What is the role of spillways in dam design, and how do they affect the safety of irrigation dams?
Spillways are crucial safety features in dam design that enable excess water to be evacuated safely when reservoir levels climb above allowable limitations. They cease overflowing, which may lead to the dam failing. There are various types of spillways, such as chute, labyrinth, and ogee, each appropriate for a certain set of conditions.
Ogee spillways' curved design allows water to flow over the dam smoothly, effectively handling high volumes. Proper spillway design ensures that the dam can survive extreme weather conditions while maintaining structural integrity. For irrigation dams to remain safe and reliable over the long term, spillway management must be done effectively to prevent overflow and damage.
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