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Hydrodynamic Uplift Forces on Submerged Bridge Decks during Bedform Migration
Publisher: ASCE
Abstract: Hydrodynamic forces, especially uplift forces, during a flood event are critical to the stability of bridge superstructures. This study focuses on the interaction between the migrating dunes, the scour depth beneath the ...
Novel Riprap Structure for Improved Bridge Pier Scour Protection
Publisher: ASCE
Abstract: This study introduced a new riprap placement design for the purpose of reducing bridge pier scour. The design consisted of embedding a layer of the riprap around the pier, flush with the surrounding bed, with a depression ...
Temporal Evolution of Clear-Water Scour Depth at Submerged Weirs
Publisher: ASCE
Abstract: Equilibrium clear-water scour depths predicted by existing equations based on the peak flow rate of a flood hydrograph can be overly conservative for submerged weirs in mild-slope sandy rivers, because the equilibrium ...