In order to overcome the problems of high root mean square error, low monitoring accuracy and low reliability in construction project collaborative management, a new construction project collaborative management method based on BIM technology is proposed. Combined with BIM technology and collaborative management, this method establishes the network structure model of collaborative management, and expounds the evolution process of collaborative management. This method makes qualitative analysis and quantitative research on the collaborative degree of project management by combining the logistic model and order parameter principle, and completes the collaborative management of project construction based on the project organisation management system of BIM technology. The experimental results show that the root mean square of relative error is reduced by 0.84, the accuracy of monitoring is improved by 41, and the reliability is improved by 18, which is suitable for the collaborative management mode of current project innovation in China.
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