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http://dx.doi.org/10.3741/JKWRA.2004.37.3.195

Development of Optimal Urban Runoff System : I. Study of Inflow/Infiltration Estimation Considering AHP in Urban Runoff System  

Lee, Jung-Ho (고려대학교 사회환경시스템공학과)
Kim, Joong-Hoon (고려대학교 사회환경시스템공학과)
Kim, Hung-Soo (인하대학교 환경토목공학부)
Kim, Eung-Seok (선문대학교 토목공학과)
Jo, Deok-Jun (고려대학교 사회환경시스템공학과)
Publication Information
Journal of Korea Water Resources Association / v.37, no.3, 2004 , pp. 195-206 More about this Journal
Abstract
One of the main factors which reduces the efficiency of a sewage treatment plant is the Inflow/Infiltration(Ⅰ/Ⅰ) in the sewer First we must calculate the quantity of Ⅰ/Ⅰ via the investigation of each sewer to establish the reduction plan of Ⅰ/Ⅰ. However, in Korea, we apply the results of a surveyed sample to the entire study area to establish the reduction plan of Ⅰ/Ⅰ. This methodology just considers the total Ⅰ/Ⅰ for the entire study area but it does not consider the quantity of Ⅰ/Ⅰ for the individual sewer systems. Therefore, we may need the model to consider the Ⅰ/Ⅰ in the individual sewer systems and we develop the model to calculate the Ⅰ/Ⅰ that happen in urban sewer systems. We estimate the Ⅰ/Ⅰ of individual systems by the developed model and the estimated Ⅰ/Ⅰ are utilized as the basic data for the establishment of Ⅰ/Ⅰ reduction plan. The observed Ⅰ/Ⅰ for the entire study area is distributed into the individual sewer systems according to their defect states. Here, the weights of defect elements are calculated using AHP(Analytic Hierarchy Process) and we perform the uncertainty analysis for considering the errors using MCS(Monte Carlo Simulation).
Keywords
Sewer; I/I; AHP; MCS; Defect Element; AHP; MCS;
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