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<p>The safe management and long-term disposal of high-level radioactive waste are crucial for safeguarding humanity and the environment from radioactive hazards and are regarded as a significant challenge for the global nuclear industry. This paper analyzes site selection criteria related to geological investigations in the cases of Sweden, Finland, Switzerland and France, which have either selected or proposed deep geological disposal sites. It reviews the investigation parameters and methods defined according to these criteria and comprehensively analyzes the rationale and importance behind deriving these parameters. Based on the analysis of international cases related to geological site selection criteria and evaluation factors, this paper proposes geological performance verification factors and items tailored to the geological characteristics of Korea. The geological performance factors of the natural barrier are categorized into nine detailed fields: rock and mineralogy, faults and discontinuities, seismicity, Quaternary geology, hydrogeology, hydrochemistry, thermal properties and rock mechanics. These factors are suggested by reflecting the geological characteristics of Korea, grounded in the case studies of leading countries in disposal research and the background and rationale for each verification item are described.</p>

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A review of site selection criteria and investigation factors for HLW disposal: insights from leading countries and proposals for Korea

  • 期刊论文

  • 发表日期：

    2025年3月14日

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  • Taeyoo Na,
  • Byung-Gon Chae,
  • Min-Jun Kim,
  • Eui-Seob Park,
  • Wook-Hyun Nahm,
  • Sung Pil Hyun,
  • Junghae Choi

摘要

The safe management and long-term disposal of high-level radioactive waste are crucial for safeguarding humanity and the environment from radioactive hazards and are regarded as a significant challenge for the global nuclear industry. This paper analyzes site selection criteria related to geological investigations in the cases of Sweden, Finland, Switzerland and France, which have either selected or proposed deep geological disposal sites. It reviews the investigation parameters and methods defined according to these criteria and comprehensively analyzes the rationale and importance behind deriving these parameters. Based on the analysis of international cases related to geological site selection criteria and evaluation factors, this paper proposes geological performance verification factors and items tailored to the geological characteristics of Korea. The geological performance factors of the natural barrier are categorized into nine detailed fields: rock and mineralogy, faults and discontinuities, seismicity, Quaternary geology, hydrogeology, hydrochemistry, thermal properties and rock mechanics. These factors are suggested by reflecting the geological characteristics of Korea, grounded in the case studies of leading countries in disposal research and the background and rationale for each verification item are described.