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Volume 15
Issue 18
10.3390/app15189998
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Simulation Study on Optimization of Structural Parameters of Stope Based on Ground Pressure Control

by
Yun Lin
1,
Rui Zhou
1,
Keping Zhou
1,
Jielin Li
1,*,
Chengye Yang
1,
Chaoyang Que
2,
Fengfeng Wu
2 and
Yigai Xiao
3
1
School of Resources and Safety Engineering, Central South University, Changsha 410083, China
2
Zijin Mining Group Company Limited, Longyan 364200, China
3
State Key Laboratory of Metal Mine Safety and Health, Ma’anshan 243000, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2025, 15(18), 9998; https://doi.org/10.3390/app15189998
Submission received: 26 May 2025 / Revised: 13 July 2025 / Accepted: 11 September 2025 / Published: 12 September 2025
(This article belongs to the Special Issue Advanced Technology in Geotechnical Engineering)
Versions Notes

Abstract

Aiming at the problem of surrounding rock instability easily induced by high ground stress in the process of deep-well mining, the optimization of stope structure parameters is studied by combining numerical simulation with theoretical analysis. Firstly, the physical and mechanical properties of rock mass are fully understood using laboratory experiments. Then, six kinds of stope structure parameter schemes are preliminarily designed using the Matthews chart method. According to the geological conditions of the Ruihai Gold Mine, a large three-dimensional numerical model is established. Based on FLAC3D, the follow-filling continuous mining method is used to simulate the six schemes. By analyzing the influence and law of different stope structures on the stress, displacement, and plastic zone evolution of surrounding rock, the most effective mining strategy to balance the safety and economic benefits of the target area is determined. In the area with good rock mass quality, the optimal stope dimensions are 20 m in height, 15 m in width, and 80 m in length. In the rock mass area with fault crossing or relatively developed joint fissures, a reduced configuration of 20 m height, 10 m width, and 70 m length is recommended to enhance stability and stress management. Finally, comparative analysis of mining methods confirms that the follow-filling continuous mining method effectively mitigates ground pressure, offering a theoretical foundation for the safe and efficient extraction of deep mineral resources.
Keywords: stope structure parameters; numerical simulation; ground pressure control; underground mine stope structure parameters; numerical simulation; ground pressure control; underground mine

Share and Cite

MDPI and ACS Style

Lin, Y.; Zhou, R.; Zhou, K.; Li, J.; Yang, C.; Que, C.; Wu, F.; Xiao, Y. Simulation Study on Optimization of Structural Parameters of Stope Based on Ground Pressure Control. Appl. Sci. 2025, 15, 9998. https://doi.org/10.3390/app15189998

AMA Style

Lin Y, Zhou R, Zhou K, Li J, Yang C, Que C, Wu F, Xiao Y. Simulation Study on Optimization of Structural Parameters of Stope Based on Ground Pressure Control. Applied Sciences. 2025; 15(18):9998. https://doi.org/10.3390/app15189998

Chicago/Turabian Style

Lin, Yun, Rui Zhou, Keping Zhou, Jielin Li, Chengye Yang, Chaoyang Que, Fengfeng Wu, and Yigai Xiao. 2025. "Simulation Study on Optimization of Structural Parameters of Stope Based on Ground Pressure Control" Applied Sciences 15, no. 18: 9998. https://doi.org/10.3390/app15189998

APA Style

Lin, Y., Zhou, R., Zhou, K., Li, J., Yang, C., Que, C., Wu, F., & Xiao, Y. (2025). Simulation Study on Optimization of Structural Parameters of Stope Based on Ground Pressure Control. Applied Sciences, 15(18), 9998. https://doi.org/10.3390/app15189998

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