The Application and Problem Analysis of BIM5D Technology in PPP Project Cost Management:Taking the Ziyang PPP Project as an Example

With the rapid development of intelligent Internet technology, the information age of the traditional construction industry has arrived. At the same time, the construction industry has also ushered in a new project contracting mode such as EPC, PPP. This paper takes the Ziyang PPP project as an example to conduct in-depth discussion and research on the innovative application and problems of the BIM5d technology in the cost management of the PPP project, so as to provide experience for maximizing the application benefits of the BIM5D technology in the dynamic management of the PPP project contracting mode.