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Comparison of Structural Deterioration Models for Stormwater Drainage Pipes

Tran, D. H and Perera, B. J. C and Ng, A. W. M (2009) Comparison of Structural Deterioration Models for Stormwater Drainage Pipes. Computer-Aided Civil and Infrastructure Engineering , 24 (2). pp. 145-156. ISSN 1093-9687

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Abstract

Structural deterioration of pipes is the continuing reduction of load bearing capacity, which can be characterized through structural defects. Structural deterioration has been a major concern for asset managers in maintaining the required performance of stormwater drainage systems in Australia. Condition assessment using closed circuit television (CCTV) inspection is often carried out to assess the deteriorating condition of individual pipes. In this study, two models were developed using ordered probit and neural networks (NNs) techniques for predicting the structural condition of individual pipes. The predictive performances were compared using CCTV data collected for a local government authority in Melbourne, Australia. The significant input factors to the outputs of both models were also identified. The results showed that the NN model was more suitable for modeling structural deterioration than the ordered probit model. The hydraulic condition, pipe size, and pipe location were found to be significant factors for this case study.

Item Type: Article
Uncontrolled Keywords: ResPubID17426, structural deterioration of pipes, structural defects, performance of stormwater drainage systems – Australia, condition assessments, probit and neural networks (NNs) techniques, predicting structural condition
Subjects: Faculty/School/Research Centre/Department > School of Engineering and Science
FOR Classification > 0905 Civil Engineering
SEO Classification > 9004 Water and Waste Services
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Depositing User: VUIR
Date Deposited: 04 Oct 2011 04:38
Last Modified: 01 Mar 2015 22:43
URI: http://vuir.vu.edu.au/id/eprint/4643
DOI: 10.1111/j.1467-8667.2008.00577.x
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Citations in Scopus: 9 - View on Scopus

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