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Application of TOPSIS Method in Formwork Selection Problem

Formwork selection problem has been discussed since early 90’s until now by various researchers all over the world. Numerous methods have been applied to solve this problem, but not TOPSIS method, which is a technique for order performance by similarity to ideal solution. The paper briefly describes the algorithm of TOPSIS and its advantages over other MCDA methods. An appropriate example presents how to aid formwork selection using TOPSIS. The decisive criteria, their importance weights and formwork systems’ assessment, which are mandatory to solve the problem within the method, were obtained from a structured survey carried out among concrete works’ contractors.