Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Street Stormwater Storage Capacity
The primary function of a street is to maintain the movement of traffic. Under the assumption that street drainage will be designed to collect stormwater as fast as possible, the street stormwater capacity has been defined as its hydraulic conveyance, estimated by Manning's formula. This practice has resulted in a prevailing experience that street intersections are often flooded. This study presents an investigation on street hydraulic capacity. It is found that the street stormwater capacity at a sump is in fact dictated by the storage capacity rather than the conveyance capacity. A new design methodology is developed in this study to consider the street depression storage as a criterion when sizing a sump inlet. Design parameters required by this method include the local intensity–duration–frequency information, catchment area, runoff coefficient, street transverse slope, and the configuration of the sump area as a fraction of a circle.
Street Stormwater Storage Capacity
The primary function of a street is to maintain the movement of traffic. Under the assumption that street drainage will be designed to collect stormwater as fast as possible, the street stormwater capacity has been defined as its hydraulic conveyance, estimated by Manning's formula. This practice has resulted in a prevailing experience that street intersections are often flooded. This study presents an investigation on street hydraulic capacity. It is found that the street stormwater capacity at a sump is in fact dictated by the storage capacity rather than the conveyance capacity. A new design methodology is developed in this study to consider the street depression storage as a criterion when sizing a sump inlet. Design parameters required by this method include the local intensity–duration–frequency information, catchment area, runoff coefficient, street transverse slope, and the configuration of the sump area as a fraction of a circle.
Street Stormwater Storage Capacity
Guo, James C.Y. (Autor:in)
Water Environment Research ; 72 ; 626-630
01.09.2000
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
STORAGE , SUMP , STORMWATER , RUNOFF , WATER SPREAD , STREET , DEPRESSION
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