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Experimental Study on Directional Independence of Multistage Stress Memory in Granite Acoustic Emission
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Chunde MA1, Wenyuan YANG1, Zelin LIU2, Junkang ZHAO3
Mining and Metallurgical Engineering | 2024, 44(5) : 1 - 6
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Mining and Metallurgical Engineering | 2024, 44(5): 1-6
• MINING •
Experimental Study on Directional Independence of Multistage Stress Memory in Granite Acoustic Emission
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Chunde MA1, Wenyuan YANG1, Zelin LIU2, Junkang ZHAO3
Affiliations
  • 1.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
  • 2.School of Civil Engineering, Central South University, Changsha 410075, Hunan, China
  • 3.Institute of Mineral and Geological Exploration, Zijin Mining Group Co., Ltd., Xiamen 361006, Fujian, China
Published: 2024-10-01 doi: 10.3969/j.issn.0253-6099.2024.05.001
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To investigate directional independence of multistage stress memory during progressive cyclic loading of granite under compression with a series of deflection angle, experiments were conducted on cyclic loading and unloading of granite with different deflection angles by using a self-made deflection device. The Kaiser effect (KE) and the incomplete erasion phenomenon (IEP) of the maximum stress in previous multistage cycles after progressive cyclic loading with deflection angles were explored in the experiments. Results show that both KE and IEP in granite exhibit directional independence. The directional independence of KE has a critical angle of 10° and the directional independence of IEP has a critical angle of 12°. With a deflection angle of 12°, the IEP will interfere with the memory of historical maximum stress by KE.

uniaxial compression  /  granite  /  ground stress  /  acoustic emission method  /  Kaiser effect  /  incomplete erasion phenomenon (IEP)  /  loading with deflection  /  multi-stage stress memory  /  mutation point
Chunde MA, Wenyuan YANG, Zelin LIU, Junkang ZHAO. Experimental Study on Directional Independence of Multistage Stress Memory in Granite Acoustic Emission[J]. Mining and Metallurgical Engineering, 2024 , 44 (5) : 1 -6 . DOI: 10.3969/j.issn.0253-6099.2024.05.001
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doi: 10.3969/j.issn.0253-6099.2024.05.001
  • Receive Date：2024-04-09
  • Online Date：2026-03-17
  • Published：2024-10-01
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  • Received：2024-04-09
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Affiliations
    1.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
    2.School of Civil Engineering, Central South University, Changsha 410075, Hunan, China
    3.Institute of Mineral and Geological Exploration, Zijin Mining Group Co., Ltd., Xiamen 361006, Fujian, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2024.05.001
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Citations
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
species (%)
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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