Publications by authors named "Hu Ankui"
Article Synopsis
- A proposed model aims to assess the risk of sudden water influx during tunnel construction in the karst region of southwest China, combining game theory with uncertainty measure theory.
- The model identifies eight risk indicators related to rock solubility, geological structure, surface catchment, and hydrogeological factors, with subjective and objective weights calculated using various methods.
- Tested on the Yanjin Tunnel of the Chongqing-Kunming High-speed Railway, the model showed consistent results with actual water inflow data, proving its effectiveness as a tool for evaluating water surge risks in karst tunnels.
Article Synopsis
- Earth-rock dam failures are the most common type of dam accidents, influenced by a variety of complex factors.
- The study constructed an index system for these failure influences and used advanced models (DEMATEL-ISM and MICMAC) to analyze the relationships and hierarchy among them.
- Key findings reveal that the dam's seismic capacity and flood discharge capacity are critical for ensuring safety during its operation, highlighting the importance of effective management strategies for earth-rock dams.
The construction of underground cavern groups represents a particularly challenging task in current subsurface engineering due to a multitude of variable and often unknown factors, including diverse geological conditions. This study introduces a four-dimensional spatiotemporal model and formulates a dynamic safety information model for these underground systems. Developed using C# and Python, the model integrates the finite element analysis software ABAQUS and Microsoft SQL Server database.
View Article and Find Full Text PDFWhen the Linear Parallel Bond Model (PBM) in Particle Flow Code is used to simulate intact rocks, a basic problem is how to determine the microscopic parameters that control the macroscopic properties of the modeled rocks. After simplifying the microscopic parameters of the PBM model, this study proposes a new method of inverse performance of the regression equations of the macroscopic parameters by the gray absolute correlation combined with regression analysis, which solves the drawbacks of the current manual trial parameter calibration method to a certain extent. When this method is applied to the calibration of the microscopic parameters of the siltstone, the numerical simulation results produce good agreement between the results derived from the finite element software (ABAQUS) both in terms of macroscopic parameters and damage forms.
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