EXPERIMENTAL STUDY ON ABRASION OF SAND PARTICLES AND VERTICAL DISTRIBUTION OF GRAIN SIZE DUE TO DRIFT SAND
نویسندگان
چکیده
منابع مشابه
On the size distribution of sand
A model is presented of the development of the size distribution of sand while it is transported from a source to a deposit. The model provides a possible explanation of the log-hyperbolic shape that is frequently found in unimodal grain size distributions in natural sand deposits, as pointed out by Bagnold. It implies that the size distribution of a sand deposit is a logarithmic normal-inverse...
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In order to investigate the effects of the grain size distribution and the micro-structure of soils on the mechanical characteristics, some static triaxial compression tests were carried out, and then the relationship of stress-strain and the strength behavior of silty sand were compared among undisturbed samples with different grain size distribution, undisturbed and remolded samples with the ...
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Large areas of Iran are under the influence of wind erosion thus it is important that we recognize three zones ofremoval, transportation and deposition. The deposition zone is very important due to more damages and tangibleeffects. In this study we try to obtain a comprehensive idea to Persian desert with use of laboratory facilities, remotesensing, GIS and field surveying. We survey 28 ergs in...
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Median grain sizes on riverbeds range from boulders in uplands to silt in lowlands; however, rivers with ~1–5mm diameter bed sediment are rare. This grain size gap also marks an abrupt transition between graveland sand-bedded reaches that is unlike any other part of the fluvial network. Abrupt gravel-sand transitions have been attributed to rapid breakdown or rapid transport of fine gravel, or ...
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Experiments were made to determine the effects of sediment size, sediment concentration, and flow velocity on the depositional style of sand-sized particles in a highvelocity surgd. A dimdnsional analysis of the experimental system was performed in an effort to relate the experimental results to deposits from turbidity currents and overwash surges. A large part of each deposit was a result of d...
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ژورنال
عنوان ژورنال: PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN
سال: 2001
ISSN: 0912-7348,1884-8265
DOI: 10.2208/prooe.17.89