THE SELECTION OF THE HYDRAULIC BARRIER IN THE LANDFILL SITE CONSIDERED THE DYSFUNCTION RISK AND LIFE CYCLE COSTS

Abstract

  It's important to consider the life cycle cost (LCC) including the probability of dysfunction risk as well as the initial cost in the hydraulic barrier on the landfill sites. However, it's difficult to estimate correctly probability of dysfunction risk because we do not have enough announcements of dysfunction examples against the hydraulic barrier. In this paper, we have proposed methodology that treat a probability as a variable that influences the decision-making, not as a parameter. Specifically we have made it clear that the structural relation between the dysfunction probability and the LCC about the hydraulic barrier and shown the diagrams that is able to estimate the introducing merit between the double sheets only, the leak detection system and the self selling system.