Author(s): J. N. Duder
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Abstract: Representative examples of hydraulic structures appropriate for small hydro are reviewed briefly. Construction materials and techniques are discussed, some as alternatives to concrete and steel, under the categories of: 一Headworks & Dans: rockfill and nstura1 features. masonry, roller compacted concrete, concrete and tinber buttress. fabridans. 一Canals & Storage Ponds: slope stabilities. seepage and dra inage. linings. 一Alternative Pipe Hlaterlals: HDPE, GRP, FRPH, Hood-stave, Pretensioned Concrete cy1 inder. 一Discharge Facilities - unifom energy dissipation, stilling basins, jets and plunge pools, erosion pro-- Discharge Facilities - unifom energy dissipation, stilling basins, jets and plunge pools, erosion pro-tection. 一Ceotextiles & Geonenbranes - filters and inings. 一Maintenance and Survei11ance. Specific review of intake structures and powerstations is covered by co11 eagues in separate papers. Comnent is also given on the basic hydrologic parameters of_ flow duration data, plant factor and conduit capacity; floods and risk; and sedimentation and its control. Some avenues of practical research are suggested.
Year: 1985