Difference between revisions of "Example sizing information for riprap energy dissipators at culvert outlets"
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| − | + | <font size=3>'''Example sizing information for riprap energy dissipators at culvert outlets'''. Source: Kentucky Division of Water</font size><br> | |
| − | + | Link to this [[Example sizing information for riprap energy dissipators at culvert outlets|table]] | |
| − | Link to this [[Example sizing information for riprap energy dissipators at culvert outlets|table]] | ||
<table class="sortable"> | <table class="sortable"> | ||
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<th>Apron length<sup>3</sup></th> | <th>Apron length<sup>3</sup></th> | ||
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<tr> | <tr> | ||
<td>8"</td> | <td>8"</td> | ||
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<td>5–7 ft.</td> | <td>5–7 ft.</td> | ||
</tr> | </tr> | ||
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<tr> | <tr> | ||
<td>12"</td> | <td>12"</td> | ||
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<td>8–12 ft.</td> | <td>8–12 ft.</td> | ||
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<tr> | <tr> | ||
<td>18"</td> | <td>18"</td> | ||
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<td>12–18 ft.</td> | <td>12–18 ft.</td> | ||
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<tr> | <tr> | ||
<td>24"</td> | <td>24"</td> | ||
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<td>18–22 ft.</td> | <td>18–22 ft.</td> | ||
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<tr> | <tr> | ||
<td>30"</td> | <td>30"</td> | ||
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<td>22–28 ft.</td> | <td>22–28 ft.</td> | ||
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<tr> | <tr> | ||
<td>36"</td> | <td>36"</td> | ||
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<td>28–32 ft.</td> | <td>28–32 ft.</td> | ||
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<tr> | <tr> | ||
<td>42"</td> | <td>42"</td> | ||
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<td>32–38 ft.</td> | <td>32–38 ft.</td> | ||
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<td>48"</td> | <td>48"</td> | ||
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<td>38–44 ft.</td> | <td>38–44 ft.</td> | ||
</tr> | </tr> | ||
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</table> | </table> | ||
| − | + | <font size=1><sup>1</sup>Apron width at the narrow end (pipe or channel outlet)<br> | |
| − | + | <sup>2</sup>Apron length for slow-flow (no pressure head) culverts<br> | |
| − | + | <sup>3</sup>Apron length for high flow (pressure head) culverts</font size> | |
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| − | [[ | + | <noinclude> |
| + | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Sediment control]] | ||
| + | [[Category:Level 2 - Case studies and examples/Examples]] | ||
| + | </noinclude> | ||
Latest revision as of 13:19, 26 July 2022
Example sizing information for riprap energy dissipators at culvert outlets. Source: Kentucky Division of Water
Link to this table
| Culvert size | Avg. rock diameter | Apron width1 | Apron length2 | Apron length3 |
|---|---|---|---|---|
| 8" | 3" | 2–3 ft. | 3–5 ft. | 5–7 ft. |
| 12" | 5" | 3–4 ft | 4–6 ft. | 8–12 ft. |
| 18" | 8" | 4–6 ft. | 6–8 ft. | 12–18 ft. |
| 24" | 10" | 6–8 ft. | 8–12 ft. | 18–22 ft. |
| 30" | 12" | 8–10 ft. | 12–14 ft. | 22–28 ft. |
| 36" | 14" | 10–12 ft. | 14–16 ft. | 28–32 ft. |
| 42" | 16" | 12–14 ft. | 16–18 ft. | 32–38 ft. |
| 48" | 20" | 14–16 ft. | 18–25 ft. | 38–44 ft. |
1Apron width at the narrow end (pipe or channel outlet)
2Apron length for slow-flow (no pressure head) culverts
3Apron length for high flow (pressure head) culverts
This page was last edited on 26 July 2022, at 13:19.