Report R 141 Design of sewers to control sediment problems

Publication Year

1996

Document Status

Current

Abstract

The need for sewers to transport sediment has long been recognised, with the inclusion in hydraulic design criteria of empirical approaches to achieve the required sediment movement. Normally this is expressed as the requirement for a particular velocity under certain flow conditions. In recent years, however, a range of research and design studies have shown that a single minimum velocity, which is unrelated to the characteristics and concentration of the sediment or to other aspects of the hydraulic behaviour of the sewer, does not realistically represent the ability of sewer flows to transport sediment.

ISBN

9780860174431

Publisher Information