Filling and Emptying System Model Study for the Innovative Lock Design

by Richard L. Stockstill, (M.ASCE),

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Funding constraints have generated innovative ideas regarding the hydraulic system of proposed navigation locks. Two fundamental questions addressed in the innovative lock design study include the hydraulic performance of systems having the intakes and outlets at the miter sifi faces and filling and emptying culverts located along the lock chamber floor. A 1:25-scale model for the proposed new McAlpine Lock filling and emptying system is being conducted to evaluate these fundamental issues. The McAlpine project which is located on the Ohio River has a design lift of 37 ft. The new lock will provide a clear chamber size of 110 ft by 1200 ft. This paper discuses experimental results of the model investigation including filling and emptying times for various valve operations, pressures in the culverts, hawser forces on barges moored in the lock chamber, and movement of unmoored barges in the lock chamber.

Subject Headings: Hydraulic models | Hydraulic design | Innovation | Locks (waterway) | Water intakes | Scale models | Hydraulic networks | Culverts | Ohio River

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