Culvert (Water Overlay): Difference between revisions

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Culverts are effectively tunnels or pipes directly connecting two bodies of water, and allow water to flow in either direction. Culverts can also be used to model tunnels on land, creating a hole which water can flow through when it is flowing over land. The throughput of a culvert is limited by its dimensions.
Culverts are effectively tunnels or pipes directly connecting two bodies of water, and allow water to flow in either direction. Culverts can also be used to model tunnels on land, creating a hole which water can flow through when it is flowing over land. The throughput of a culvert is limited by its dimensions.


Culverts are assumed to have a spherical cross-section.
Culverts are assumed to have a circular cross-section, and level (i.e. not inclined).


[[File:waterwizard_icon_culvert.png]] A culvert is a {{inlink|lcase=1|Line-based constructions}}.
[[File:waterwizard_icon_culvert.png|75px]] A culvert is a [[Line-based_building_(Water_Overlay)|line-based building]].
{| class="wikitable"
 
! Icon
{{Overlay keys|suppresscategory=true|
! Attribute
{{:culvert diameter (Water Overlay)}}
! Unit
{{:culvert rectangular height (Water Overlay)}}
! Description
{{:culvert threshold (Water Overlay)}}
! Default
{{:culvert n (Water Overlay)}}
|-
}}
|[[File:waterwizard_icon_culvert_width.png]]
 
|[[Culvert_diameter_(Water_Overlay)|CULVERT_DIAMETER]]
{{article end
|m
|notes=
|The diameter of the culvert. For throughput calculations, the culvert is assumed to have a spherical cross-section.
* If a culvert is placed in a waterway, and the waterway is not otherwise interrupted, water will be able to flow past the culvert via the waterway itself. It is recommended to make sure that the waterway is obstructed by an increase in the [[terrain height (Water Overlay)|terrain height]] in such a way that the only way water can flow from the one end of the culvert to the other is via the culvert.
|1
|howtos=
|-
* [[How to correct multiple buildings on the same location]]
|[[File:waterwizard_icon_culvert_height.png]]
* [[How to correct weir, pump, or culvert drawn as point]]
|[[Culvert_threshold_(Water_Overlay)|CULVERT_THRESHOLD]]
* [[How to correct a building in an uninterrupted waterway]]
|{{mdatum}}
* [[How to correct a building at the edge of the project area]]
|The height of the culvert. (When set to a level lower than the terrain for either endpoint of it, the culvert's height is equal to the height of the (highest) {{inlink|Terrain height|terrain}} under either endpoint.)
* [[How to correct a culvert connecting two water level areas]]
|0
|seealso=
|-
*[[Culvert formula (Water Overlay)]]
|[[File:waterwizard_icon_manning.png]]
}}
|[[Culvert_n_(Water_Overlay)|CULVERT_N]]
<noinclude>
|manning value
{{WaterOverlay hydraulic structure nav}}
|The manning value of the culvert's material, which influences the flow speed.
</noinclude>
|0,014
|}

Latest revision as of 16:54, 2 February 2024

Culverts are effectively tunnels or pipes directly connecting two bodies of water, and allow water to flow in either direction. Culverts can also be used to model tunnels on land, creating a hole which water can flow through when it is flowing over land. The throughput of a culvert is limited by its dimensions.

Culverts are assumed to have a circular cross-section, and level (i.e. not inclined).

Waterwizard icon culvert.png A culvert is a line-based building.

Icon Key Unit Range Description Default value
Waterwizard icon culvert width.png CULVERT_DIAMETER m 0 to 10000 The inside diameter of the circular-shaped Culvert, or the inside width of a rectangular-shaped Culvert. 1
Waterwizard icon culvert rectangular height.png CULVERT_RECTANGULAR_HEIGHT m 0 to 10000 The inside height of a rectangular shaped Culvert. 0
Waterwizard icon culvert height.png CULVERT_THRESHOLD m + datum -10000 to 10000 The height of the inner side of the culvert's underside (or the threshold height at which water starts flowing through the culvert). When set to a level below the terrain height at either end-point, the culvert's threshold will automatically attain a value equal to that of the highest terrain found at either of its endpoints. 0
Waterwizard icon culvert n.png CULVERT_N manning value The manning friction value of the culvert's material, which influences the flow speed. 0,014

Notes

  • If a culvert is placed in a waterway, and the waterway is not otherwise interrupted, water will be able to flow past the culvert via the waterway itself. It is recommended to make sure that the waterway is obstructed by an increase in the terrain height in such a way that the only way water can flow from the one end of the culvert to the other is via the culvert.

How-to's

See also

Water Module
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Introduction button.png
Water Module
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Getting started button.png
Tutorials
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Overview button.png
Overview
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Theory button.png
Theory
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Benchmarks button.png
Benchmarks
Group
Inlet
Inlet q • Inlet area • Inlet capacity •  Lower threshold •  Upper threshold • Inlet underground
Pump
Pump q •  Lower threshold •  Upper threshold • Pump angle • Pump capacity • Pump area
Culvert
Culvert diameter • Culvert rectangular height • Culvert threshold • Culvert n
Weir
Weir height • Weir width • Weir angle • Weir coefficient • Weir target level
Sewer overflow
Sewer overflow • Sewer overflow speed
Drainage
Drainage q • Drainage datum • Drainage active • Drainage overflow threshold
Output
Object flow output • Object height output • Object datum output a • Object datum output b • Object width output
Related
Building attributes • Hydrological features •  Terrain attributes • Model attributes • Results • Simulation data


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