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Çѱ¹¼öÀÚ¿øÇÐȸ / v.6, no., 1995³â, pp.23-37

( Pier Scour Prediction in Pressure Flow )
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In this experimental paper, the maximum scour depth at pier was student. The model of the pier of San Gye bridge in the Bocheong stream was set for the experimental studies. Several model verification processes were conducted through the roughness comparisons between model and prototype, pursuing scour depth variations with time depending upon channel bed variation, the comparison of the ratios between falling velocities and shear velocities in the model and prototype, and the comparison of pier scour depths between experimental data and field measuring data. The experiments were conducted in the free flow conditions and pressure flow conditions. The maximum scour depth at piers in the pressure flow conditions is almost twice as much as compared to the free flow conditions. Also, the maximum scour depth variations are indicated in the figures based on the Froude numbers, opening ratios, water depths and approaching angles in the free surface flow conditions.
 
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Korean Journal of Hydrosciences / v.6, no., 1995³â, pp.23-37
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ISSN :
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920101730)
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