Skip to main content
Feb 26, 2016 / Haseeb Jamal -

5 Travel Myths You Need to Stop Believing Right Now

Feb 26, 2016 / Haseeb Jamal -

Canal Comes Alive with Lighted Boat Parade.

Factors Affecting Location and Necessity of Spillways

By: Haseeb Jamal / On: Sep 04, 2017 / Small Dams, Factors Affecting
Importance and Necessity of Spillways
 
 

Necessity of Spillways

  1. The height of the dam is always fixed according to the maximum reservoir capacity. The normal pool level indicates the maximum capacity of the reservoir. The water is never stored in the reservoir above this level. The dam may fail by over turning so, for the safety of the dam the spillways are essential.
  2. The top of the dam is generally utilized by making road. The surplus water is not be allowed to over top the dam, so to stop the over topping by the surplus water, the spillways become extremely essential.
  3. To protect the downstream base and floor of the dam from the effect of scouring and erosion, the spillways are provided so that the excess water flows smoothly.

Location of Spillway

Generally, the spillways are provided at the following places:

  • Spillways may be provided within the body of the dam.
  • Spillways may sometimes be provided at one side or both sides of the dam.
  • Sometimes by-pass spillway is provided which is completely separate from the dam.
 

Subscribe to our Newsletter

Stay informed - subscribe to our newsletter.
The subscriber's email address.

Search AboutCivil

Related Content