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Stability analysis of deep coal mine main roadways for pumped hydropower lower reservoir storage

机译：抽水蓄能电站下煤矿深井主巷道稳定性分析。

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摘要

A grid compatible integration of fluctuating renewable energy from high capacity wind and solarrnenergy farms to electricity systems requires large-scale energy storage methods and technologies. Currentlyrnwidespread large-scale electricity storage installed is reservoir-based hydropower and Pumped HydropowerrnEnergy Storage (PHES). Large storage volumes are necessary to deal with the relatively low volumetric storagerndensity property of PHES plants. Investigations are made to benefit from the large volumetric storage potentialrnof deep coal mine openings. Especially, main roadways of active and some closed hard coal mines are availablernand may be used as large lower reservoir volumetric storage openings for PHES plants. This paper address somernbasic rock engineering and stability issues associated with PHES projects in deep hard coal mines. Evaluationsrnare made for safe and effective usage of the underground coal mine openings as PHES lower reservoir storagernvolumes.
机译：从高容量的风能和太阳能发电场到电力系统的波动兼容可再生能源的网格兼容集成需要大规模的能量存储方法和技术。当前，已安装的，分布广泛的大型电力存储是基于水库的水力发电和抽水式水力发电（PHES）。为了应对PHES植物相对较低的体积存储密度，必须有较大的存储量。已经进行了研究，以受益于深部煤矿洞口的巨大储量潜力。特别是，有活跃的煤矿和一些封闭的硬煤矿的主要巷道可供使用，并且可用作PHES工厂的大型下层储层容积储藏口。本文讨论了与深部硬煤矿中的PHES项目相关的一些基础岩石工程和稳定性问题。随着PHES降低了储层的储量，对安全有效地利用地下煤矿井口进行了评估。

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  • 来源
  • 会议地点 Wroclaw(PL)
  • 作者

    A. ?zarslan; H.Y. Ayd?ner; E. K?ken; M. Alber;

  • 作者单位

    Mining Engineering, Bülent Ecevit University, Turkey;

    Mining Engineering, Bülent Ecevit University, Turkey;

    Mining Engineering, Bülent Ecevit University, Turkey;

    Engineering Geology/Rock Engineering, Ruhr-University Bochum, Germany;

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