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Improving the geometry of manholes designed for separate sewer systems

Abbas, A, Ruddock, F, Alkhaddar, R, Rothwell, G and Andoh, R (2018) Improving the geometry of manholes designed for separate sewer systems. Canadian Journal of Civil Engineering, 46 (1). pp. 13-25. ISSN 0315-1468

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The design of manholes dates back more than 100 years. However, there have been developments such as the use of new materials for the manufacture of manholes, and advances in inspection and maintenance technologies, allowing improvements to the shape of manholes. This paper presents an innovative design for manholes, created to overcome the challenges associated with the installation of separate sewer systems in narrow streets, common to both UK and EU cities. The traditional separate sewer system has two separate manholes. The proposed manhole combines these two manholes into one structure, with two separate chambers, to allow storm flow and foul flow to pass through the same manhole without mixing. The structural performance of the new design has been tested using mathematical modelling validated by experimental tests. The results are compared with the structural performance of traditional manholes. The new design shows an improved resistance to high live loads.

Item Type: Article
Uncontrolled Keywords: 0905 Civil Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
Divisions: Civil Engineering (merged with Built Env 10 Aug 20)
Maritime & Mechanical Engineering (merged with Engineering 10 Aug 20)
Publisher: NRC Research Press (Canadian Science Publishing)
Related URLs:
Date Deposited: 27 Feb 2019 09:43
Last Modified: 04 Sep 2021 02:01
DOI or ID number: 10.1139/cjce-2018-0057
URI: https://researchonline.ljmu.ac.uk/id/eprint/10057
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