Research on key technologies for intelligent construction of large steel structure buildings
Large steel structure plays a vital role in building construction,but the deviation between the design model and the actual construction state is inevitable,which seriously affects the quality and safety of building construction.Based on this,an intelligent construction monitoring method for large steel structures based on laser point cloud is proposed in this paper.Firstly,three-dimensional laser scanning technology is introduced to obtain accurate and complete spatial information of steel structures.Then,considering the inconsistency between the design model and the laser point cloud coordinate system,the building information model was converted into a point cloud model,and a coarse to fine registration strategy was adopted to achieve data unification between the two types of point clouds.Finally,based on the design model,the spatial information of the steel structure is extracted from the laser point cloud data,and the distance deviation between the two models is analyzed to reflect the actual construction status.The experimental results indicate that this method can extract the deviation between the design model and the actual construction,providing an accurate data source for the intelligent construction of steel structures.
steel structureconstruction monitoringground 3D laser scanningpoint cloudBuilding Information Model