Tunnels: Difference between revisions
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Revision as of 21:16, 18 July 2023
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| Typical tunnel diagram
(Image Credit: FERC) |
Tunnels are long underground excavations with two or more openings to the surface, usually having a uniform cross section used for access, conveying flows, etc. Tunnels are most often used in mountainous areas. Tunnels can be divided into two basic types, lined and unlined.
Best Practices Resources
Engineering Guidelines for the Evaluation of Hydropower Projects: Chapter 12- Water Conveyance, FERC
Citations:
Revision ID: 7317
Revision Date: 07/18/2023