Results 271 to 280 of about 50,628 (314)
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Soil Plug Behavior of Piles in Sand
Offshore Technology Conference, 1990Abstract It has been proposed by Randolph (2) that granular soil plugs in open ended pipe piles can develop much greater resistances than allowed in present design (3). A simple mathematical model extending Randolph's concept to include load deformation behavior was developed and checked against more sophisticated ...
J.D. Murff, R.D. Raines, M.F. Randolph
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Soil Aggregate Abrasion by Impacting Sand and Soil Particles
Transactions of the ASAE, 1984ABSTRACT DURING wind erosion, erodible particles (< 0.85 mm diameter) are removed continually in saltation and suspension, but the supply of particles is rarely exhausted because new erodible-size particles are created constantly by abrasion. Little is known about the physics of soil abrasion, however. This study was undertaken to determine the effects
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A Lithochronosequence of Soils Formed in Dune Sand
Soil Science Society of America Journal, 1981Abstract In western Indiana, soils on sand dunes range in development from those with only a weak color B horizon to those with a strongly developed argillic horizon. For this study, five soil sites exhibiting various degrees of soil development were described and analyzed. The most strongly developed soils were on older land surfaces,
R. J. Miles, D. P. Franzmeier
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Expansive Soil Improvement with Weathered Sand
ICTE 2013, 2013An innovative modification method by adding weathered sand into expansive soil was proposed based on the characteristics that the expansive soil would swell and shrink with super-hydrophilic property and low-permeability under the condition of increasing and decreasing water content, respectively.
Jun Yang +3 more
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SOIL AGGREGATION BY CRYPTOGAMS OF A SAND PRAIRIE
American Journal of Botany, 1985Cryptogam‐covered, sandy soils of the Big Sand Mound prairie in southeastern Iowa are significantly more aggregated than bare soils. Soil particles covered by moss are intertwined by rhizoids, whereas cyanobacteria and lichen fungal hyphae adhere to the particles and glue them together.
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Sand Grain Micromorphology and Soil Age
Soil Science Society of America Journal, 1981Abstract The micromorphology of quartz grains (0.5 to 1.0 mm) from three soils developed in granitic alluvium were studied using scanning electron microscopy. The soils are located on riverine terraces in southern California. The soils have been dated as 22,000, 44,000, and 63,000 years before present (YBP).
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Efficiency of sanding and claying of peat soils
Zemleustrojstvo, kadastr i monitoring zemel' (Land management, cadastre and land monitoring)The study has established the influence of various doses and types of mineral components (sand and clay in the raw, and in combination with mineral fertilizers) on the waterphysical properties of peat soils and positive changes in such characteristics as: volume weight, specific gravity, total porosity, total moisture capacity, soil hardness.
A. A. Pashkovskaya +3 more
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