Spillway, Definition, Importance, Types, Design, & Facts

Spillway, passage for surplus water over or around a dam when the reservoir itself is full. Spillways are particularly important safety features for several types of dams, protecting the dam and its foundation from erosion. Learn more about dam spillways with this article.

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Schematic diagram of spillway and overflow

Spillways components and types

Spillway Definition and Types - Civil Engineering Notes

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Spillway - Wikipedia

Common spillway design features. (Source: USBR 2014)

Investigated spillway chutes (a) Hinze Dam, Gold Coast, Australia

Spillways

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Spillway, Definition, Importance, Types, Design, & Facts

Spillway, Types of Spillway, Requirements