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Acoustic Emission Characteristics of Cementitious Material with Different Cement-Tailing Ratio
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Kang ZHAO1, 2, 3, Zhiwei HE1, Fujin NING1, Yun ZHOU1, Yajing YAN1, Yanlong WANG3, Junqiang WANG3
Journal of the Chinese Ceramic Society | 2021, 49(11) : 2462 - 2469
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Journal of the Chinese Ceramic Society | 2021, 49(11): 2462-2469
• Research Article •
Acoustic Emission Characteristics of Cementitious Material with Different Cement-Tailing Ratio
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Kang ZHAO1, 2, 3, Zhiwei HE1, Fujin NING1, Yun ZHOU1, Yajing YAN1, Yanlong WANG3, Junqiang WANG3
Affiliations
  • 1.School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
  • 2.Solids Waste and Chemicals Management Center, Ministry of Ecology and Environment, Beijing 100029, China
  • 3.Lingbao Jinyuan Mining Company Limited, Lingbao 472500, Henan, China

    • ZHAO Kang (1980-), male, Ph. D., Professor. E-mail:

About Author:

ZHAO Kang (1980-), male, Ph. D., Professor. E-mail:

Published: 2021-11-20 doi: 10.14062/j.issn.0454-5648.20210101
Outline
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As a multi-phase composite cement-based material, filling body is widely used in goaf filling. Therefore, the acoustic emission characteristics and material fracture evolution of the combined backfill with different cement-tailing ratios under compression were investigated via uniaxial compression acoustic emission (AE) tests to clarify the failure law of the backfill under the action of overburden. The results show that the proportion of tailings has an effect on the acoustic emission characteristics of the composite backfill. During the failure process, the acoustic emission characteristics of the composite backfill are dominated by cold joints and weak surfaces, and the stress is 79%-88% in the specimen. At the peak stress, the acoustic emission parameters show a downward trend. Before the stress peak, the AE energy fluctuates violently, and the b value increases steadily. After the stress peak, the AE energy decreases, and the b value increases rapidly and fluctuates violently. The evolution of acoustic emission parameters can be used to predict the damage of the backfill.

cement-based material  /  cracks evolution  /  cementing material combination  /  acoustic emission
赵康, 何志伟, 宁富金, 周昀, 严雅静, 王彦龙, 王军强. 不同灰砂配比胶结材料组合体声发射特性. 硅酸盐学报, 2021 , 49 (11) : 2462 -2469 . DOI: 10.14062/j.issn.0454-5648.20210101
Kang ZHAO, Zhiwei HE, Fujin NING, Yun ZHOU, Yajing YAN, Yanlong WANG, Junqiang WANG. Acoustic Emission Characteristics of Cementitious Material with Different Cement-Tailing Ratio[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (11) : 2462 -2469 . DOI: 10.14062/j.issn.0454-5648.20210101
Appendix
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Year 2021 volume 49 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20210101
  • Receive Date：2021-02-02
  • Online Date：2026-10-30
  • Published：2021-11-20
Article Data
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History
  • Received：2021-02-02
  • Revised：2021-02-21
Funding
Affiliations
    1.School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
    2.Solids Waste and Chemicals Management Center, Ministry of Ecology and Environment, Beijing 100029, China
    3.Lingbao Jinyuan Mining Company Limited, Lingbao 472500, Henan, 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
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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