Selection of concrete lining corrosion protection method for large sewer tunnels

하수터널의 콘크리트 라이닝 부식 방지공법 선정방법에 관한 고찰

  • Moon, Joon-Shik (Dept. of Civil Engineering, Kyungpook National University) ;
  • Lee, Sungjune (Dept. of Civil Engineering, Cheongju University)
  • 문준식 (경북대학교 공과대학 토목공학과) ;
  • 이성준 (청주대학교 이공대학 토목공학과)
  • Received : 2014.05.22
  • Accepted : 2014.06.27
  • Published : 2014.07.31


Recently construction of large sewer tunnels used also as underground sluiceways/storages is increasing in order to prevent urban inundation, untreated sewage flow into rivers from combined sewer overflows and consequential river pollution due to climate change. Most of these large sewer tunnels are constructed with concrete and the concrete lining should be protected from corrosion caused by hydrogen sulfide($H_2S$). This paper introduced popular concrete corrosion protection methods for large sewer tunnels with 100-plus years of life cycle, and pros and cons of each corrosion protection methods were described by giving specific examples. However, it is difficult to objectively assess corrosion protection alternatives because of insufficient track record of corrosion protection methods applied to large sewer tunnels. In this paper, the evaluation process for selecting a corrosion protection alternative was introduced for large sewer tunnels using a case study.


Supported by : 한국연구재단


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