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Title: Debris control at hydraulic structures in selected areas of the United States and Europe
Authors: Wallerstein, N.
Thorne, C. R. (Colin R.)
Abt, Steven R.
Keywords: Reversible flow trashracks--Management
Hydraulic structures
Publisher: Coastal and Hydraulics Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Contract report;CHL-97-4
Abstract: Abstract: Floating debris obstruction is a problem at many run-of-river structures including navigation locks, hydro-electric and thermal-electric power plants and dam spillways. Previous research suggests a sound understanding of debris sources would aid with developing more cost effective debris control methods. This report reviews current debris management technologies employed at various run-of-river structures in Europe and the United States of America. The information reported has been contained through field visits and from discussions with engineers and plant operators. Relevant published research work on debris control mechanisms, including trash rack design problems, raking equipment, and spillway design is also reviewed. European research centers visited were Delft Hydraulics in the Netherlands, the Hydraulics Laboratory at the Technical University of Munich, Germany, and the Institute of Hydraulics, Hydrology and Glaciology at the Technical University of Zurich, Switzerland. The U.S. field visits were carried out in the Huntington, Vicksburg, St. Louis, Portland, and San Francisco Corps of Engineer Districts. The control technologies are summarized, and state-of-the-art design procedures and best practice management recommendations for debris control are outlined for each class of structure that may experience debris-related problems.
Description: Contract Report
Rights: Approved for public release; distribution is unlimited.
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