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

지중관로 매설 밀집도에 따른 지반함몰 발생 상관 분석

  • 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)
  • Received : 2021.09.10
  • Accepted : 2021.09.24
  • Published : 2021.11.01

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.

최근 도심지를 중심으로 지반함몰이 꾸준하게 발생되고 있어 시민들의 안전을 위협하고 있다. 도로 하부에는 상수관로, 하수도관로, 통신관로 등 각종 지하 시설물이 매설되어 있다. 이러한 지하시설물의 노후화와 지하 난개발로 인해 지반함몰의 원인으로 작용하고 있다. 기존 관로의 노후도에 따라 지반함몰 발생 위험도를 분석된 결과가 있지만 지반 교란상태를 나타내는 관로의 밀집도를 활용한 지반 함몰 위험도를 분석한 결과는 없는 실정이다. 따라서, 본 연구에서는 서울시의 대표 지하 관로 6종 데이터를 활용하여 지하공간의 밀집도를 분석하여 지반함몰과 상관성이 있는지에 대한 연구를 수행하였다. 그 결과 지반함몰 발생 지역에서는 지하 시설물의 밀집도가 높은 것으로 나타나 지반함몰에 관로의 밀집도가 영향을 미치는 것을 알 수 있었다.

Keywords

Acknowledgement

본 연구는 (21주요-대1-임무) 지하공간 정보 정확도 개선 및 매설관 안전관리 기술개발(2/3) 지원으로 수행되었으며, 이에 깊은 감사를 드립니다.

References

  1. Kim, J. Y. (2017), Correlation analysis of sewer integrity and ground subsidence, Journal of the Korean Geo-Environmental Society, Vol. 18, No. 6, pp. 31~37. https://doi.org/10.14481/jkges.2017.18.1.31
  2. Ministry of Environment (2015), "Sewage pipeline scrutiny manual".
  3. Ministry of Land (2015), Infrastructure and Transport, "Ground Subsidence Safety Management Manual".
  4. Seoul Institute (2016), "The Road Subsidence Conditions and Safety Improvement Plans in Seoul.
  5. Seoul Metropolitan City (2014), "'Road Depression' Cause Investigation, a Special Management Measures Announced".
  6. Seoul Metropolitan City (2017), Road management technology white paper.