Model Study of Spillway, Enid Dam, Yocona River, Mississippi
Abstract
The model study of the spillway for Enid Dam, proposed for construction on the Yocona River in Mississippi, was concerned with hydraulic performance of the spillway, particularly as affected by the use of sloping sidewalls for the spillway chute and stilling basin. This study was of an unusual nature in that it was concerned chiefly with hydraulic-jump action within a stilling basin of trapezoidal cross section, a subject on which very little information is available. It was determined from the model study that certain alterations of the original spillway design were necessary to improve hydraulic performance. In the original design, the projection formed just below the spillway crest by intersection of the side walls of the chute and the approach channel caused standing waves on the chute. Alleviation of this condition was accomplished by extending the chute walls farther upstream to intersect the approach channel walls either at, or upstream from, the spillway crest.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1947
- Accession Number
- ADA637821