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Triaxial compression testing is commonly used to simulate the stress conditions of soils as a function of confining pressure. This test method determines the strength and stress-strain relationships of a cylindrical soil specimen. The soil specimen is consolidated and sheared in compression with drainage at a constant rate of axial deformation. This test method is applicable to field conditions where the soil has been fully consolidated under drained conditions.

 

Data entry and calculations for this test are performed on the CD Triaxial form described in the next section. After the data and calculations have been performed the results are displayed in a test report as described in the reporting section below. The format of this report is controlled by the geotechnical template used for the test.

 

The methodology and calculations for this test adhere to "ASTM D7181-11 Standard Test Method for Consolidated Drained Triaxial Compression Test for Soils". For more detailed information on the methodology and calculations please review this standard.