Abstract
With the depth and intensity of coal mining increasing, in situ stress plays more and more important roles in the surrounding rock control. This paper establishes a theoretical model for the in situ stress inversion problem, making use of multi-objective optimization method, and proposes an integrated stress analysis method, in which geo-mechanical method, finite element method, computer technology are adopted. This study method can acquire the magnitudes and directions of coalmine ground stresses via some discrete measured data, considering the basic influencing factors such as the folds and faults. One coalfield as the example of Huainan coalmine has been studied, and the results indicate that the relative errors are less than 10 %, which can mostly meet the requirement of the mining application. Then, the distribution of horizontal stresses has been predicted, which can provide an important reference for the stability design of mine openings, as well as the type and amount of ground support needed to maintain a safe working environment for coal miners.
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Liu, Q., Hua, X., Yang, K. (2013). Numerical Research on Coal Mine Ground Stress Field Based on Multi-Objective Optimization Method. In: Yin, Z., Pan, L., Fang, X. (eds) Proceedings of The Eighth International Conference on Bio-Inspired Computing: Theories and Applications (BIC-TA), 2013. Advances in Intelligent Systems and Computing, vol 212. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37502-6_94
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DOI: https://doi.org/10.1007/978-3-642-37502-6_94
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