Abstract
This paper presents a statistical prediction of the height of water flowing fractured zone due to coal mining under sea area. Some field measurement methods were used in the Beizao, Liangjia, Wali and Huangxian Coalmines in Shandong Province, China, to investigate the failure process and the maximum height of water flowing fractured zone under different mining and geological conditions. Then, a statistical method has been adopted in this paper for accurately predicting the height of the water flowing fractured zone from the field measurements. The results show that the height of water flowing fractured zone Hf is mainly determined by cutting thickness of seam m in a non-linear relationship, which can be expressed as \( H_{f} = 58.26 \cdot (1 - e^{ - 0.3m} ) \). This result has been successfully used for coal mining decision-making of new panels in the Longkou coalmining area.
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Acknowledgments
The authors want to acknowledge the financial support of the National Natural Science Foundation—Shenhua Group Jointly Funded Project under grant No. 51174286. This research was also supported by A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions and Fundamental Research Funds for the Central Universities (No.2010QNB35) for their financial supports.
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Xu, Z.M., Sui, W.H. (2013). Statistical Prediction of Overburden Failure Due to Coal Mining Under Sea Area. In: Huang, Y., Wu, F., Shi, Z., Ye, B. (eds) New Frontiers in Engineering Geology and the Environment. Springer Geology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31671-5_46
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DOI: https://doi.org/10.1007/978-3-642-31671-5_46
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