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Abstract
The construction project management (CPM) is very important and large segment of entire project management (PM). Realisation of construction projects is usually long term process which requests significant financial, material, human and other resources to fulfil contracted obligations and achieve a good quality of works. Therefore, making good decisions with the satisfaction of various criteria is one of the main conditions to achieve planed business objectives and finish the project in contracted time with good quality. This paper proposes a new procedure for determination of the weights of criteria and alternatives in the Fuzzy analytic hierarchy process (FAHP) with trapezoidal fuzzy number using a new method for finding eigenvelues and eigenvectors of the criteria and alternatives, which is based on expected values of the fuzzy numbers and their products. Local and global fuzzy weights of the alternatives are determined using linear programming. In the paper a formula for ranking fuzzy numbers by reduced generalized fuzzy mean is also proposed, since ranking by the coefficient of variation is not always reliable. In the presented case study, applying proposed method, from imprecise input data are obtained enough accurate and useful results for rational ranking of alternatives related to the project realization.
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Notes on contributors
Natasa Prascevic
Natasa PRASCEVIC. An Assistant professor at the University of Belgrade, Faculty of Civil Engineering, Serbia, where she also serves as the Vice dean. She conducted her PhD studies at University of Belgrade. Her main areas of research interest include IT in construction, information systems, operational research, soft computing. She has been involved in several research projects sponsored by Ministry of science and technology progress in Serbia. She published several books and more than 30 papers in national and international journals and proceedings.
Zivojin Prascevic
Zivojin PRASCEVIC. A Full Tenured Professor at the University of Belgrade, Faculty of Civil Engineering, Serbia. He has been Professor of Construction management and technology, Operational research at the University of Belgrade, Faculty of Civil Engineering, University of Montenegro, Podgorica and Visiting Professor at several other universities in former Yugoslavia. He is ordinary member of the Academy of Engineering Sciences of Serbia and secretary of its Division of Civil Engineering Sciences. He has been the dean of the Civil Engineering Faculty and Head of the Department of Construction Management and Technology. His scientific, professional and design work is related to the construction management, operational research, structural engineering and optimization.