Journal
JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT
Volume 14, Issue 2, Pages 85-93Publisher
VILNIUS GEDIMINAS TECH UNIV
DOI: 10.3846/1392-3730.2008.14.3
Keywords
walls; alternatives; multi-attribute; selection; COPRAS; COPRAS-G; grey number
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The higher life quality standards, the changes of habits and new well-being requirements have led to all increase in the demand for housing. Decision-making problems in construction management often involve it complex decision-making process ill Which Multiple requirements and conditions have to be taken into consideration simultaneously. However, not every attribute used in multidimensional scaling is equally and Precisely Weighted in the real world. Thus quantilative and qualitative assessments are often required to deal with uncertainty, subjective and imprecise data. rile accuracy of performance measures in common multi-attribute methods is usually assumed to be accurate. Grey theory is a new technique for performing prediction, relational analysis and decision-making in many areas. This paper considers the application of grey relations methodology For defining the utility of an alternative and is proposed as I method of multiple criteria COmplex PRoportional ASsessment of alternatives with Grey relations (COPRAS-G). In this model parameters of the alternatives are determined by the grey relational grade and are expressed in intervals. A Case study of assessing external walls of four alternatives wits used to demonstrate the applicability and the effectiveness of file proposed approach. The results Show that this method can be implemented as an effective decision aid in multi-attribute selection.
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