Construction collision prediction and analysis method in three-dimensional scene

By constructing collision bodies and envelopes in a twin digital factory for pre-collision judgment, the problem of inaccurate construction risk prediction in 3D simulation scenarios is solved, enabling rapid and accurate construction risk prediction and scheme generation, while reducing computational load and construction costs.

CN122389138APending Publication Date: 2026-07-14DMS CORP
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Patent Information

Application Number
CN202610403963.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-11-17
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing technologies cannot accurately determine the relationship between construction plans and underground pipelines in 3D simulation scenarios, resulting in inaccurate construction risk predictions and a large amount of calculation, making it impossible to quickly generate construction plans, thus increasing construction costs and time.

Method used

By constructing collision bodies and envelopes in a digital twin factory, pre-collision assessment of construction risks can be performed, simplifying calculations and accurately displaying the location of construction risks.

Benefits of technology

It enables rapid and accurate prediction of construction risks, reduces calculation time and data processing volume, and improves the feasibility and efficiency of construction plans.

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Abstract

The invention discloses a construction collision prediction and analysis method in a three-dimensional scene, and belongs to the technical field of underground construction detection. The method comprises the following steps: acquiring three-dimensional simulation scene data, correcting an error caused by land subsidence by taking a height-unchanged building as a reference, determining the specific depth of an underground component, and constructing a collision body; constructing an envelope body based on the longest side length of the invisible three-dimensional model component; for the pipeline exceeding the construction area, the sphere section of the real construction range is used for cutting the envelope body to reduce the analysis range; dynamically sectioning a collision body into a plurality of collision elements by using a specified distance unit, and carrying out pre-collision and point-by-point collision calculation on the collision elements and the screened envelope body to obtain an intersected point set; finally, responding to a terminal instruction, and dynamically displaying the construction risk position in a three-dimensional mode. According to the method, ground error correction, precise pipeline cutting and dynamic sectioning are combined, massive redundant data are eliminated, and the precision and analysis efficiency of construction collision prediction in the complex underground environment are remarkably improved.
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