3D scanning technology and MR technology-based building structure demolition method

Abstract

The invention discloses a 3D scanning technology and MR technology-based building structure demolition method. The method comprises the steps of setting scanning points according to features of an existing building structure, scanning a building by using a three-dimensional laser scanner, splicing data information of different scanning points, rubbing a building structure model, and reversely building a BIM of members; performing format conversion on the model and importing the model into 3D 3S stress analysis software for performing stress analysis to form an internal force envelope diagram and a combined displacement diagram corresponding to the building structure; integrating the internal force envelope diagram and the combined displacement diagram, and forming a building structure demolition scheme in the BIM; and by utilizing an MR technology, superposing the building structure demolition scheme formed in the BIM to a building entity for performing simulation. According to the 3D scanning technology and MR technology-based building structure demolition method provided by the invention, the steps are reasonable; through simulative analysis, the demolition scheme is optimized; by utilizing visual disclosure of the MR technology, the construction safety is ensured, the construction cycle is controlled, and the construction cost is reduced.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a building structure demolition method based on 3D scanning technology and MR mixed reality technology. Background technique [0002] There are a lot of demolition and modification work in the renovation of existing buildings, and some demolition operations are more dangerous. For example, when dismantling a steel grid with a large span, in order to ensure safety, it is necessary to check the stress of the grid system and the rods in advance. Conduct simulation analysis of the internal force, and formulate a reasonable dismantling sequence and dismantling plan according to the analysis results. [0003] However, due to the early construction time of some buildings, the original design data cannot be queried, and only on-site measurement can be carried out. The traditional measurement method is neither accurate nor time-consuming. Costs are also difficult to cont...

AI Technical Summary

Problems solved by technology

[0003] However, due to the early construction time of some buildings, the original design data cannot be queried, and only on-site measurement can be carried out. The traditional measurement method is neither accurate nor time-consuming. Costs are also more difficult to control

[0004] Moreover, the steel grid frame is a three-dimensional structure with a complex structure. Important contents such as tire frame erection, dismantling sequence, construction requirements and safety precautions are not intuitive if the traditional scheme disclosure method or even construction animation is used to disclose the details.

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