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A Study on the Methodology modelling of Risk Assessment in Road Tunnels
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 Title & Authors
A Study on the Methodology modelling of Risk Assessment in Road Tunnels
Cho, Inuh; Han, Dae-yong; Kim, Seung-jin; Yoon, Jong-ku;
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The demand for subsurface transport is increasing. The users and the operators of road tunnels are exposed to risks with different causes. One main cause, however, is the traffic situation in the event of accidents. The importance of a Quantified Risk Assessment is increasing to quantify the safety of road tunnels and to balance the requirements (capacity, reliability, availability, maintainability and safety) of various stakeholders. Although there are classical methods for risk assessments, such as ETA and FTA. These methods are used for relatively simple cases because it could not relevantly reflect the diversity and relationship of the parameters. Therefore, a quantitative risk assessment based on Bayesian Probabilistic Networks considering interdependence between the parameters of a complex underground system as a double deck tunnel is provided.
Bayesian Probabilistic Networks;Quantitative Risk Assessment;Tunnel;
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