Tohru Furuichi*, Toshiro Oshikata**, Masaaki Ebihara***, Masaru Tanaka**** and Masataka Hanashima*****

* Osaka Prefecture University, Department of Energy Systems Engineering
** Fukuoka University, Graduate Student
*** Taisei Corporation, Technology Development Department II
**** The Institute of Public Health, Waste Engineering Dept.
***** Fukuoka University, Faculty of Engineering

+ Correspondence should be addressed to Tohru Furuichi:
(1-1 Gakuen-cho, Sakai Osaka 593 Japan)

Abstract

Monitoring networks which will detect leachate leaks from landfill disposal sites need to be designed with an aim to better manage environmental risks traceable to these leaks. With regard to a system for detecting leaks in the case of a seepage control sheet break by monitoring electrical potential distortion, the authors needed to clarify the rate of leakage flow and important monitoring networks for the management of environmental risks caused by leakage. A model experiment and numerical simulation was made to quantitatively analyze the accuracy for measuring the size and location of the breaks. Based on the results, design requirements for leakage detection monitoring networks were made clear for the management of environmental risks.

Key words: landfill disposal site, seepage control sheet break, leak flow rate, environmental risks, leakage detection