Risk Assessment On Dam Safety

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PROJECT-I REPORT: LITERATURE REVIEW IME864: Risk Analysis Fall, 2014, Wichita State University, Wichita, KS USA RISK ASSESSMENT ON DAM SAFETY VAMSI PRASANTH REDDY MADDI, P253G985 Affiliation City, State, Country Email: ABSTRACT Portfolio risk management is a risk-informed approach for improved management of dam safety. It can be used to identify ways to strengthen technical and organizational aspects of a dam safety program. Portfolio risk assessment is a decision support tool, which is incorporated in portfolio is management. The risk related to existing hydraulic structures have been analyzed using Bayesians networks. The multidisciplinary approach allowed the comparison, according to the probability of failure being used…show more content…
The methodologies such as event trees or fault trees presents some limitations related to the representation of dam risk in absolute terms and also in taking into account the complexity and the uncertainty related to the potential failures mechanism. The use of Bayesian networks is proposed to overcome some weaknesses of the existing tools and to capitalize on their merits. One of the main functions of Bayesian network is the realization of inferences where conditional probabilities for some variable are calculated given information on other variables. The effects of new evidence is propagated in the network by means of algorithms based on Bayes’ theorem which can be expressed in terms of cause and effect P (cause│effect) = P (cause)* P (effect│cause) P (effect) Impact = P (F) – P (F/Va) P (F) Criticality = │impact * P (Va) │ Priority_ index = impact Cos t NOMENCLATURE P (F) = probability of failure P (F/Va) = probability of failure by variable 1. EXPLANATION OF THE WORK PRESENTED IN JOURNAL ARTICLES This section explains the articles you reviewed. 2.1 ARTICLE I This article mainly focuses on the safety assessment
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