Abstract
This paper presents a study on the application of BIM (Building Information Modeling) technology based on CDM (Component Data Model) theory in the design stage of precast concrete structures from three aspects of standard formulation, designing by filling numbers and software development, which is used to solve the problem that IFC（Industry Foundation Classes) cannot be implemented in the traditional mode. BIM technology, with its advantages of visualization, parameterization and integration, is widely used in the full life-cycle of prefabricated buildings. Initially, this paper analyzes the disadvantages of traditional BIM technology based on IFC format, such as the defect in developing IFC plug-ins and low data interaction efficiency for the lost of a large amount of data in the model. Then the process of BIM technology based on CDM theory is introduced for the design stage of precast concrete structures and from the comparative analysis of CDM theory and IFC theory, we can find that CDM theory can break the data island in the process of project design and improve the efficiency of data interaction among each BIM software. Finally, the feasibility of the proposed technical route is verified by a practical prefabricated engineering case, and this method can be universally applied to the full life-cycle management of the project construction.
Highlights
At present, in each stage of project construction, information exchange between building information modeling (BIM) (Building Information Modeling) software is mainly through IFC (Industry Foundation Classes) format
This paper applies BIM technology based on CDM theory to the design stage of precast concrete structure, solves the problem of internal differences of IFC format files in different BIM software, breaks the data island, and truly realizes data interaction and sharing
It can be seen that these disadvantages make it difficult to implement the BIM technology based on IFC format in engineering application
Summary
In each stage of project construction, information exchange between BIM (Building Information Modeling) software is mainly through IFC (Industry Foundation Classes) format In this mode, there are many unavoidable and difficult problems in information interaction. This paper applies BIM technology based on CDM theory to the design stage of precast concrete structure, solves the problem of internal differences of IFC format files in different BIM software, breaks the data island, and truly realizes data interaction and sharing. In the development of IFC standards for more than 20 years, there are still many problems in the application of engineering Under such circumstances, it is difficult for China to realize the application of BIM based on IFC model, and a large number of differentiation problems at home and abroad need to be solved [12]
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