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Decision Making Methodology on Ventilation System for Road Tunnels Based on Multi-Attribute Utility Theory  

Lee, Hye-Jin (한국시설안전공단 기술사업단 기술개발실)
Kang, Sang-Hyeok (한양대학교 대학원)
Park, Won-Young (한양대학교 대학원)
Seo, Jong-Won (한양대학교 토목공학과)
Publication Information
Korean Journal of Construction Engineering and Management / v.8, no.3, 2007 , pp. 106-115 More about this Journal
Abstract
The size and length of road tunnels have been gradually expanded as industry developed. Consequently, the risk has been increased. The decision making process for ventilation system for road tunnels involves a large amount of information on economic feasibility, construction methods, and safety etc. In situation where systematically structured decision making process is unavailable, almost decisions about ventilation systems are made based on engineers' private knowledge and experiences. Procedure and criteria to choose the best optimized ventilation system among many alternatives are proposed, breaking away from the economic dependency-oriented decision making. This paper presents a Multi-Attribute Utility Theory and AHP based function with which planners can calculate overall utility of each alternative. It is anticipated that the effective use of the proposed methodology for decision making on ventilation systems ould be able to reduce the likelihood of the occurrence of potential safety risks as well as increase the overall ventilation performance.
Keywords
Multi Attribute Utility Theory; Tunnel Ventilation System; Decision Making System; AHP;
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