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초록
This study has suggested the base data for decision of maintenance ranking and estimation of maintenance effect in the maintenance project of sewers as based on investigation of the defective rate in the sewer through Infiltration/Inflow(I/I) and CCTV analysis. It also analyzed the correlation between I/I and defective rate of sewer.As the result of this study, (1) Defective items of sewer was found out one item each 12.97m with an average. (2) By regression analysis, I/I has high correlation with defective rate of sewer like that R2 is 0.7806. (3) The first thing in the item with bad influence on the I/I was joint badness and secondary was cross connection.
키워드
침투수/유입수(I/I); CCTV; 불량률; 접합불량; 타관통과; Infiltration/Inflow(I/I); CCTV; defective rate; joint badness; cross-connection; Infiltration/Inflow(I/I); CCTV; defective rate; joint badness; cross-connection
- 제목
- 하수관거 침투수/유입수(I/I)와 불량률과의 상관성 분석
- 제목 (타언어)
- Analysis on Correlation between Infiltration/Inflow and defective rate in sewer
- 저자
- 최승철; 임재명; 권영성
- 발행일
- 2005-04
- 유형
- Y
- 저널명
- 상하수도학회지
- 권
- 19
- 호
- 2
- 페이지
- 221 ~ 227