The determination of shear resistance by a laboratory triaxial test on soil samples provides fundamental quantities which apply to the verification of structural safety for static calculation in both foundation work and earthworks.
DIN 18137-2:1990 history
2018DIN EN ISO 17892-8:2018 Geotechnical investigation and testing - Laboratory testing of soil - Part 8: Unconsolidated undrained triaxial test (ISO 17892-8:2018); German version EN ISO 17892-8:2018
2011DIN 18137-2:2011 Soil, investigation and testing - Determination of shear strength - Part 2: Triaxial test
1990DIN 18137-2:1990 Soil, testing procedures and testing equipment; determination of shear strength; triaxial test