Accession Number : ADA192262

Title :   Hydrodynamic Forces on Tainter Gates and Stilling Basin, Old River Control Auxiliary Structure. Hydraulic Model Investigation.

Descriptive Note : Final rept.,

Corporate Author : ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS HYDRAULICS LAB

Personal Author(s) : Fletcher, B P ; Grace, J L , Jr

PDF Url : ADA192262

Report Date : Feb 1988

Pagination or Media Count : 48

Abstract : Tests were conducted using a 1:50-scale section model to determine the magnitude and frequency of the hydrodynamic loads acting on the tainter gate trunnions and hoist cables, and the stilling basin apron monoliths, baffles, and end sill. Force measurements at the gate trunnions indicated that the trunnions were subjected to static loadings in an upward and downstream direction. Gate hoist cable loads were occasionally periodic and always in a downstream direction. The location, frequency, and magnitude of the resultant forces acting on the stilling basin apron were determined. Also tests were conducted to determine the forces acting on the baffles and end sill. The measured drag forces on the baffle blocks were significantly higher than drag forces computed from drag coefficients. This indicated the need for research or site-specific studies to develop design guidance for determining the individual and collective forces acting on stilling basins. Keywords: Debris, Drag forces, Electronic pressure cells, Hoist cables, Hydrodynamic loads, Stilling basin apron, Tainter gate.

Descriptors :   *SPILLWAYS, AXLE SHAFTS, BAFFLES, CABLES, COEFFICIENTS, DRAG, ELECTRONIC EQUIPMENT, FORCE(MECHANICS), HOISTS, HYDRAULIC MODELS, HYDRODYNAMICS, LOAD CELLS, LOADS(FORCES), MEASUREMENT, PRESSURE, LOUISIANA, MISSISSIPPI RIVER, FLOOD CONTROL, WATERFRONT STRUCTURES, DEBRIS

Subject Categories : Civil Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE