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Erosion of Soft Cohesive Sediment Deposits

Erosion of Soft Cohesive Sediment Deposits,10.1061/(ASCE)0733-9429(1985)111:10(1308),Journal of Hydraulic Engineering-asce,Trimbak M. Parchure,Ashish

Erosion of Soft Cohesive Sediment Deposits   (Citations: 150)
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    • ...[3] Various devices have been developed to determine the erosion rate by flow: carousels [Parchure and Mehta, 1985; Kuijper et al., 1989; Amos et al., 1992b], straight flumes [Partheniades, 1965; Aberle et al., 2003; Le Hir et al., 2005; Roberts et al., 1998; Orvain et al., 2003], portable annular flumes [Willows et al., 1998; Widdows et al., 1998], and vertical jet devices [Tolhurst et al., 1999]...
    • ...Partheniades [1982] and adopted by Parchure and Mehta [1985], Amos et al. [1992a], and Sanford and Maa [2001]...
    • ...In the case of a bed created from deposition [e.g., Parchure and Mehta, 1985] with rb = 1100–1300 kg m � 3 , the bulk density increases with depth...
    • ...Notethatthisincreaseofthecriticalbedshearstressissimilar to the findings of, e.g., Parchure and Mehta [1985] or Amos etal.[1992a].However,theyattributedtheincreaseincritical shear stress to an increase of the strength over the depth...
    • ...In that case, the hypothesis of exclusive erosion Parchure and Mehta [1985] will certainly not hold anymore...

    B. C. Van Prooijenet al. A stochastic formulation for erosion of cohesive sediments

    • ...A number of laboratory studies (Krone 1962; Partheniades 1965; Parchure and Mehta 1985; Otsubo and Muraoka 1988; Torfs 1995; Lick and McNeil 2001; Lee et al. 2004) have improved our knowledge of the resuspension behavior of fine-grained materials...

    Wen-Cheng Liuet al. Modeling diagnosis of suspended sediment transport in tidal estuarine ...

    • ...The deposition test conducted at the VIMS laboratory carousel used a time series of selected constant ba with different durations to find cd. This approach is similar to that used to identify ce Fukuda 1978; Parchure and Mehta 1985; Sanford and Maa 2001, and thus, should have a similar results for identifying cd. Sediment from Mai-Po, Hong Kong, with a deflocculated d50 around 2 m, was used...
    • ...This phenomenon can be explained by the small b near the inner wall even with a high ba see the next section and the turbulent flow in this flume Parchure and Mehta 1985...

    Jerome Peng-Yea Maaet al. Critical Bed-Shear Stress for Cohesive Sediment Deposition under Stead...

    • ...More specifically, the transport equation proposed by Parchure and Metha (1985) couplet to the bed sediment structure hypothesized by Skipworth et al...

    G. Freniet al. Uncertainty assessment of sewer sediment erosion modelling

    • ...Here, the erosion threshold appears larger than the predictable values, which do not take into account interparticle bonds [Mehta, 1982, 1991; Migniot, 1968; Parchure and Mehta, 1985], resulting from the presence of clays (d <21 0 � 6 m, as mentioned by Graf...
    • ...Other works have mentioned the impact of chemical factors [Parchure and Mehta, 1985; Ravisangar et al., 2001] or unsaturation on erosion...

    F. Ternatet al. Erosion threshold of saturated natural cohesive sediments: Modeling an...

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