Entrapment of drift wood at ogee-crested spillways with piers : Influence of woody debris characteristics on blocking probabilities

Paloma Furlan, Michael Pfister, Jorge Matos & Anton J. Schleiss
Spillways are safety elements of dams that allow to release floods. They spill water to avoid overtopping with its potential structural damages at the dam and the downstream environment. Nevertheless it may be unsafe to assume that a flood only carries clear water. Large woody debris (LWD) are often transported by rivers into reservoirs during heavy rainfall events. There is still a lack of knowledge regarding the behaviour of LWD at spillway inlets. The accumulation...
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