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http://dx.doi.org/10.14481/jkges.2017.18.6.31

Correlation Analysis of Sewer Integrity and Ground Subsidence  

Kim, Jinyoung (Geotechnical Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology)
Kang, Jaemo (Department of Civil and Environmental Engineering, Hanyang University)
Choi, Changho (Geotechnical Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology)
Park, Duhee (Department of Civil and Environmental Engineering, Hanyang University)
Publication Information
Journal of the Korean GEO-environmental Society / v.18, no.6, 2017 , pp. 31-37 More about this Journal
Abstract
In recent years, the increasing trend of ground subsidence in major cities has caused social problems. Aged sewer pipeline as a main attribute for the subsidence is simply replaced and maintained according to a survey result with related to its buried period. However, other attributes and risk analysis for the subsidence have not been well studied yet. In this point, this study proposed various environmental and structural attributes with related to sewer pipelines and, then, a method of ground subsidence risk evaluation with a certain level of reliability. In order to find effective attributes to ground subsidence near to sewer, the nearest sewerage data were extracted at the location of subsidence in the City of Seoul, and a level of correlation was analyzed between subsidence and individual attribute. The effective weight factors for the proposed attributes was estimated through AHP analysis and its applicability was verified by comparing the actual subsidence data to the risk evaluation in the pilot study district of Seoul.
Keywords
Sewer; Sinkhole; Ground subsidence; Analytic Hierarchy Process;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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