DIN 18137-1:1990-08

1 Scope and field of application
2 Quantities, symbols and units
3 Concepts
      3.1 Total stresses
      3.2 Pore (water) pressure
      3.3 Effective stress
      3.4 Deviator(ic) stress
      3.5 Shear resistance
      3.6 Isotropic pressure
      3.7 Failure criterion
      3.8 Shear strength
      3.9 Shear test
      3.10 Shearing
      3.11 Stress path
      3.12 Limit state
      3.13 Plastic failure
      3.14 Zone rupture
      3.15 Shear band
      3.16 Critical state
      3.17 Critical voids ratio
      3.18 Overcritically and undercritically dense soils
      3.19 Peak state
      3.20 Limit state of an undercritically dense soil
      3.21 Dilation
      3.22 Contractancy
      3.23 Hardening
      3.24 Weakening
      3.25 Residual strength
      3.26 Angle of (internal) friction
      3.27 Cohesion
      3.28 Capillary cohesion
      3.29 Failure criteria
      3.30 Consolidation
      3.31 Consolidation stress
      3.32 Effective vertical in situ stress
      3.33 Classification of consolidation
      3.34 Drained soil
      3.35 Failure criterion and effective shear strength
             parameters of drained soil
      3.36 Parameters cu and qu of undrained cohesive soil
      3.37 Parameters q and c of drained, partially
             saturated soil
      3.38 Test series
      3.39 Back pressure
      3.40 Types of shear tests
4 Test arrangements and general requirements for testing
      4.1 General
      4.2 Test arrangements for determining principle
             stresses and strains in a zone rupture
      4.3 Test arrangements for the investigations of
             shear bands
      4.4 Test arrangements for application of lateral
             shear stresses and formation of a zone rupture
5 Criteria for the selection of test methods and
      procedures
      5.1 Determination of parameters c and q of drained
             saturated soil
      5.2 Determination of the effective angle of friction
             of dry non-cohesive soil
      5.3 Determination of parameters cu and qu of
             undrained cohesive soil
      5.4 Determination of shear strength parameters of
             drained partially saturated soil
6 Requirements for a test series
7 Criteria for the stress conditions in the limit state
      7.1 Limit state for shear bands
      7.2 Limit state for a zone rupture
      7.3 Criteria for the termination of tests
Standards and other documents referred to