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The premature failure of repaired concrete structures has become a big concern for civil engineers in recent years. While premature failure can be greatly reduced through the selection of an appropriate repair material, civil engineers must take into account a large number of conflicting criteria for candidate repair materials to make the final decision. In this paper, a procedure coupled with the VIKOR method is proposed to obtain the best repair material for concrete structures. This procedure can aid civil engineers in modeling and selecting suitable repair materials according to a set of predefined criteria. A case study is included to validate the accuracy of the outcomes of the proposed procedure. Since weights play a significant role in the ranking of results for the repair materials, sensitivity analysis is conducted using three different methods for assigning weights to find more reliable results. Keywords: Repair material, Concrete, Decision making, MCDM