Tunnels: Difference between revisions
From ASDSO Dam Safety Toolbox
(Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> A long underground excavation 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== {{Document I...") |
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[[Category:Water Conveyance]] | |||
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|caption=Typical tunnel diagram | |||
(Image Source: FERC) | |||
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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. | |||
<noautolinks>==Best Practices Resources==</noautolinks> | |||
{{Document Icon}} [[Engineering Guidelines for the Evaluation of Hydropower Projects: Chapter 12- Water Conveyance| Engineering Guidelines for the Evaluation of Hydropower Projects: Chapter 12- Water Conveyance, FERC]] | |||
{{Document Icon}} [[Design Standards No. 3: Water Conveyance Facilities, Fish Facilities, and Roads and Bridges (Ch. 4: Tunnels, Shafts, and Caverns)| Design Standards No. 3: Water Conveyance Facilities, Fish Facilities, and Roads and Bridges (Ch. 4: Tunnels, Shafts, and Caverns), USBR]] | |||
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Latest revision as of 22:31, 18 July 2023
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| Typical tunnel diagram
(Image Source: 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: 7319
Revision Date: 07/18/2023