|Table of Contents|

Modelling method for 3D transparent geology based on BIM and information construction of virtual boring holes(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2025年05期
Page:
171-180
Research Field:
岩土工程
Publishing date:

Info

Title:
Modelling method for 3D transparent geology based on BIM and information construction of virtual boring holes
Author(s):
XIAO Chengzhi1;  QIN Zichao1;  WANG Qingzhou1;  SI Xiaolei2;  SUN Zhijie2
(1. School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China; 2. Caofeidian Suntien Liquefied Natural Gas Co., Ltd., Tangshan 063000, Hebei, China)
Keywords:
transparent geology;  cascade construction;  BIM technology;  virtual boring hole;  spatial interpolation algorithm
PACS:
TU413
DOI:
10.19815/j.jace.2024.05022
Abstract:
In order to demonstrate the practical value of the accuracy, completeness, and transparency of 3D geological model in reflecting geological conditions, a 3D transparent geological modeling method based on BIM and information construction of virtual boring holes was proposed to address the key factors that affect the accuracy and transparency of the geological model in complex geological phenomena, sparse sampling data, and tedious modeling processes. This method proposed a method for collecting geological characteristic parameters by combining the concept of 3D transparent geological model cascade construction and the method of establishing stratigraphic sequences, as well as high-precision perception technology and original exploration drilling data. At the same time, virtual drilling was introduced and Delaunay triangulation algorithm was used to increase the density of drilling data points. Exploration drilling and other raw data were used as data sources, and spatial interpolation algorithm was used to construct the spatial position and feature information of virtual drilling. The results show that this method is based on BIM technology and uses a “point-face-volume” progressive approach to construct geological layers, achieving the automatic construction of three-dimensional transparent geological models. By utilizing the geological information obtained from the exposed strata or local detailed survey during the construction phase, dynamic feedback is used to correct the errors in the three-dimensional geological model information, driving the dynamic reconstruction of the three-dimensional geological model and gradually achieving transparency of the geological conditions in the target area, which can provide useful guidance for the fine construction and information management decision-making of underground engineering.

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Last Update: 2025-09-25