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http://dx.doi.org/10.14481/jkges.2021.22.11.23

Correlation Analysis of the Occurrence of Ground Subsidence According to the Density of Underground Pipelines  

Kim, Jinyoung (Department of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology)
Kang, Jaemo (Department of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology)
Choi, Changho (Department of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology)
Publication Information
Journal of the Korean GEO-environmental Society / v.22, no.11, 2021 , pp. 23-29 More about this Journal
Abstract
Recently, ground subsidence has been steadily occurring mainly in downtown areas, threatening the safety of citizens. Under the road, various underground facilities such as water supply pipe, sewage pipe, and communication pipe are buried. Due to the aging of these underground facilities and the reckless development of the underground, it is acting as a cause of ground subsidence. Although there is a result of analyzing the risk of ground subsidence according to the deterioration of the existing pipeline, there is no result of analyzing the risk of ground subsidence using the density of pipelines indicating ground disturbance. Therefore, in this study, the density of the underground space was analyzed using the data of six types of representative underground pipelines in Seoul, and a study was conducted on whether there is a correlation with the ground subsidence. As a result, it was found that the density of underground facilities is high in the area where the ground subsidence occurred, indicating that the density of pipelines have an effect on the ground subsidence.
Keywords
Ground subsidence; Underground pipeline; Density analysis; Pipeline density; Ground disturbance rate;
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