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Paper Information

Journal:   JOURNAL OF HEALTH AND SAFETY AT WORK   FALL 2014 , Volume 4 , Number 3; Page(s) 67 To 74.
 
Paper: 

PROPOSING A MODEL FOR SAFETY RISK ASSESSMENT IN THE CONSTRUCTION INDUSTRY USING GRAY MULTI-CRITERION DECISION-MAKING

 
 
Author(s):  ABOOTORABI S.M., MEHRNO H., OMIDVARI M.
 
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Abstract: 

Introduction: Statistical Report of the Social Security Organization indicates that among the various industries, the construction industry has the highest number of work-related accidents; so that in addition to frequency, it has high intensity, as well. On the other hand, a large number of human resources are working in this whish shows they necessity for paying special attention to these workers. Therefore, risk assessment of the safety in the construction industry is an effective step in this regard. In this study, a method for ranking safety risks in conditions of low number of samples and uncertainty is presented, using gray multi-criterion decision-making.
Material and Method: In this study, we first identified the factors affecting the occurrence of hazards in the construction industry. Then, appropriate for ranking the risks were determined and the problem was defined as a multi-criterion decision-making. In order to weight the criteria and to evaluate alternatives based on each criterion, gray numbers were used. In the last stage, the problem was solved using the gray possibility degree.
Result: The results show that the method of gray multi-criterion decision-making is an effective method for ranking risks in situations of low samples compared with other methods of MCDM.
Conclusion: The proposed method is preferred to fuzzy methods and statistics in uncertain and low sample size, due to simple calculations and no need to define the membership function.

 
Keyword(s): MULTIPLE ATTRIBUTE DECISION MAKING, GREY POSSIBILITY DEGREE, GREY NUMBERS, GREY SYSTEMS THEORY, GREY SET
 
References: 
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