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| 1 | 废弃矿井抽水蓄能地下水库构建的基础问题探索显示文摘废弃矿井抽水蓄能地下水库的构建既可有效利用废弃煤矿地下空间,又可实现风能、光能等可再生能源的大规模利用,还可防止废弃矿井地质灾害的发生。全面阐述了废弃矿井抽水蓄能地下水库的概念与构建技术,根据地下水库所处的工程与应力环境,指出了构建废弃矿井抽水蓄能地下水库至少有2个科学问题需要解决:一是水文地质、水化学特征与地下水循环过程对选址的影响;二是围岩体-支护结构的稳定性和密闭性对建设和运行的影响,并全面综述了废弃矿井抽水蓄能地下水库技术框架及研究现状。针对上述问题,结合废弃矿井抽水蓄能地下水库建设的矿井地下空间利用途径、岩体稳定性及地下水库库容、巷道围岩长期变形及支护的时效性与水循环对水源及水质的保障等方面的研究现状,分别从地下水库库容、地下水循环、围岩稳定性与水质因素等4个方面进行研究,揭示了废弃矿井抽水蓄能地下水库构建的关键因素,即准确计算地下水库特征库容,掌握地下空间有效库容的变化规律;良好的水循环既可保证地下水库合理的库容,又能保证水动力过程不影响工程的安全;明确矿井水文地质特征及水库密闭性、地下空间围岩稳定性及应对措施,保证地下水库合理库容及工程安全;实时全空间矿井水品监测、水污染预测与防治,保障地下水水质安全及抽水蓄能设备安全使用的需要。最后以江苏权台煤矿为例,指出在原有矿井基础上改建为矿井抽水蓄能电站需要采取的措施,论证了废弃矿井地下空间作为抽水蓄能的地下水库利用的可行性,为废弃矿井地下水库构建基础问题进行了有益的探索。 | 卞正富 周跃进 曾春林 黄赳 浦海 AXEL Preusse 张保生 HABIL Christoph Bruecker 白海波 孟庆彬 陈宁 | 2021 | 煤炭学报2021，46，10： | 27 |
| 2 | 控制开采速度减缓建筑物损害程度的方法与应用显示文摘为控制开采过程中地表动态变形强度以减缓开采损害强度,把工作面开采视作一个系统,覆岩与地表移动视作系统的输出,开采速度是影响这个系统输出的唯一外界因素。根据地表移动规律,确定了地表动态变形与开采速度的函数关系,开采速度影响地表移动与变形速度与加速度。应用力学定律分析了地表移动导致建筑物产生附加荷载的主要因素是地表水平移动加速度,且地表水平移动加速度与开采速度的平方成正比。研究结果表明:当提高开采速度时,地表水平移动加速度增大,使地表建筑物受到的附加荷载增加,导致建筑物损害程度加剧,为减缓建筑物开采损害程度,控制开采速度是必要的。为工程技术应用提出了基于概率积分法的开采速度优化控制模型与控制方法,开采实例验证了控制开采速度减缓地表建筑物损害程度的有效性。 | 姜岳 PREUSSE Axel SROKA Anton 姜岩 | 2017 | 煤炭科学技术2017，45，9： | 3 |
| 3 | Use of the area of main influence to fix a relevant boundary for mining damages in Germany显示文摘In 2010, the fracking discussion in Germany caused a number of changes in German law, which came into force in 2016.Especially the production of gas had to be regulated.With the legislation amendment, the Subsidence-Area Mining Regulation has been revised, too.The changes expand the compensation of mining damages, especially to the extraction with drilling from the surface and underground storage.Although the Subsidence-Area Mining Regulation has been revised, the area of main influence(subsidence of 10 cm)remains to determine a relevant boundary for mining damages.The determination and prediction of this boundary above caverns are presented in this paper.In addition, further elements of ground movements and their relevance to mine damages are analyzed.The usage of the area of main influence to fix a relevant boundary for mining damages does not correspond to the relevant elements of ground movements.A limit for differences in subsidence(tilt) or horizontal changes in length should be preferred to describe the relevance of mining damages on buildings.Furthermore, this paper outlines the meaning of using the area of main influence to fix a relevant boundary for mining damages. | Denise Müller Axel Preusse | 2018 | International Journal of Mining Science and Technology2018，28，1： | 0 |
| 4 | New opportunities and challenges in surveying underground cavities using photogrammetric methods显示文摘The exploitation of the underground is currently undergoing a major transformation process.Besides mining,alternative ways of utilization are playing an increasingly important role.These alternative utilizations include the storage of gases,the disposal of radioactive wastes,and the implementation of geothermal storage facilities.In addition,more and more mining operations are being shut down,like the German hard coal mining industry in 2018.But the integrity of closed mines must be ensured in the post-mining phase.In order to capture such large and complex structures efficiently and reliably,new surveying techniques are required.A promising approach is the use of photogrammetric methods to generate three-dimensional models of the cavity.Photogrammetry is currently known mainly from aerial photography.It is conceivable to use such methods for underground applications.In recent years,significant progress has been made in the algorithm-based orientation of unstructured image sets.More powerful computer systems and the growing range of unmanned aerial vehicles could enable partially automated capture.However,a number of problems have to be solved for underground imaging techniques.Unfavorable exposure conditions complicate image alignment.Furthermore,the models must be integrated into existing surveying systems with a sufficiently high degree of accuracy.In order to consider the numerous technical aspects,the development of an integrated capture and evaluation approach is necessary.This could make an important contribution to the monitoring of critical cavities of different commodities.Such an approach would also fit into the current digitization trend in the mining industry and provide new opportunities for ground control in particular. | Malte J.M.Gurgel Axel Preusse | 2021 | International Journal of Mining Science and Technology2021，31，1： | 0 |
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