Deformation and failure laws and acoustic emission characteristics of low‑strength molybdenum ore

• Autorzy: Zhao Kang , Yang Jian , Song Yufeng , Wang Qing , Zhao Kangqi , Ji Yongbo

Identyfikatory

DOI

10.1007/s43452-023-00618-6

• Języki publikacji: EN

Abstrakty

EN

Uniaxial compression acoustic emission (AE) tests were conducted on low-strength molybdenum ore (LSMO) to investigate its deformation and failure laws and AE characteristics. The stress-strain curve and AE parameter data of LSMOs were obtained by uniaxial compression AE test, and the relationships of stress, AE parameter, amplitude fractal dimension, and AE b value with loading time were analyzed accordingly to obtain the general law of their deformation and failure and a series of AE characteristics. The research shows that under the action of uniaxial stress, the failure mode of LSMOs mainly shows brittle failure, and the failure form mainly shows monoclinic shear failure. The stress-strain curve shows obvious plastic-elastic deformation, the plastic deformation time is long, and the division of each stage of deformation failure is not obvious. The simultaneous occurrence of large surges in ringing count and energy to higher orders of magnitude can be used as precursor information for failure destabilization of LSMOs. The evolution process of AE parameters of LSMO corresponds well with its deformation and failure process, and the variation pattern of ringing counts and energy shows a high consistency. With increasing stress, the amplitude correlation dimension and b value are mainly in the form of "falling-rising-falling-fluctuating". The results of the study can provide some theoretical basis for the assessment of the stability of the mine surrounding rock and the determination of a reasonable and effective reinforcement plan.

Słowa kluczowe

EN

low strength molybdenum ore; uniaxial compression; stress strain; fractal dimension; acoustic emission

PL

ruda molibdenu; kompresja jednoosiowa; wymiar fraktalny; emisja akustyczna

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2023
• Tom: Vol. 23, no. 2
• Strony: art. no. e74, 2023
• Opis fizyczny: Bibliogr. 42 poz., rys., tab., wykr.

Twórcy

autor

Zhao Kang

• Solids Waste and Chemicals Management Center, Ministry of Ecology and Environment, Beijing 100029, China
• School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
• Lingbao Jinyuan Mining Company Limited, Lingbao 472500, Henan, China

autor

Yang Jian

• School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China

autor

Song Yufeng

• School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China

autor

Wang Qing

• School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China

autor

Zhao Kangqi

• School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China

autor

Ji Yongbo

• Lingbao Jinyuan Mining Company Limited, Lingbao 472500, Henan, China

Bibliografia

• 1. Zhao K, Yu X, Zhu ST, Yan YJ, Zhou Y, He ZW, Song YF, Huang M. Acoustic emission fractal characteristics and mechanical damage mechanism of cemented paste backfill prepared with tantalum niobium mine tailings. Constr Build Mater. 2020;258:119720.
• 2. Liu L, Xin J, Qi CC, Jia HL, Song KI. Experimental investigation of mechanical, hydration, microstructure and electrical properties of cemented paste backfill. Constr Build Mater. 2020;263:120137.
• 3. Zhou Y, Yan YJ, Zhao K, Yu X, Song YF, Wang JQ, Suo TY. Study of the effect of loading modes on the acoustic emission fractal and damage characteristics of cemented paste backfill. Constr Build Mater. 2021;277:122311.
• 4. Wu XZ, Liu XX, Liang ZZ, You X, Yu M. Experimental study of fractal dimension of AE serials of different rocks under uniaxial compression. Rock Soil Mech. 2012;33(12):3561-9.
• 5. Li SL, Yin XG, Wang YJ, Fang HY. Studies on acoustic emission characteristics of uniaxial compressive rock failure. Chin J Rock Mech Eng. 2004;23(15):2499-503.
• 6. Zhang R, Xie HP, Liu JF, Deng JH, Peng Q. Experimental study on acoustic emission characteristics of rock failure under uniaxial multilevel loadings. Chin J Rock Mech Eng. 2006;25(12):2584-8.
• 7. Liu BX, Huang JL, Wang ZY, Liu L. Study on damage evolution and acoustic emission character of coal-rock under uniaxial compression. Chin J Rock Mech Eng. 2009;28(S1):3234-8.
• 8. Wang ZH, Wang JC, Yang SL, Li LH, Li M. Failure behaviour and acoustic emission characteristics of different rocks under uniaxial compression. J Geophys Eng. 2020;17(1):76-88.
• 9. Zhang H, Wang ZZ, Song ZL, Zhang YZ, Wang TT, Zhao WC. Acoustic emission characteristics of different brittle rocks and its application in brittleness evaluation. Geomech Geophys Geo-Energy Geo-Resourc. 2021;7(2):1-14.
• 10. Zhao K, Yu X, Zhou Y, Wang Q, Wang JQ, Hao JL. Energy evolution of brittle granite under different loading rates. Int J Rock Mech Min Sci. 2020;132:104392.
• 11. Zhao K, Yu X, Zhu ST, Zhou Y, Wang Q, Wang JQ. Acoustic emission investigation of cemented paste backfill prepared with tantalum-niobium tailings. Constr Build Mater. 2020;237:117523.
• 12. Zhao K, Huang M, Yan YJ, Wan WL, Ning FJ, Zhou Y, He ZW. Mechanical properties and synergistic deformation characteristics of tailings cemented filling assembled material body with different cement-tailings ratios. Chin J Rock Mech Eng. 2021;40(S1):2781-9.
• 13. Cao AY, Jing GC, Ding YL, Liu S. Mining-induced static and dynamic loading rate effect on rock damage and acoustic emission characteristic under uniaxial compression. Saf Sci. 2019;116:86-96.
• 14. Liu B, Zhao YX, Zhang H, Yuan Y. Acoustic emission characteristics of coal under uniaxial compression and Brazilian splitting. J Min Saf Eng. 2020;37(3):613-21.
• 15. Liu XL, Liu Z, Li XB, Gong FQ, Du K. Experimental study on the effect of strain rate on rock acoustic emission characteristics. Int J Rock Mech Min Sci. 2020;133:104420.
• 16. Chen HR, Di QY, Zhang WX, Li Y, Niu JR. Effects of bedding orientation on the failure pattern and acoustic emission activity of shale under uniaxial compression. Geomech Geophys Geo-Energy Geo-Resourc. 2021;7(1):1-17.
• 17. Li XM, Zhang DM, Yu G, Li HT, Xiao WJ. Research on damage and acoustic emission properties of rock under uniaxial compression. Geotech Geol Eng. 2021;39(5):3549-62.
• 18. Wang J, Fu JX, Song WD, Zhang YF, Wu S. Acoustic emission characteristics and damage evolution process of layered cemented tailings backfill under uniaxial compression. Constr Build Mater. 2021;295:123663.
• 19. Biancolini ME, Brutti C, Paparo G, Zanini A. Fatigue cracks nucleation on steel, acoustic emission and fractal analysis. Int J Fatigue. 2006;28(12):1820-5.
• 20. Jiang YD, Xian XF, Yin GZ, Li XH. Acoustic emission, fractal and chaos characters in rock stress-strain procedure. Rock Soil Mech. 2010;31(8):2413-8.
• 21. Pei JL, Liu JF, Zhang R, Yi XG. Fractal study on spatial distribution of acoustic emission events of granite specimens under uniaxial compression. J Sichuan Univ (Eng Sci Edition). 2010;42(6):51-5.
• 22. Rimpault X, Chatelain JF, Klemberg-Sapieha JE, Balazinski M. Fractal analysis of cutting force and acoustic emission signals during CFRP machining. Procedia Cirp. 2016;46:143-6.
• 23. Kong XG, Wang EY, Hu SB, Shen RX, Li XL, Zhan TQ. Fractal characteristics and acoustic emission of coal containing methane in triaxial compression failure. J Appl Geophys. 2016;124:139-47.
• 24. Zhang X, Fu XM, Shen Z, Huang XJ. Study on acoustic emission and fractal characteristics of sandstone under uniaxial compression. China Measurement & Test. 2017;43(02):13-9.
• 25. Zha ES, Zhang R, Zhang ZT, Ai T, Ren L, Zhang ZP, Liu Y, Lou CD. Acoustic emission characteristics and damage evolution of rock under different loading modes. Energies. 2020;13(14):3649.
• 26. Sagasta F, Zitto ME, Piotrkowski R, Benavent-Climent A, Suarez E, Gallego A. Acoustic emission energy b-value for local damage evaluation in reinforced concrete structures subjected to seismic loadings. Mech Syst Signal Process. 2018;102:262-77.
• 27. Niu Y, Zhou XP, Zhou LS. Fracture damage prediction in fissured red sandstone under uniaxial compression: acoustic emission b-value analysis. Fatigue Fract Eng Mater Struct. 2020;43(1):175-90.
• 28. Su XB, Ji HG, Quan DL, Geng JM, Zhang GG, Gao Y. Experimental study on the relationship between spatial variability of rock strain and fractal dimension of acoustic emission amplitude under Brazilian splitting condition. J China Coal Soc. 2020;45(S1):239-46.
• 29. Luo ZZ. Application and development of molybdenum. China Molybdenum Industr. 2003;27(02):5-8.
• 30. Huang F, Chen YC, Wang DH, Yuan ZX, Chen ZH. A discussion on the major molybdenum ore concentration areas in China and their resource potential. Geol China. 2011;38(5):1111-34.
• 31. Li Q, Hou J, Wang MY, Ma WQ, Liu H, Han T, Wang SJ. Experimental investigations on mechanical characteristics of weakly cemented sandy mudstone under progressive failure. J China Coal Soc. 2016;41(S2):385-92.
• 32. Shen YJ, Yang GS, Wang M, Jia HL, Zhang HM, Gao XC. Experiments on the damage characteristics and fracture process of single-joint quasi-sandstone under the cyclic freezing-thawing and cyclic loading. Chin J Rock Mech Eng. 2018;37(3):709-17.
• 33. Wang YL, Tang JX, Dai ZY, Yi T, Li XY. Effect of fracture number and aperture on mechanical properties and failure modes of low-strength rock mass. J China Coal Soc. 2018;43(12):3338-47.
• 34. Li HM, Wang KL, Li HG, Liu C. Study on mechanical and acoustic emission characteristics of weakly cementation sandstone in Shendong coal field. J Min Saf Eng. 2018;35(04):843-51.
• 35. Meng QB, Wang J, Han LJ, Sun W, Qiao WG, Wang G. Physical and mechanical properties and constitutive model of very weakly cemented rock. Rock Soil Mech. 2020;41(S1):19-29.
• 36. Song ZY, Ji HG, Zeng P, Sun LH, Tan J. Phase-like transition characteristics of uniaxial compression failure of weakly cemented coarse-grained sandstone in western china. J Min Saf Eng. 2020;37(05):1027-36.
• 37. Cheng AP, Shu PF, Zhang YS, Wang P, Wang MX. Acoustic emission characteristics and damage constitution of backfill-surrounding rock combination. J Min Saf Eng. 2020;37(06):1238-45.
• 38. Liu H, Lin JH, Yang GS, Yun YH, Zhang HM, Liang B, Zhang Y. Acoustic emission test on tensile damage characteristics of sandstone under freeze-thaw cycle. J Min Saf Eng. 2021;38(04):830-9.
• 39. Grassberger P, Procaccia I. Measuring the strangeness of strange attractors. Physica D. 1983;9(1-2):189-208.
• 40. Gutenber B, Richter CF. Frequency earthquakes in California. Bull Seismol Soc Am. 1944;34(4):185-8.
• 41. Liu XL, Liu Z, Li XB, Han MS. Acoustic emission b-values of limestone under uniaxial compression and Brazilian splitting loads. Rock Soil Mech. 2019;40(S1):267-74.
• 42. Zeng ZW, Ma J, Liu LQ, Liu TC. AE b-value dynamic features during rockmass fracturing and their significances. Seismol Geol. 1995;17(1):7-12.

Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).