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Structural stability evaluation method of Underground Research Laboratory (URL) for geological disposal of high-level radioactive waste in China
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YUN Long1, 2, WANG Ju1, 2, YANG Xiaoping3, CHEN Su4
World Nuclear Geoscience | 2025, 42(1) : 110 - 122
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World Nuclear Geoscience | 2025, 42(1): 110-122
• RESEARCH ARTICALS •
Structural stability evaluation method of Underground Research Laboratory (URL) for geological disposal of high-level radioactive waste in China
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YUN Long1, 2, WANG Ju1, 2, YANG Xiaoping3, CHEN Su4
Affiliations
  • 1 Beijing Research Institute of Uranium Geology, Beijing 100029, China
  • 2 CAEA Innovation Center for Geological Disposal of High-Level Radioactive Waste, Beijing 100029, China
  • 3 Institute of Geology，China Earthquake Administration, Beijing 100029, China
  • 4 College of Architecture and Civil Engineering，Beijing University of Technology, Beijing 100024, China
Published: 2025-02-08 doi: 10.3969/j.issn.1672-0636.2025.01.009
Outline
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Underground Research Laboratories (URLs) play a crucial role in the siting process of high-level radioactive waste disposal. A study of evaluating the structural stability of Beishan URLs site was carried out, considering regional seismic and geological environment. After over a decade of site stability evaluations，techniques were developed to identify weakly active faults in stable crustal areas and assess their seismic potential. A method for determining design seismic motions was proposed，accounting for the source，propagation path，and local site characteristics. An efficient，high-precision time-domain analysis method for deeply buried，complex URL systems was proposed，along with a rock-structure numerical model to reveal seismic performance and its impact on the structural stability of the Beishan URL. The research determined the seismic fortification intensity for the Beishan URL，provided key seismic input parameters for structural design，and presented the seismic response results, supporting the construction of a site descriptive model (SDM) and site suitability assessment for the disposal repository.

geological disposal of high-level radioactive waste  /  Beishan underground research laboratory (URL)  /  structural stability  /  evaluation method
YUN Long, WANG Ju, YANG Xiaoping, CHEN Su. Structural stability evaluation method of Underground Research Laboratory (URL) for geological disposal of high-level radioactive waste in China[J]. World Nuclear Geoscience, 2025 , 42 (1) : 110 -122 . DOI: 10.3969/j.issn.1672-0636.2025.01.009
Funding
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  • “Analysis and Assessment of Crustal Stability for the Site Selection of Beishan Underground Research Laboratory”(FZ2101-6)
Appendix
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Year 2025 volume 42 Issue 1
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Article Info
doi: 10.3969/j.issn.1672-0636.2025.01.009
  • Receive Date：2025-01-05
  • Online Date：2025-11-07
  • Published：2025-02-08
Article Data
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History
  • Received：2025-01-05
  • Revised：2025-01-31
Funding
“Analysis and Assessment of Crustal Stability for the Site Selection of Beishan Underground Research Laboratory”(FZ2101-6)
Affiliations
    1 Beijing Research Institute of Uranium Geology, Beijing 100029, China
    2 CAEA Innovation Center for Geological Disposal of High-Level Radioactive Waste, Beijing 100029, China
    3 Institute of Geology，China Earthquake Administration, Beijing 100029, China
    4 College of Architecture and Civil Engineering，Beijing University of Technology, Beijing 100024, China
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https://castjournals.cast.org.cn/joweb/hdzkx/EN/10.3969/j.issn.1672-0636.2025.01.009
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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