A novel methodology using the CMOEAD algorithm and FLAC3D numerical simulation enhances roadway stability and mitigates water inflow risks in coal mines through optimized grouting and cable designs.
The research presents the optimal design of grouting areas and cable distributions for ensuring roadway stability against water inflow using the CMOEAD algorithm combined with FLAC3D numerical simulations.
The study involves researchers Peng Li, Yinghai Guo, Yinghao Cheng, and Jiamin Zhang, affiliated with various institutions conducting coal mining research.
The findings were submitted for publication and will be published on January 15, 2025.
The optimal designs were validated using the roadway example from the PanEr Coal Mine located in Huanan, China.
The research aims to address significant challenges posed by water influx and roadway deformation, common issues faced during extensive coal mining, ensuring safety and operational effectiveness.
The optimization process employs numerical simulation software FLAC3D to model fluid-mechanical interactions and the constrained multi-objective evolution algorithm (CMOEAD) to identify the most efficient grouting and cable configurations.
“The stability of the roadway was guaranteed, indicating the proposed method is reliable and workable.”
“Grouting is effective for water inrush prevention, and cables are a good choice for reducing roadway deformation.”
“By using the proposed method, the optimal grouting area and cable support were obtained, the optimal design was applied to engineering practice.”
“The determination of the optimal grouting area and cable design is independent of the researcher’s experience, ensuring objectivity.”
The significance of coal mining safety and the risks posed by water inflow are at the forefront of this study. This innovative approach of combining CMOEAD and FLAC3D for optimizing roadway support can revolutionize safety measures.
The challenges of water influx and roadway deformation within coal mines, emphasizing their impacts on mining operations and safety, outline the necessity of this research.
The use of FLAC3D for numerical modeling and how the CMOEAD algorithm optimizes grouting and cable configurations, focusing on parameter selection and simulation processes, will be explained.
Presenting the outcomes of the simulations, the optimized configurations, their effectiveness during practical application, and the relevance of the grouting area and cable lengths determined by the research will indicate the depth of analysis.
Summarizing the main achievements of the research, this study will underline the potential for broader applicability of the proposed methods in complex mining environments and future exploration required for alternative techniques.