Abstract
To investigate the shear failure mechanism and precursory characteristics of jointed rocks under cyclic disturbances, conventional and disturbed shear tests were conducted on jointed granite under different stress conditions. The effects of the disturbance and normal stress on evolution of characteristic parameters such as AE energy rate, energy release rate, rise time/amplitude–average frequency (RA-AF), and b-value during shear fracture process are discussed. The research results show that as the normal stress increases, the proportion of AE events with low AF and high RA increases, indicating an increase in the shear contribution. Compared with conventional shear tests, frequent disturbances promote the formation of secondary cracks near the main crack, thus forming a surface-shedding zone. In addition, the disturbance will induce the jointed rocks to exhibit the shear fracture weakening effect, which reduces its resistance to deformation and load. Before shear fracture failure, the jointed granite shows precursors including an obvious AE quiet period, accelerated energy release, and constant reduction of b-value. The precursors of shear fracture failure under normal disturbances exhibit the following significant differences from conventional shear tests: the AE quiet period has a shorter duration and is relatively unquiet; the accelerated release of AE energy is more significant; and the descent stage of the AE b-value starts earlier. The research results are of important significance for identifying fracture failure precursors of deep jointed rocks.
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Data availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
References
Bahaaddini M, Hagan P, Mitra R, Hebblewhite BK (2016) Numerical study of the mechanical behavior of nonpersistent jointed rock masses. Int J Geomech 16(1):0000510. https://doi.org/10.1155/2019/4361458
Chen J, Zhou H, Zeng ZQ, Lu JJ (2020a) Macro- and microstructural characteristics of the tension-shear and compression-shear fracture of granite. Rock Mech Rock Eng 53:201–209. https://doi.org/10.1007/s00603-019-01896-4
Chen YD, Zhao ZH (2020b) Correlation between shear induced asperity degradation and acoustic emission energy in single granite fracture. Eng Fract Mech 235:107184. https://doi.org/10.1016/j.engfracmech.2020.107184
Cui GJ, Zhang CQ, Zhou H, Lu JJ, Gao Y, Hu MM, Hu DW (2022) Development and application of multifunctional shear test apparatus for rock discontinuity under dynamic disturbance loading. Rock Soil Mech 43(06):1727–1737. https://doi.org/10.16285/j.rsm.2021.1592
Dang WG, Konietzky H, Frühwirt T (2016) Direct shear behavior of a plane joint under dynamic normal load (DNL) conditions. Eng Geol 213:133–141. https://doi.org/10.1016/j.enggeo.2016.08.016
Dong LJ, Chen YC, Sun DY, Zhang YH (2021) Implications for rock instability precursors and principal stress direction from rock acoustic experiments. Int J Min Sci Tech 31(5):789–798. https://doi.org/10.1016/j.ijmst.2021.06.006
Du K, Li XF, Tao M, Wang SF (2020) Experimental study on acoustic emission(AE) characteristics and crack classification during rock fracture in several basic lab tests. Int J Rock Mech Min Sci 133:104411. https://doi.org/10.1016/j.ijrmms.2020.104411
Farhidzadeh A, Salamone S, Singla P (2013) A probabilistic approach for damage identification and crack mode classification in reinforced concrete structures. J Intel Mat Syst Str 24(14):1722–1735. https://doi.org/10.1177/1045389X13484101
Gong HL, Luo Y, Xu K, Huang JH, Wang G, Li XP (2022) Failure behaviors of fractured granite during loading and unloading under high confining pressure based on acoustic emission multi-parameter analysis. Theor Appl Fract Mech 121:103442. https://doi.org/10.1016/j.tafmec.2022.103442
Gong HL, Wang G, Luo Y, Li XP, Liu TT, Song LB, Wang XK (2023) Shear fracture behaviors and acoustic emission characteristics of granite with discontinuous joints under combinations of normal static loads and dynamic disturbances. Theor Appl Fract Mech 125:103923. https://doi.org/10.1016/j.tafmec.2023.103923
Han GS, Jing HW, Jiang YJ, Liu RC, Wu JY (2020) Effect of cyclic loading on the shear behaviours of both unfilled and infilled rough rock joints under constant normal stiffness conditions. Rock Mech Rock Eng 53(1):31–57. https://doi.org/10.1007/s00603-019-01866-w
Hwang JH, Kim HT, Kim YJ, Nam HS, Kim JW (2020) Crack tip fields at crack initiation and growth under monotonic and large amplitude cyclic loading: experimental and FE analyses. Int J Fatigue 141:105889. https://doi.org/10.1016/j.ijfatigue.2020.105889
Jafari MK, Hosseini KA, Pellet F, Boulon M, Buzzi O (2003) Evaluation of shear strength of rock joints subjected to cyclic loading. Soil Dyn Earthq Eng 23(7):619–630. https://doi.org/10.1016/S0267-7261(03)00063-0
Kersten J (2014) Simultaneous feature selection and Gaussian mixture model estimation for supervised classification problems. Pattern Recognit 47(8):2582–2595. https://doi.org/10.1016/j.patcog.2014.02.015
Lei RD, Zhang ZY, Berto F, Ranjith PG, Liu L (2020) Cracking process and acoustic emission characteristics of sandstone with two parallel filled-flaws under biaxial compression. Eng Fract Mech 237:107253. https://doi.org/10.1016/j.engfracmech.2020.107253
Li HB, Feng HP, Liu B (2006) Study on strength behaviors of rock joints under different shearing deformation velocities. Chin J Rock Mech Eng 25(12):2435–2440
Li XH, Zhu ZM, Wang M, Wan DY, Zhou L, Liu RF (2021) Numerical study on the behavior of blasting in deep rock masses. Tunn Undergr Sp Tech 113:103968. https://doi.org/10.1016/j.tust.2021.103968
Li YC, Wu W, Tang CA, Liu B (2019) Predicting the shear characteristics of rock joints with asperity degradation and debris backfilling under cyclic loading conditions. Int J Rock Mech Min Sci 120:108–118. https://doi.org/10.1016/j.ijrmms.2019.06.001
Zhao JS, Jiang Q, Pei SF, Chen BR, Xu DP, Song LB (2023) Microseismicity and focal mechanism of blasting-induced block falling of intersecting chamber of large underground cavern under high geostress. J Cent South Univ 30: 542-554. https://doi.org/10.1007/s11771-023-5259-y
Liu ZZ, Cao P, Li KH, Wang F, Du T, Liu JS (2022) Fracture analysis of central-flawed rock-like specimens under the influence of coplanar or non-coplanar edge flaws. B Eng Geol Environ 81(1):1–17. https://doi.org/10.1007/s10064-021-02554-2
Luo T, Fan GW, Guo BH, Zhang SZ (2021) Experimental study on the influence of hydro-chemical erosion on morphology parameters and shear properties of limestone fractures. Acta Geotech 16(12):3867–3880. https://doi.org/10.1007/s11440-021-01365-9
Meng FZ, Wong LNY, Zhou H, Yu J, Cheng GT (2019) Shear rate effects on the post-peak shear behaviour and acoustic emission characteristics of artificially split granite joints. Rock Mech Rock Eng 52(7):2155–2174. https://doi.org/10.1007/s00603-019-01860-2
Moradian Z, Einstein HH, Ballivy G (2016) Detection of cracking levels in brittle rocks by parametric analysis of the acoustic emission signals. Rock Mech Rock Eng 49(3):785–800. https://doi.org/10.1007/s00603-015-0775-1
Naderloo M, Moosavi M, Ahmadi M (2019) Using acoustic emission technique to monitor damage progress around joints in brittle materials. Theor Appl Fract Mech 104:102368. https://doi.org/10.1016/j.tafmec.2019.102368
Nor NM, Abdullah S, Mat Saliah SN (2021) On the need to determine the acoustic emission trend for reinforced concrete beam fatigue damage. Int J Fatigue 152:106421. https://doi.org/10.1016/j.ijfatigue.2021.106421
Otsuka K, Date H (2000) Fracture process zone in concrete tension specimen. Eng Fract Mech 65(2-3):111–131. https://doi.org/10.1016/S0013-7944(99)00111-3
Qi SW, Zheng BW, Wu FQ, Huang XL, Guo SF, Zhan ZF, Zou Y, Barla G (2020) A new dynamic direct shear testing device on rock joints. Rock Mech Rock Eng 53(10):4787–4798. https://doi.org/10.1007/s00603-020-02175-3
Rudajev V, Vilhelm J, Lokajı́ček T (2000) Laboratory studies of acoustic emission prior to uniaxial compressive rock failure. Int Journal Rock Mech Min Sci 37(4):699-704. https://doi.org/10.1016/S1365-1609(99)00126-4
Shiotani T, Ohtsu M, Ikeda K (2001) Detection and evaluation of AE waves due to rock deformation. Constr Build Mater 15(5):235–246. https://doi.org/10.1016/S0950-0618(00)00073-8
Shkuratnik VL, Filimonov YL, Kuchurin SV (2005) Regularities of acoustic emission in coal samples under triaxial compression. J Min Sci 41(1):44–52. https://doi.org/10.1007/s10913-005-0062-8
Tang ZC, Zhang QZ, Peng J, Jiao YY (2019) Experimental study on the water-weakening shear behaviors of sandstone joints collected from the middle region of Yunnan province, P.R. China. Eng Geol 258:105161. https://doi.org/10.1016/j.enggeo.2019.105161
Wang G, Liu XQ, Chang Y, Song LB, Zhou CB, Wang ZH (2023b) Analysis on rockburst failure energy evolution of model specimen under stress gradient. Rock Mech Rock Eng:1–14. https://doi.org/10.1007/s00603-023-03462-5
Wang G, Liu XQ, Song LB, Bao CY, Wang ZH, Chen H (2023c) Fracture evolution characteristics of strainburst under different gradient stress. Int J Numer Anal Methods Geomech:1–18. https://doi.org/10.1002/nag.3627
Wang G, Luo Y, Gong HL, Liu TT, Li XP, Song LB (2023a) Investigations on the macro-meso mechanical properties and energy dissipation mechanism of granite shear fracture under dynamic disturbance. Int J Numer Anal Methods Geomech:1–21. https://doi.org/10.1002/nag.3584
Yoshihara H, Maruta M (2020) Examination of the block shear fracture test method to measure the mode-II critical stress intensity factor. Eng Fract Mech 232:107043. https://doi.org/10.1016/j.engfracmech.2020.107043
Zhai TQ, Zhu JB, Zhou CT, Yang T (2022) Experimental investigation of the effect of thermal treatment on shear characteristics of healed rock joints. Int Journal Rock Mech Min Sci 152:105074. https://doi.org/10.1016/J.IJRMMS.2022.105074
Zhang HH, Yan YD, Yu HZ, Yin XC (2004) Acoustic emission experimental research on large-scaled rock failure under cycling load-fracture precursor of rock. Chin J Rock Mech Eng 23(21):3621–3628
Zhang Q, Zhang XP (2017) A numerical study on cracking processes in limestone by the b-value analysis of acoustic emissions. Comput Geotech 92:1–10. https://doi.org/10.1016/j.compgeo.2017.07.013
Zhang T, Xu WY, Wang HL, Wang RB, Shi AC (2022) Experimental investigations on short-term and creep anisotropic mechanical behavior of artificial columnar jointed rock masses. Rock Mech Rock Eng 55(9):5393–5413. https://doi.org/10.1007/s00603-022-02880-1
Zhang YC, Jiang YJ, Asahina D, Wang CS (2020) Experimental and numerical investigation on shear failure behavior of rock-like samples containing multiple non-persistent joints. Rock Mech Rock Eng 53(10):4717–4744. https://doi.org/10.1007/s00603-020-02186-0
Zhao JS, Jiang Q, Lu JF, Chen BR, Pei SF, Wang ZL (2022) Rock fracturing observation based on microseismic monitoring and borehole imaging: In situ investigation in a large underground cavern under high geostress. Tunn Undergr Sp Tech 126:104549. https://doi.org/10.1016/j.tust.2022.104549
Zhou XP, Zhang JZ (2021) Damage progression and acoustic emission in brittle failure of granite and sandstone. Int J Rock Mech Min Sci 143:104789. https://doi.org/10.1016/j.ijrmms.2021.104789
Zhou YX, Xia KW, Li XH, Li XB, Ma GW, Zhao J, Zhou ZL, Dai F (2012) Suggested methods for determining the dynamic strength parameters and mode-I fracture toughness of rock materials. Int J Rock Mech Min Sci 49:105–112. https://doi.org/10.1016/j.ijrmms.2011.10.004
Zhou ZQ, Sun JW, Lai YB, Wei CC, Hou J, Bai SS, Huang XX, Liu HL, Xiong KQ, Cheng S (2022) Study on size effect of jointed rock mass and influencing factors of the REV size based on the SRM method. Tunn Undergr Sp Tech 127:104613. https://doi.org/10.1016/j.tust.2022.104613
Zhu GQ, Feng XT, Zhou YY, Li ZW, Fu LJ, Xiong YR (2020) Physical model experimental study on spalling failure around a tunnel in synthetic marble. Rock Mech Rock Eng 53(2):909–926. https://doi.org/10.1007/s00603-019-01952-z
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This work was supported by the National Natural Science Foundation of China (No. 51979208, 42002275), the China Postdoctoral Science Foundation (2023M732689), and Shaoxing Science and Technology Plan Project (No.2022A13003).
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Wang, G., Gong, H., Luo, Y. et al. The weakening effect on shear behavior of granite with discontinuous joints under normal cyclic disturbances: insights from acoustic emission analysis. Bull Eng Geol Environ 82, 459 (2023). https://doi.org/10.1007/s10064-023-03481-0
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DOI: https://doi.org/10.1007/s10064-023-03481-0