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AuthorElmasry M.
AuthorHawari A.
AuthorZayed T.
Available date2020-02-06T08:09:22Z
Publication Date2018
Publication NamePipelines 2018: Condition Assessment, Construction, and Rehabilitation - Proceedings of Sessions of the Pipelines 2018 Conference
Publication NamePipelines 2018 Conference: Condition Assessment, Construction, and Rehabilitation
ResourceScopus
ISBN9.78E+12
URIhttp://dx.doi.org/10.1061/9780784481653.001
URIhttp://hdl.handle.net/10576/12869
AbstractIn presence of financial constraints and dire need for inspecting deteriorated sewer pipelines, inspection prioritization tools are required. This paper presents a defect based risk assessment model for prioritizing inspection of sewer pipelines. Different defects that could be present in sewer pipelines are used to build a deterioration model that employs dynamic Bayesian belief network from which the probability of a pipeline to be in a certain condition state with respect to age can be determined. The consequence of failure for sewer pipelines are studied from a cost benefit analysis point of view, where the costs resulting from sewer pipelines failure are studied, and the benefits from avoiding such failures are analyzed. Sugeno-fuzzy inference system is used to integrate both the probability and consequence of failure. It is expected that the resulting risk map would help key personnel in municipalities to identify sewer pipelines that require immediate interventions and would assist in better planning for inspection programs especially in cases of limited funds. - 2018 American Society of Civil Engineers.
SponsorUtility Engineering and Surveying Institute (UESI) of the American Society of Civil Engineers (ASCE)
Languageen
PublisherAmerican Society of Civil Engineers (ASCE)
TitleDefect based risk assessment model for prioritizing inspection of sewer pipelines
TypeConference Paper
Pagination9-Jan


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