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  2. Downhill creep - Wikipedia

    en.wikipedia.org/wiki/Downhill_creep

    Downhill creep, also known as soil creep or commonly just creep, is a type of creep characterized by the slow, downward progression of rock and soil down a low grade slope; it can also refer to slow deformation of such materials as a result of prolonged pressure and stress.

  3. Critical state soil mechanics - Wikipedia

    en.wikipedia.org/wiki/Critical_state_soil_mechanics

    The claims that critical state soil mechanics is only descriptive and meets the criterion of a degenerate research program have not been settled. Andrew Jenike used a logarithmic-logarithmic relation to describe the compression test in his theory of critical state and admitted decreases in stress during converging flow and increases in stress ...

  4. File:ATL FAA diagram.pdf - Wikipedia

    en.wikipedia.org/wiki/File:ATL_FAA_diagram.pdf

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  5. National Cooperative Soil Survey - Wikipedia

    en.wikipedia.org/wiki/National_Cooperative_Soil...

    The National Cooperative Soil Survey Program (NCSS) in the United States is a nationwide partnership of federal, regional, state, and local agencies and institutions. This partnership works together to cooperatively investigate, inventory, document, classify, and interpret soils and to disseminate, publish, and promote the use of information about the soils of the United States and its trust ...

  6. Sediment transport - Wikipedia

    en.wikipedia.org/wiki/Sediment_transport

    Soil creep; Tree throw; Movement of soil by burrowing animals; Slumping and landsliding of the hillslope; These processes generally combine to give the hillslope a profile that looks like a solution to the diffusion equation, where the diffusivity is a parameter that relates to the ease of sediment transport on the particular hillslope. For ...

  7. Soil mechanics - Wikipedia

    en.wikipedia.org/wiki/Soil_mechanics

    A phase diagram of soil indicating the masses and volumes of air, solid, water, and voids. There are a variety of parameters used to describe the relative proportions of air, water and solid in a soil. This section defines these parameters and some of their interrelationships. [2] [6] The basic notation is as follows:

  8. Slope stability analysis - Wikipedia

    en.wikipedia.org/wiki/Slope_stability_analysis

    The Swedish Slip Circle method assumes that the friction angle of the soil or rock is equal to zero, i.e., = ′. In other words, when friction angle is considered to be zero, the effective stress term goes to zero, thus equating the shear strength to the cohesion parameter of the given soil.

  9. Soil structure - Wikipedia

    en.wikipedia.org/wiki/Soil_structure

    Soil structure describes the arrangement of the solid parts of the soil and of the pore spaces located between them (Marshall & Holmes, 1979). [1] Aggregation is the result of the interaction of soil particles through rearrangement, flocculation and cementation.