Translations:Versickerung und Retention/127/en: Unterschied zwischen den Versionen
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(Die Seite wurde neu angelegt: „{| class="wikitable" |- ! Surface !! x !! Runoff coefficient !! x !! Rain yield !!= !! Q<sub>r15(2)</sub> |- | 231 m<sup>2</sup> || x || 1 || x || 0.0193 L/s x…“) |
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− | | colspan="2"| Approved discharge quantity: || Q<sub>ab</sub> ||=|| colspan="3"|0.105 ha (property size) x 1.5 L/ | + | | colspan="2"| Approved discharge quantity: || Q<sub>ab</sub> ||=|| colspan="3"|0.105 ha (property size) x 1.5 L/sha |
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| colspan="3"| || = || colspan="3"|0.158 L/s | | colspan="3"| || = || colspan="3"|0.158 L/s |
Aktuelle Version vom 19. November 2018, 15:57 Uhr
Surface | x | Runoff coefficient | x | Rain yield | = | Qr15(2) |
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231 m2 | x | 1 | x | 0.0193 L/s x m2 | = | 4.46 L/s |
114 m2 | x | 0.8 | x | 0.0193 L/s x m2 | = | 1.76 L/s |
Total rainwater runoff | Qrges | = | 6.22 L/s | |||
Approved discharge quantity: | Qab | = | 0.105 ha (property size) x 1.5 L/sha | |||
= | 0.158 L/s | |||||
Rainwater quantity for retention: | Qs | = | Qr15(0.2)ges - Qab | |||
= | 6.22 L/s – 0.158 L/s = 6.06 L/s | |||||
Required backwater volume Verf: (The retention system must absorb Qs for 15 min.). | ||||||
Verf | = Qs x 60 x 15 = Qs x 900 | |||||
= 6.06 L/s x 900 s = 5.5 m3 |