Experimental studies of sewer exfiltration

Ellis, John Bryan and Revitt, D. Mike and Lister, P. and Willgress, C. and Buckley, A. (2003) Experimental studies of sewer exfiltration. Water Science and Technology, 47 (4). pp. 61-67. ISSN 0273-1223

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Abstract

The effects of joint openings and in-pipe sediment on exfiltration losses in an experimental sewer are reported and the influence of flow and head on loss rates are also evaluated. Exfiltration rates tend to be exponential with changes in head for clean-water tests but exhibit power functions when the pipe is subject to sedimentation. In-pipe sediment leads to an effective sealing of joints especially if the invert deposits are both organic in nature and contain saturated adhesive material such as shredded toilet tissue. Simple tracer techniques are described to quantify exfiltration losses and the potential effects of tracer adsorption by in-pipe solids are evaluated.

Item Type:Article
Research Areas:School of Science and Technology > Natural Sciences
Citations on ISI Web of Science:15
ID Code:3839
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Deposited On:25 Jan 2010 11:11
Last Modified:13 May 2014 15:51

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