Time-dependent Scour Depth under Bridge-submerged Flow
نویسندگان
چکیده
.................................................................................................................. ii ACKNOWLEDGEMENTS ............................................................................................iv LIST OF TABLES ...................................................................................................... viii LIST OF FIGURES ........................................................................................................ix Chapter
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Constriction Scour In Pressurized Flow Condition (RESEARCH NOTE)
When depth of flow past a river bridge exceeds opening under the bridge, the flow under the bridge becomes pressurized. The water is directed downward and under the bridge deck, causing increase in velocity and shear stress on the bed thereby increasing bed scour. This is termed as Pressure Flow Scour. The present study investigates the phenomenon of pressure flow scour resulting from a submerg...
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