enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Direct shear test - Wikipedia

    en.wikipedia.org/wiki/Direct_shear_test

    A direct shear test is a laboratory or field test used by geotechnical engineers to measure the shear strength properties of soil [1] [2] or rock [2] material, or of discontinuities in soil or rock masses. [2] [3] The U.S. and U.K. standards defining how the test should be performed are ASTM D 3080, AASHTO T236 and BS 1377-7:1990

  3. Soil test - Wikipedia

    en.wikipedia.org/wiki/Soil_test

    A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely conducted soil tests are those performed to estimate the plant-available concentrations of nutrients in order to provide fertilizer recommendations in agriculture.

  4. Geotechnical investigation - Wikipedia

    en.wikipedia.org/wiki/Geotechnical_investigation

    Direct shear test ASTM D3080. The direct shear test determines the consolidated, drained strength properties of a sample. A constant strain rate is applied to a single shear plane under a normal load, and the load response is measured. If this test is performed with different normal loads, the common shear strength parameters can be determined ...

  5. Dilatancy (granular material) - Wikipedia

    en.wikipedia.org/wiki/Dilatancy_(granular_material)

    Dilatancy of a sample of dense sand in simple shear. The phenomenon of dilatancy can be observed in a drained simple shear test on a sample of dense sand. In the initial stage of deformation, the volumetric strain decreases as the shear strain increases. But as the stress approaches its peak value, the volumetric strain starts to increase.

  6. Shear strength (soil) - Wikipedia

    en.wikipedia.org/wiki/Shear_strength_(soil)

    This strict definition of the steady state was used to describe soil shear as a dynamical system (Joseph 2012). Dynamical systems are ubiquitous in nature (the Great Red Spot on Jupiter is one example) and mathematicians have extensively studied such systems. The underlying basis of the soil shear dynamical system is simple friction (Joseph 2017).

  7. Category:Soil shear strength tests - Wikipedia

    en.wikipedia.org/wiki/Category:Soil_shear...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  8. Shear strength (discontinuity) - Wikipedia

    en.wikipedia.org/wiki/Shear_strength_(Discontinuity)

    Only for simple models of discontinuities the shear strength can be analytically calculated. [8] For real discontinuities no analytical calculation method exists. Testing on various scales in the laboratory or in the field, or empirical calculations based on characterizing the discontinuity [12] [14] [15] are used to establish the shear strength.

  9. Triaxial shear test - Wikipedia

    en.wikipedia.org/wiki/Triaxial_shear_test

    Triaxial apparatus with sample attached ready for testing. In materials science, a triaxial shear test is a common method to measure the mechanical properties of many deformable solids, especially soil (e.g., sand, clay) and rock, and other granular materials or powders.