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FLOW CHARACTERISTICS IN LOCAL SCOUR AT BRIDGE PIERS

FLOW CHARACTERISTICS IN LOCAL SCOUR AT BRIDGE PIERS,10.1080/00221687709499641,Journal of Hydraulic Research,Bruce W. Melville,Arved J. Raudkivi

FLOW CHARACTERISTICS IN LOCAL SCOUR AT BRIDGE PIERS   (Citations: 45)
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The paper summarises the major results of an investigation of How patterns, turbulence intensity distributions and boundary shear stress distribution in the scour zone of a circular pier under clear water scour conditions.
Journal: Journal of Hydraulic Research - J HYDRAUL RES , vol. 15, no. 4, pp. 373-380, 1977
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    • ...for piers Melville and Raudkivi 1977, Dargahi 1989, Dey et al...

    Alessio Radiceet al. Study of sediment motion in scour hole of a circular pier

    • ...The primary vortex characteristics in a scour hole formed in front of single cylindrical piers was studied by Melville and Raudkivi (1977), allowing for the experimental investigations of vortices in a scour hole...

    Gangarudraiah Veerappadevaruet al. Temporal variation of vortex scour process around caisson piers

    • ...Melville and Raudkivi (1977) were the first to measure the primary vortex characteristics in three stages of its growth, namely on flat bed (before scour), during the intermediate stage of scour hole development, and at the equilibrium stage...

    Gangarudraiah Veerappadevaruet al. Vortex scouring process around bridge pier with a caisson

    • ...Numerous flume studies [e.g., Melville and Raudkivi, 1977; Dargahi, 1990; Ahmed and Rajaratnam, 1998; Ettema et al., 2006] in which experiments were conducted at comparable Reynolds numbers (12,000–55,000) showed the relevance of such investigations to understand local scour phenomena and associated flow dynamics under clear water conditions...

    Mete Kokenet al. An investigation of the flow and scour mechanisms around isolated spur...

    • ...Melville and Raudkivi (1977) presented a first extension of the aerodynamics experiments; they analyzed water-flow over a mobile sediment bed for different fixed scour stages...
    • ...Melville and Raudkivi (1977) and Muzzammil and...
    • ...Melville and Raudkivi (1977), Sarker (1998) and Graf and Istiarto (2002) found with vxv, min/Vo = ‐0.4, ‐0.8 and ‐0.6, respectively, similar results as proposed here...
    • ... and c Sarker (1998) Fig. 15 Comparison of a the linear horseshoe vortex diameter dv/D of Muzzammil and Gangadharaiah (2003) with (solid line) dv/D = 0.75zy =0 /D and b horseshoe vortex shape av/bv with (solid line) Eq. 13; (dark shaded circle) test data of present study, (open circle, light shaded circle) Muzzammil and Gangadharaiah (2003) scour depths at the pier front in phase 4 and prior to phase 4, respectively, and (open triangle) ...

    Jens Ungeret al. Down-flow and horseshoe vortex characteristics of sediment embedded br...

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