A Case Study on Integrated Modeling of Spatial Information of a Complex Geological Body

Abstract

To ensure the safety of project construction and reduce development costs, it is necessary to obtain a reasonable design before project initiation and to analyze and study geological information from multiple perspectives to achieve intuitive and effective project planning. Therefore, it is proposed to integrate above- and underground information to realize integrated spatial information expression. Generally, geological body model construction is based on drilling data, but most geological bodies are not simple layered structures, and complex geological phenomena usually occur, such as faults, lenses, and fissures. It is difficult to construct a high-quality geological body model with only limited drilling data. To fully consider existing geological information in complex geological areas with limited geological data information available, profile maps are considered in the modeling process. This article focuses on the geological model construction of a primary school in Shuicheng County, Guizhou Province, using the GoCAD platform. The Structure and Stratigraphy Workflow is applied in three-dimensional geological body structure model establishment, the stratum rock mass is outlined, and the complex geological structure (karst cave) is embedded into the geological surface. The model can be sliced at any angle to accomplish integrated spatial information expression of above- and underground building information combined with the same platform’s geological body to obtain engineering information and analyze future construction problems.

Analysis of Surrounding Rock Pressure of Deep Buried Tunnel considering the Influence of Seepage

“…The excavation radius of the tunnel is R 0 (m), the distance from the center of the tunnel to the outer boundary of the plastic residual zone is R r (m), and the distance from the center of the tunnel to the outer boundary of the plastic softening zone is R p (m). The water pressure of the stable seepage field outside the radius R (m) is the same as the water pressure P i (Pa) outside the original seepage field, and R can be obtained from borehole test [27]. The tunnel support force is P 0 (Pa), the initial in situ stress is σ 0 (Pa), and the side pressure coefficient λ is 1; that is, the horizontal in situ stress is equal to the vertical in situ stress.…”

Study of the Influence of Clay Minerals on the Mechanical and Percolation Properties of Weakly Cemented Rocks

“…Many particular disaster problems have been encountered with the strategic transfer of China's coal resources production center from east to west [1][2][3][4][5][6][7][8][9][10][11]. Weakly cemented rocks have low mechanical strength and poor cementation ability.…”

Determination of Width of Sectional Coal Pillars in the Working Face of Burst-prone Inclined Thick Coal Seams

“…is paper is based on the coal pillar in the sectional fully mechanized working face (4-5)04 in an inclined thick coal seam in Liuhuanggou coal mine of Xinjiang Autonomous Region, China. Based on the rock mass test [19,20], through theoretical calculation [21][22][23], field monitoring [24], and numerical simulation [25], we determined the appropriate width of coal pillars, and this work may provide reference information for determining the sectional coal width of mine wells like the engineering conditions in the Xinjiang area.…”