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Application of AHP-PROMETHEE to determine areal and linear priorities for sewer rehabilitation projects

하수관로의 면단위 및 선단위 정비 우선순위 결정을 위한 AHP-PROMETHEE기법의 적용

  • Ahn, Hosung (Saman Inc.) ;
  • Yoo, Soonyu (Department of Consilience, Korea Polytechnic University) ;
  • Lee, Taehoon (Department of Civil and Environmental Engineering, Dankook University) ;
  • Park, Kyoohong (School of Civil and Environmental Engineering, Chung-Ang University)
  • 안호성 ((주)삼안) ;
  • 유순유 (한국산업기술대학교 지식융합학부) ;
  • 이태훈 (단국대학교 토목환경공학과) ;
  • 박규홍 (중앙대학교 사회기반시스템공학부)
  • Received : 2020.07.30
  • Accepted : 2020.08.21
  • Published : 2020.08.15

Abstract

Since sewer rehabilitation program requires long construction period and enormous capital investment, determination of rehabilitation priorities is important with systematic planning considering appropriate evaluation parameters. In this research, we applied PROMETHEE(Preference Ranking Organization METHod for Evaluations) known as very objective and scientific multi-criteria decision-making analysis, using the weights determined by AHP(Analytic Hierarchy Process) for the selected sewer evaluation items to calculate the rehabilitation priorities for each sewer sub-catchment in basin Gusan 1 of Seoul. Preference functions and preference thresholds were estimated for each criterion of ratio of lack of hydraulic capacity of sewers, defect ratio, ratio of sewers with velocity less than its minimum criteria, and density of sewers in the sub-catchment. As a result, it was found that region d had the first priority among four sub-catchments. For each and every sewer located in region d, we could also rank sewers to be rehabilitated urgently.

Keywords

References

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