Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Failure Risk Assessment of Reinforced Concrete Sewer Pipes on Crack-Related Defects

원심력철근콘크리관의 결함에 따른 심각도 평가 -균열 사례를 중심으로-

  • 한상종 (한국건설기술연구원 환경연구실) ;
  • 신현준 (한국건설기술연구원 환경연구실) ;
  • 황환국 (한국건설기술연구원 환경연구실)
  • Received : 2013.10.14
  • Accepted : 2013.12.05
  • Published : 2013.12.15
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Abstract

CCTV inspection method has been used in Korea for more than 20 years, but there is no proper assessment system for sewer failure severity that considers the domestic circumstances. This study classified the defects caused by the overburden load of reinforced concrete sewer pipes depending on severity and developed defect code by analyzing the domestic CCTV inspection videos. The defect score was assigned to each defect code, and it was classified into 5 grades for the decision-making of repair and rehabilitation. The result of this study is expected to be useful for domestic CCTV inspectors to assess the sewer condition and helpful for managers to make a decision of repair and rehabilitation.

Keywords

References

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  3. Suggestion of the Domestic CCTV Inspection Sewer Pipe Defect Codeby Sewer Defect Frequency Analysis vol.30, pp.6, 2016, https://doi.org/10.11001/jksww.2016.30.6.623
  4. Comparison of two sewer condition assessment protocols in S. Korea vol.57, pp.60, 2016, https://doi.org/10.1080/19443994.2016.1151836
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