A foundation pit external corner anchor rod drilling optimization method based on BIM software

By optimizing the inclination angle and hole position of the anchor bolts at the external corners of the foundation pit using BIM software and Dynamo scripts, the problem of cross collision in the anchor bolt design was solved, improving the safety and stability of the foundation pit support system and meeting the construction quality acceptance standards.

CN115270231BActive Publication Date: 2026-03-27BEIJING UNIV OF TECH
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Patent Information

Application Number
CN202210352562.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-04-05
Publication Date
2026-03-27
Estimated Expiration
2042-04-05

AI Technical Summary

Technical Problem

Existing technologies have a problem of cross collision in the design of anchor bolts at the external corner of the foundation pit, which leads to the loss of the horizontal component of the anchoring force and affects the safety and stability of the foundation pit support system.

Method used

The anchor bolt design was optimized using BIM software combined with Dynamo scripts. The anchor bolt inclination angle and hole position were adjusted automatically to reduce the number of collision points, meet national standards, and ensure that the anchor bolt anchoring force effectively resists soil pressure and water pressure.

Benefits of technology

This effectively reduced the number of anchor bolt collision points at the external corners of the foundation pit, improved the safety and stability of the foundation pit support system, and met the construction quality acceptance standards.

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Abstract

The application discloses a kind of based on BIM software's foundation pit external corner anchor rod drilling optimization method, comprising the following steps: step one, Revit software is opened to make nested parameterized anchor rod family file;Step two, load family file in step one, and make foundation pit external corner support model according to design drawing;Step three, start Dynamo software, open program script one and run, check the collision of each row of anchor rod of foundation pit external corner, and export collision data;Step four, export data after step three, if there is collision, automatically mode program script two is run in Dynamo software, the inclination angle of drilling is optimized, and the inclination data after optimization is exported;Step five, after the maximum value of inclination after step four is optimized, still have collision, automatically mode program script three is run in Dynamo software, drilling hole position is optimized, and the hole position data after optimization is exported.The application can effectively guarantee the safety and stability of foundation pit support system.
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