Developing a Construction Projects Risk Assessment Model Based on Rough Set Theory

Rational decision making plays an important role in construction industry. This industry faces a lot of risks that ignoring them, makes the projects less effective or even unsuccessful. Because of uncertainty in risks and inadequate information in this area, success of the projects dealing with ambiguity. This study mainly focuses on the risk evaluation of construction project risk and selecting the projects with minimum level of risk. Beside, evaluating project risk involves much subjectivity and vagueness. This study mainly focuses on the risk evaluation of construction project risk and selecting the projects with minimum level of risk. Beside, evaluating project risk involves much subjectivity and vagueness. To manipulate this uncertainty, a new approach on the basis of rough numbers proposed. To manipulate this uncertainty, a new approach on the basis of rough numbers proposed. This method integrated the merit of rough set theory in handling vagueness and the strength of group VIKOR process in modeling and assessing risk. Finally, an application in a construction company is provided to demonstrate the application and potential of the methodology. Finally, an application in a construction company is provided to demonstrate the application and potential of the methodology.