Volume 10, Issue 1 (7 2012)                   sjsph 2012, 10(1): 43-52 | Back to browse issues page

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Lali-Dastjerdi E, Mohammadfam I. Comparison of two techniques of fault tree analysis and Tripod-Beta using the analytic hierrarchy process for accidents analysis in a steel-manufacturing industry. sjsph. 2012; 10 (1) :43-52
URL: http://sjsph.tums.ac.ir/article-1-29-en.html
1- , Mohammadfam@umsha.ac.ir
Abstract:   (8770 Views)

Background and Aim: The purpose of this study was to compare the two techniques of fault tree analysis (FTA) and Tripod-Beta using the analytic hierrarchy process (AHP) for choosing the preferred technique to be used in the analysis of grave accidents in a steel-manufacturing company.

Materials and Methods: This research project was carried out in three main phases.  In the first phase two disastrous accidents were sketched for analysis and, using the two techniques of FTA and Tripod-Beta, the causes for their occurrence were determined. In the second phase 7 criteria were chosen for comparing the two techniques. Finally, in the third phase, the two techniques were compared on the basis of chosen criteria, using AHP.

Results: The findings showed that the criterion for the number of accidents' agents with a priority of 0.435 had the highest priority, followed by quantitative ability, cost of analysis, time spending, and software need with a priority of  0.07,  0.059,  0.038,  and 0.036, respectively.

Conclusion: Considering all the chosen criteria, it can be concluded that the fault free analysis technique with a priority of 0.624 is superior to Tripod Beta technique with priority a priority of 0.35.

Full-Text [PDF 170 kb]   (2713 Downloads)    
Type of Study: Research | Subject: General
Received: 2011/07/3 | Accepted: 2011/12/20 | Published: 2013/09/11

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