TIME SERIES CHANGES IN THE INFRASTRUCTURE MAINTENANCE SYSTEM OF DRINKING WATER PIPELINES UNDER STATIONARY BUSINESS ENVIRONMENT
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- SAKAI Hiroshi
- 東京都立大学 都市環境学部
Bibliographic Information
- Other Title
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- 定常環境事業体を対象とした水道管路のインフラメンテナンス体制の経年変化についての考察
Abstract
<p> To promote infrastructure maintenance of water pipelines, proposing an efficient system based on statistical data is desirable. This study analyzes the trends in index values and correlations among variables in steady-state business environmental entities that have not merged and whose water supply area remained unchanged from FY2001 to FY2020. The study analyzed the correlation between index values and variables. It was found that utilities that demonstrated improvement tended to increase construction work during periods of rising water supply revenues. Additionally, utilities that improved their inefficiency ratio also increased the ductile pipe ratio. Finally, utilities that improved the aged pipe ratio may have benefited from a longer average employee service length.</p>
Journal
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- Infrastructure Maintenance Practices
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Infrastructure Maintenance Practices 3 (1), 145-153, 2024
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390017843872117504
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- ISSN
- 2436777X
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- Text Lang
- ja
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- Data Source
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- JaLC
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- Abstract License Flag
- Allowed