Proposing an Integrated Time-Cost Management Model based on Building Information Modeling (BIM) and Blockchain Technology (BCT) Smart contract Development Approach in the Construction Industry

The construction industry is one of the most important sectors of the economy all over the world which does not have considerable contribution in the development and use of emerging technologies to improve the productivity of construction projects. The fourth industrial revolution (Industry 4.0) paves the way for promoting the use of emerging information-based technologies such as building information modeling or blockchain technology (BCT) and smart contracts in the construction industry. These types of technologies support cooperation between the parties and balance the influence of stakeholders in the project implementation process. In this study, a decentralized and automatic model and framework based on BCT is proposed for intelligence of the project's time-cost processes by using building information modeling technology. To achieve the goals of the research, BCT and BIM technologies have been studied and the desired model has been developed by creating a relationship between the 3D model, the work breakdown structure and the time and cost areas of the project. Therefore, in this research, the relationship between BCT and Building Information Modeling (BIM) has been investigated and the ability of the proposed model to manage the process of updating the schedule and project costs has been evaluated and confirmed through the preparation of preliminary plans. The present study is one of the first attempts to provide a real-reliable process using the integrated BCT-BIM system for the automation of time-cost domains.