煤田地质与勘探2025，Vol.53Issue(7)：1-11,11.DOI:10.12363/issn.1001-1986.25.03.0199
基于地层承载力约束的"煤-水"协调开采理论与工程实践
Theory and engineering practice of coal-water coordinated mining based on constraints of formation bearing capacity
摘要
Abstract
[Background]The high-intensity mining of coal resources in the Yushen mining area has caused negative en-vironmental effects and water disasters on coal seam roofs,seriously restricting the sustainable development of the area.[Methods and Results]Based on a summary of previous research results on the mitigation of the impacts of coal min-ing on groundwater resources and surface ecosystem,this study analyzed the contradiction between coal mining and the protection of the fragile ecosystem in the Yushen mining area in Shaanxi Province through theoretical analysis,field in-vestigation,and data statistics.Then,it systematically illustrated the concept of the formation bearing capacity and its significance for the ecological environment.A formula for calculating the height of water flowing fractured zones that was applicable to ecologically fragile mining areas in western China was determined through fitting using mathematical statistics.Dominant factors controlling the formation structure damage were identified using the theory of simply sup-ported beams and hydrogeological theories.Finally,based on the theory of coal-water coordinated development,this study devised the architecture of highly beneficial,coordinated coal mining technology based on the formation bearing capacity and developed the corresponding mining philosophy.This technology was applied to mining face 122107 in the Caojiatan Coal Mine.After mining along this mining face by gradually increasing the mining height based on blocks and segments,the overburden of the roof showed a stepped broken morphology generally.The water inflow along the min-ing face fluctuated around 170 m3/h throughout the mining process,not exceeding the drainage capacity of the mining face.[Conclusions]The results indicate that it is necessary to take the formation bearing capacity as a core evaluation index for ecologically fragile mining areas.By controlling the dynamic balance between the mining technique and the formation bearing capacity,the coordination between resource development and ecological protection can be achieved.This mining approach can ensure highly beneficial coal resource mining while also addressing the contradiction between coal mining and the protection of the fragile ecosystem.The results of this study will provide a theoretical and technical reference for other arid and semi-arid mining areas in western China.关键词
榆神矿区/"煤-水"双资源/地层承载力/导水裂隙带/开采技术框架Key words
Yushen mining area/coal-water dual resources/formation bearing capacity/water flowing fractured zone/framework of mining technology分类
矿业与冶金引用本文复制引用
庞振忠,王学军,李飞帆,曾一凡,韩柯尧,武强,刘守强,华照来,赵刚毅,张帅,杨虎雄..基于地层承载力约束的"煤-水"协调开采理论与工程实践[J].煤田地质与勘探,2025,53(7):1-11,11.基金项目
国家重点研发计划项目(2021YFC2902004,2023YFC3012102) （2021YFC2902004,2023YFC3012102）
国家自然科学基金项目(42027801,42072284,42372297) （42027801,42072284,42372297）
