In order to improve the safety of prefabricated building construction,effectively prevent and control construction collisions,a virtual construction collision detection method for prefabricated buildings was studied using BIM technology.Firstly,establish a three-dimensional BIM model of prefabricated buildings,displaying the design drawings and prefabricated component information of prefabri-cated buildings.Secondly,in the BIM model,set virtual construction collision detection rules.On this basis,select representative test samples in the model,load them into BIM software,activate collision detection function,execute collision detection,and provide feed-back on the detection results.The experimental results show that the collision detection method has high accuracy and reliability after application,and can accurately identify and locate different types of collision points.
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