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undisturbed soil

См. также в других словарях:

  • Soil kite — A kite has two parts wing and tether. The tether is tensed; the wing converts the tension to lift and drag by interacting with a stream of material; the kite flies or deflects away from the relative direction of the ambient stream s material.… …   Wikipedia

  • Soil mechanics — is a discipline that applies principles of engineering mechanics, e.g. kinematics, dynamics, fluid mechanics, and mechanics of material, to predict the mechanical behavior of soils. Together with Rock mechanics, it is the basis for solving many… …   Wikipedia

  • Soil liquefaction — describes the behavior of loose saturated unconsolidated soils, i.e. loose sands, which go from a solid state to have the consistency of a heavy liquid, or reach a liquefied state as a consequence of increasing porewater pressures, and thus… …   Wikipedia

  • Shear strength (soil) — Shear strength in reference to soil is a term used to describe the maximum strength of soil at which point significant plastic deformation or yielding occurs due to an applied shear stress. There is no definitive shear strength of a soil as it… …   Wikipedia

  • Hydric soil — A hydric soil is a soil that formed under conditions of saturation, flooding, or ponding long enough during the growing season to develop anaerobic conditions in the upper part. [This definition (Federal Register, July 13, 1994) replaced the… …   Wikipedia

  • Acid sulfate soil — Acid sulfate soils are naturally occurring soils, sediments or organic substrates (e.g. peat) that are formed under waterlogged conditions. These soils contain iron sulfide minerals (predominantly as the mineral pyrite) or their oxidation… …   Wikipedia

  • Critical state soil mechanics — Normally consolidated soil goes to critical state along the stress path on Roscoe surface Critical State Soil Mechanics is the area of Soil Mechanics that encompasses the conceptual models that represent the mechanical behavior of saturated… …   Wikipedia

  • Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …   Wikipedia

  • Dociostaurus maroccanus — Scientific classification Kingdom: Animalia Phylum …   Wikipedia

  • Optimum water content for tillage — The optimum water content for tillage (OPT) is defined as the moisture content of soil at which tillage produces the largest number of small aggregates. Contents 1 Overview 2 Relationships between water content at field capacity (FC) and Plastic… …   Wikipedia

  • Direct shear test — A direct shear test also known as shearbox 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 discontinuties in soil or rock masses.[3] …   Wikipedia

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