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Application of Core Acoustic Emission into In-Situ Stress Measurement of Zhangbei Energy Storage Reservoir
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Chunde MA1, 2, Zhihai LÜ2, Guanshuang TAN2
Mining and Metallurgical Engineering | 2023, 43(5) : 22 - 25
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Mining and Metallurgical Engineering | 2023, 43(5): 22-25
• MINING •
Application of Core Acoustic Emission into In-Situ Stress Measurement of Zhangbei Energy Storage Reservoir
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Chunde MA1, 2, Zhihai LÜ2, Guanshuang TAN2
Affiliations
  • 1.Advanced Research Center, Central South University, Changsha 410083, Hunan, China
  • 2.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
Published: 2023-10-01 doi: 10.3969/j.issn.0253-6099.2023.05.005
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A new directional core acoustic emission technique was used to measure in-situ stress of the gas storage reservoir construction area of the Zhangbei Comprehensive Energy Project in Hebei Province. Results show that three boreholes buried at depth of 90 m have the corresponding in-situ stress dominated by horizontal structural stress, with the maximum principal stress approximately in the same north-south direction. In addition, the circumferential wave velocity anisotropy analysis method was conducted for verification, and the results show that the maximum principal stress is in a direction consistent with the result obtained from the acoustic emission testing of borehole core, which further verifies the correctness of the measurement by acoustic emission technique for the borehole cores.

in-situ stress  /  borehole core  /  acoustic emission technique  /  circumferential wave velocity anisotropy analysis method
Chunde MA, Zhihai LÜ, Guanshuang TAN. Application of Core Acoustic Emission into In-Situ Stress Measurement of Zhangbei Energy Storage Reservoir[J]. Mining and Metallurgical Engineering, 2023 , 43 (5) : 22 -25 . DOI: 10.3969/j.issn.0253-6099.2023.05.005
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.05.005
  • Receive Date：2023-04-27
  • Online Date：2026-03-05
  • Published：2023-10-01
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  • Received：2023-04-27
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Affiliations
    1.Advanced Research Center, Central South University, Changsha 410083, Hunan, China
    2.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
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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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