oa Civil Engineering = Siviele Ingenieurswese - Design chart for sewers in metric units

Volume 14, Issue 6
  • ISSN : 1021-2000



A design chart is presented based on Manning's formula for flow in circular sewers flowing partially full or full bore. For any given flow, slope and selected Manning's friction factor the chart allows selection of an appropriate pipe, diameter and gives directly the velocity and relative depth of flow in the selected pipe.

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