. (101.6 mm) and a height between 2.45 and 2.55 in. (62 to 65 mm). For specimen heights between 2.3 and 2.45 in (58 and 62 mm) or 2.55 to 2.7 in. (65 and 68 mm) a correction is applied to the R-Value.

 

Specimen Mass: If the Calculate Exudation Moisture option is selected on the previous tab, this is the mass of the specimen.

 

Water Added: This is the water added for this measurement.

 

Exudation Moisture:  If the Calculate Exudation Moisture option is selected on the previous tab, this is the calculated exudation moisture.

 

Exudation Pressure: This is the exudation pressure for this measurement.

 

Horizontal Pressure: This is the horizontal pressure for this measurement.

 

Displacement Turns: This is the displacement turns for this measurement.

 

R-Value: This is the calculated R-Value.

 

Corrected R-Value: This is the corrected R-Value for specimen heights not between 2.45 and 2.55 in. (62 to 65 mm). The correction is interpolated from a predefined list of R-Value correction.

 

Results

 

Average Corrected R-Value: This is the average of the corrected R-Values.

 

R-Value at Specified Exudation Pressure: This is the corrected R-Value for the exudation pressure specified on the previous tab.

 

Resilient Modulus at Specified Exudation Pressure: This is the resilient modulus for the exudation pressure specified on the previous tab.

 

R-Value at 300 psi: This the corrected R-Value at 300 psi.

 

R-Value at 400 psi: If the Evaluate Stability option on the previous tab is selected, this is the corrected R-Value at 400 psi.

 

Exudation Moisture at 300 psi: If the Calculate Exudation Moisture option is selected on the previous tab, this is the exudation moisture at 300 psi.

 

Stability: If the Evaluate Stability option on the previous tab is selected, this is the stability of the soil or aggregate material.