عنوان مقاله [English]
With the expansion of the global application of building information modeling (BIM), its application in many countries, including Iran, is facing many obstacles. Therefore, studying the implementation barriers is necessary. In this paper, the research background was first examined and barriers to BIM implementation were identified and categorized. Then, using a questionnaire, the importance of obstacles and challenges from the perspective of experts was assessed. Analysis of collected data with the help of Kendall ranking showed that the most important challenges and obstacles facing the adoption and implementation of BIM in the Iranian AEC industry are: Lack of policy and roadmap in the organization, lack of knowledge and support of senior management, lack of readiness of the manufacturing industry, lack of attention to various aspects of BIM in current contracts and lack of guidelines and application standards. Also, those in charge of overcoming these obstacles and challenges were identified at four levels of decision-making: (1) government, (2) professional institutions and associations, (3) organization, and (4) inter-organizational. In the mentioned questionnaire, the level of responsibility of each level in front of removing obstacles was also evaluated and using risk analysis method, prioritization of obstacles and challenges for different levels of decision making was determined. Accordingly, the barriers of "BIM implementation requires changes in legal procedures", "lack of guidelines and application standards", "lack of knowledge and support of senior management" and "poor partnership between consultant and contractor" are the most important barriers for the decision making levels.