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Corresponding Author

汪来，男，博士研究生.E-mail：[email protected]

Abstract

A framework for the visualization of three-dimensional (3D) tunnel geological models based on virtual reality (VR) technique was proposed to enhance geological interpretation by providing users such as tunnel engineers and owners with immersive experiences. Firstly, a 3D geological model was built by adopting the indicator Kriging method based on field borehole data. Then, the tunnel structure was modeled by employing the Blender software, and Boolean operations were performed with the built geological model to generate Unity 3D engine-compatible FBX files. Finally, the built geological model was imported into the Unity 3D engine, and VR visualization was realized by adopting the HTC Vive Pro device. The developed VR framework includes three core sub-modules:a movement module, an interaction module, and a geological information display module. The framework was applied to a shield tunnel project in Changsha, and the results show that the system provides users with immersive experiences of 3D images of tunnel surrounding rock, which enables users ’ comprehensive exploration of the geological conditions of tunnel surrounding rock in all directions, thus enhancing interpretation of 3D geological conditions of tunnel surrounding rock. The research results offer a new technical approach for geological condition assessment and engineering decision-making during shield tunnel construction.

Publication Date

10-29-2026

DOI

10.14048/j.issn.1671-2579.2026.05.022

First Page

213

Last Page

221

Submission Date

October 2026

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