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Sewer System Design Criteria Analysis by ScribdTranslations is a document available to read on EtoBox.
This document presents two criteria for calculating the minimum slope in sewer pipes: the minimum velocity criterion and the traction tension criterion. The traction tension criterion allows for higher flow rates, velocities, and slopes for the same pipe diameter. The Brazilian standard recommends a minimum traction tension of 0.98 Pa to ensure self-cleaning, while this document recommends at least 1 Pa, especially in initial sections with low flow rates.
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- ScribdTranslations
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- EN