Optimal budget allocation model for rehabilitation of sewer system considering social and environmental changes

Yeonsoo Kim, Woosik Jang, Seung Heon Han

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Municipalities face to challenges related to urban infrastructure, mainly related to aging infrastructure. The metropolitan area of Seoul, Korea, reported that more than half of the entire sewer systems are over 30 years old. The deteriorated sewer systems caused serious safety disaster such as sink hole and other social problems. Furthermore, these phenomena continue to accelerate because the sewer systems are seriously affected by variability of rainfall which results from the climate change and human migration from the social change. Therefore, it is necessary to do proactive rehabilitation instead of overdue maintenance considering the social and environmental change. This research presents the conceptual framework for deciding the priority for investment in the borough of Seoul which is based on the extensive evaluation for identifying the sewer pipelines which need rehabilitation work. To address the comprehensive evaluation of priority for investment, Genetic Algorithm (GA), is adopted to find optimal budget allocation for each borough which is derived from considering the technical, economic, environmental, and social aspects. The result can be used as reference to budget allocation to improve the sustainability of the sewer systems.

Original languageEnglish
Title of host publicationISEC 2017 - 9th International Structural Engineering and Construction Conference
Subtitle of host publicationResilient Structures and Sustainable Construction
EditorsJose M. Adam, Eugenio Pellicer, Siamak Yazdani, Amarjit Singh, Victor Yepes
PublisherISEC Press
ISBN (Electronic)9780996043748
Publication statusPublished - 2017 Jan 1
Event9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction, ISEC 2017 - Valencia, Spain
Duration: 2017 Jul 242017 Jul 29

Publication series

NameISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction

Other

Other9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction, ISEC 2017
CountrySpain
CityValencia
Period17/7/2417/7/29

Fingerprint

Sewers
Patient rehabilitation
Social aspects
Climate change
Disasters
Rain
Sustainable development
Pipelines
Aging of materials
Genetic algorithms
Economics

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction

Cite this

Kim, Y., Jang, W., & Heon Han, S. (2017). Optimal budget allocation model for rehabilitation of sewer system considering social and environmental changes. In J. M. Adam, E. Pellicer, S. Yazdani, A. Singh, & V. Yepes (Eds.), ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction (ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction). ISEC Press.
Kim, Yeonsoo ; Jang, Woosik ; Heon Han, Seung. / Optimal budget allocation model for rehabilitation of sewer system considering social and environmental changes. ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction. editor / Jose M. Adam ; Eugenio Pellicer ; Siamak Yazdani ; Amarjit Singh ; Victor Yepes. ISEC Press, 2017. (ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction).
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Kim, Y, Jang, W & Heon Han, S 2017, Optimal budget allocation model for rehabilitation of sewer system considering social and environmental changes. in JM Adam, E Pellicer, S Yazdani, A Singh & V Yepes (eds), ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction. ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction, ISEC Press, 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction, ISEC 2017, Valencia, Spain, 17/7/24.

Optimal budget allocation model for rehabilitation of sewer system considering social and environmental changes. / Kim, Yeonsoo; Jang, Woosik; Heon Han, Seung.

ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction. ed. / Jose M. Adam; Eugenio Pellicer; Siamak Yazdani; Amarjit Singh; Victor Yepes. ISEC Press, 2017. (ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Municipalities face to challenges related to urban infrastructure, mainly related to aging infrastructure. The metropolitan area of Seoul, Korea, reported that more than half of the entire sewer systems are over 30 years old. The deteriorated sewer systems caused serious safety disaster such as sink hole and other social problems. Furthermore, these phenomena continue to accelerate because the sewer systems are seriously affected by variability of rainfall which results from the climate change and human migration from the social change. Therefore, it is necessary to do proactive rehabilitation instead of overdue maintenance considering the social and environmental change. This research presents the conceptual framework for deciding the priority for investment in the borough of Seoul which is based on the extensive evaluation for identifying the sewer pipelines which need rehabilitation work. To address the comprehensive evaluation of priority for investment, Genetic Algorithm (GA), is adopted to find optimal budget allocation for each borough which is derived from considering the technical, economic, environmental, and social aspects. The result can be used as reference to budget allocation to improve the sustainability of the sewer systems.

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Kim Y, Jang W, Heon Han S. Optimal budget allocation model for rehabilitation of sewer system considering social and environmental changes. In Adam JM, Pellicer E, Yazdani S, Singh A, Yepes V, editors, ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction. ISEC Press. 2017. (ISEC 2017 - 9th International Structural Engineering and Construction Conference: Resilient Structures and Sustainable Construction).