Filling and Emptying System, New Poe Lock, St. Marys River, Sault Ste. Marie, Michigan.
Technical rept. 13 Feb-8 Apr 59,
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS
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The lock hydraulic system was tested in a 125-scale model to determine a adequacy of intake and discharge manifold designs b maximum permissible lock filling and emptying rates with turbulence and hawser stresses within safe limit and c best location, number, and spacing of bottom laterals. The original design intake manifolds and upstream pier nose shape were revised to reduce vortex tendencies at the intake and improve flow distribution. Tests revealed that the bottom split-lateral system i.e. two groups of six laterals each of filling and emptying the lock was satisfactory. Author
- Civil Engineering