2020
DOI: 10.1002/esp.4825
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Laboratory and theoretical evaluation of impact of packing density, particle shape, and uniformity coefficient on erodibility of coarse‐grained soil particles

Abstract: Sedimentation – including erosion, transport, and deposition of coarse‐grained particles – is a primary and growing environmental, engineering, and agricultural issue around the world. Soil erosion occurs when the hydrodynamic force induced by flowing water exceeds the geotechnical resistance of soils, as measured by critical shear stress for initiation of soil‐particle motion. Even though various quantitative methods have been suggested with respect to different types of soil, the most widely accepted formula… Show more

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Cited by 13 publications
(4 citation statements)
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“…The causal factor may be associated with particle composition and infiltration. Coarser soil is more permeable, and increased permeability elevates shear stress on soils, partially mitigating erosion (Choo et al, 2020). In addition to PSD, soil bulk density is also closely correlated with erosion (Lick & McNeil, 2001; Mostafa et al, 2010).…”
Section: Discussionmentioning
confidence: 99%
“…The causal factor may be associated with particle composition and infiltration. Coarser soil is more permeable, and increased permeability elevates shear stress on soils, partially mitigating erosion (Choo et al, 2020). In addition to PSD, soil bulk density is also closely correlated with erosion (Lick & McNeil, 2001; Mostafa et al, 2010).…”
Section: Discussionmentioning
confidence: 99%
“…Recently, historical flood patterns have altered by the recent climate change scenario. An example is the 2009 flooding in the metro Atlanta area, where the intense heavy rainfalls have resulted in reportedly 18 gauges exceeding a 500-year flood discharge [27,28]. Another outcome of the increased discharge is bridge submergence, which causes frequent pressure flow conditions (submerged orifice flow and overtopping flow) resulting in a significant contribution of contraction scour by vertical flow contraction.…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, many other scholars have also studied the effect of particle arrangement and distribution on soil shear strength. [30][31][32][33] The related studies indicate that the particle gradation significantly affects the shear behavior of soil.…”
Section: Introductionmentioning
confidence: 99%