Experimental study on the shear and acoustic emission characteristics of jointed rocks
Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation a...
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Gespeichert in:
| Autor*in: |
Jinyu, Dong [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© Saudi Society for Geosciences 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Arabian journal of geosciences - Berlin : Springer, 2008, 15(2022), 11 vom: 01. Juni |
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| Übergeordnetes Werk: |
volume:15 ; year:2022 ; number:11 ; day:01 ; month:06 |
| Links: |
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| DOI / URN: |
10.1007/s12517-022-10329-6 |
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| Katalog-ID: |
SPR047153636 |
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| 100 | 1 | |a Jinyu, Dong |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Experimental study on the shear and acoustic emission characteristics of jointed rocks |
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| 520 | |a Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. | ||
| 650 | 4 | |a Continuous joints |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Discontinuous joints |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Undulation angles |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Dip angles |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Acoustic emission |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Yawen, Zhao |4 aut | |
| 700 | 1 | |a Ya, Zhou |4 aut | |
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10.1007/s12517-022-10329-6 doi (DE-627)SPR047153636 (SPR)s12517-022-10329-6-e DE-627 ger DE-627 rakwb eng Jinyu, Dong verfasserin aut Experimental study on the shear and acoustic emission characteristics of jointed rocks 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Saudi Society for Geosciences 2022 Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. Continuous joints (dpeaa)DE-He213 Discontinuous joints (dpeaa)DE-He213 Undulation angles (dpeaa)DE-He213 Dip angles (dpeaa)DE-He213 Acoustic emission (dpeaa)DE-He213 Yawen, Zhao aut Ya, Zhou aut Enthalten in Arabian journal of geosciences Berlin : Springer, 2008 15(2022), 11 vom: 01. Juni (DE-627)572421877 (DE-600)2438771-X 1866-7538 nnns volume:15 year:2022 number:11 day:01 month:06 https://dx.doi.org/10.1007/s12517-022-10329-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 15 2022 11 01 06 |
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10.1007/s12517-022-10329-6 doi (DE-627)SPR047153636 (SPR)s12517-022-10329-6-e DE-627 ger DE-627 rakwb eng Jinyu, Dong verfasserin aut Experimental study on the shear and acoustic emission characteristics of jointed rocks 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Saudi Society for Geosciences 2022 Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. Continuous joints (dpeaa)DE-He213 Discontinuous joints (dpeaa)DE-He213 Undulation angles (dpeaa)DE-He213 Dip angles (dpeaa)DE-He213 Acoustic emission (dpeaa)DE-He213 Yawen, Zhao aut Ya, Zhou aut Enthalten in Arabian journal of geosciences Berlin : Springer, 2008 15(2022), 11 vom: 01. Juni (DE-627)572421877 (DE-600)2438771-X 1866-7538 nnns volume:15 year:2022 number:11 day:01 month:06 https://dx.doi.org/10.1007/s12517-022-10329-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 15 2022 11 01 06 |
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10.1007/s12517-022-10329-6 doi (DE-627)SPR047153636 (SPR)s12517-022-10329-6-e DE-627 ger DE-627 rakwb eng Jinyu, Dong verfasserin aut Experimental study on the shear and acoustic emission characteristics of jointed rocks 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Saudi Society for Geosciences 2022 Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. Continuous joints (dpeaa)DE-He213 Discontinuous joints (dpeaa)DE-He213 Undulation angles (dpeaa)DE-He213 Dip angles (dpeaa)DE-He213 Acoustic emission (dpeaa)DE-He213 Yawen, Zhao aut Ya, Zhou aut Enthalten in Arabian journal of geosciences Berlin : Springer, 2008 15(2022), 11 vom: 01. Juni (DE-627)572421877 (DE-600)2438771-X 1866-7538 nnns volume:15 year:2022 number:11 day:01 month:06 https://dx.doi.org/10.1007/s12517-022-10329-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 15 2022 11 01 06 |
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10.1007/s12517-022-10329-6 doi (DE-627)SPR047153636 (SPR)s12517-022-10329-6-e DE-627 ger DE-627 rakwb eng Jinyu, Dong verfasserin aut Experimental study on the shear and acoustic emission characteristics of jointed rocks 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Saudi Society for Geosciences 2022 Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. Continuous joints (dpeaa)DE-He213 Discontinuous joints (dpeaa)DE-He213 Undulation angles (dpeaa)DE-He213 Dip angles (dpeaa)DE-He213 Acoustic emission (dpeaa)DE-He213 Yawen, Zhao aut Ya, Zhou aut Enthalten in Arabian journal of geosciences Berlin : Springer, 2008 15(2022), 11 vom: 01. Juni (DE-627)572421877 (DE-600)2438771-X 1866-7538 nnns volume:15 year:2022 number:11 day:01 month:06 https://dx.doi.org/10.1007/s12517-022-10329-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 15 2022 11 01 06 |
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10.1007/s12517-022-10329-6 doi (DE-627)SPR047153636 (SPR)s12517-022-10329-6-e DE-627 ger DE-627 rakwb eng Jinyu, Dong verfasserin aut Experimental study on the shear and acoustic emission characteristics of jointed rocks 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Saudi Society for Geosciences 2022 Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. Continuous joints (dpeaa)DE-He213 Discontinuous joints (dpeaa)DE-He213 Undulation angles (dpeaa)DE-He213 Dip angles (dpeaa)DE-He213 Acoustic emission (dpeaa)DE-He213 Yawen, Zhao aut Ya, Zhou aut Enthalten in Arabian journal of geosciences Berlin : Springer, 2008 15(2022), 11 vom: 01. Juni (DE-627)572421877 (DE-600)2438771-X 1866-7538 nnns volume:15 year:2022 number:11 day:01 month:06 https://dx.doi.org/10.1007/s12517-022-10329-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 15 2022 11 01 06 |
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Enthalten in Arabian journal of geosciences 15(2022), 11 vom: 01. Juni volume:15 year:2022 number:11 day:01 month:06 |
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Jinyu, Dong @@aut@@ Yawen, Zhao @@aut@@ Ya, Zhou @@aut@@ |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR047153636</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230507211317.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">220601s2022 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s12517-022-10329-6</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR047153636</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s12517-022-10329-6-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Jinyu, Dong</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Experimental study on the shear and acoustic emission characteristics of jointed rocks</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2022</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Saudi Society for Geosciences 2022</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Continuous joints</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Discontinuous joints</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Undulation angles</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Dip angles</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Acoustic emission</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Yawen, Zhao</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ya, Zhou</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Arabian journal of geosciences</subfield><subfield code="d">Berlin : Springer, 2008</subfield><subfield code="g">15(2022), 11 vom: 01. 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| author |
Jinyu, Dong |
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Jinyu, Dong misc Continuous joints misc Discontinuous joints misc Undulation angles misc Dip angles misc Acoustic emission Experimental study on the shear and acoustic emission characteristics of jointed rocks |
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Experimental study on the shear and acoustic emission characteristics of jointed rocks Continuous joints (dpeaa)DE-He213 Discontinuous joints (dpeaa)DE-He213 Undulation angles (dpeaa)DE-He213 Dip angles (dpeaa)DE-He213 Acoustic emission (dpeaa)DE-He213 |
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misc Continuous joints misc Discontinuous joints misc Undulation angles misc Dip angles misc Acoustic emission |
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misc Continuous joints misc Discontinuous joints misc Undulation angles misc Dip angles misc Acoustic emission |
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Experimental study on the shear and acoustic emission characteristics of jointed rocks |
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Experimental study on the shear and acoustic emission characteristics of jointed rocks |
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Arabian journal of geosciences |
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Arabian journal of geosciences |
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Jinyu, Dong Yawen, Zhao Ya, Zhou |
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Jinyu, Dong |
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10.1007/s12517-022-10329-6 |
| title_sort |
experimental study on the shear and acoustic emission characteristics of jointed rocks |
| title_auth |
Experimental study on the shear and acoustic emission characteristics of jointed rocks |
| abstract |
Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. © Saudi Society for Geosciences 2022 |
| abstractGer |
Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. © Saudi Society for Geosciences 2022 |
| abstract_unstemmed |
Abstract The strength mechanism of jointed rocks remains poorly understood. In this paper, direct shear tests were performed on three rock types (intact, continuous jointed, discontinuous jointed rocks) using similar brittle materials and monitored using an acoustic emission device. The undulation angles of the continuous joints and dip angles of the discontinuous joints were 0°, 30°, 45°, and 60°. The results show that the failure mode of the continuous jointed rocks is controlled by the undulation angle and normal stress conditions. Under low normal stress (< 0.3 MPa), the continuous jointed rocks underwent four stages: nonlinear compression densification; linear elastic deformation; sawtooth fracture; and residual section slip. The strength of the continuous jointed rocks reached a maximum at an undulation angle of 45° under low normal stress. The dip angle and rock bridge fracture mode differ during the shearing process of discontinuous jointed rock, which underwent four stages including non-linear compression (crack closure), linear deformation (fine crack extension), non-linear deformation (crack extension penetration), and slip of the penetration surface. The shear strength of the discontinuous jointed rock initially decreased with increasing dip angle to a minimum at 45° and then increased. The acoustic emission ring count, energy, and amplitude results are in good agreement with the rock-shearing process. The investigated acoustic emission parameters reached maxima prior to the peak strength, and crack development within the rock was most intense prior to the continuous-slip damage. The acoustic emission reaches a minimum peak amplitude for a joint dip angle of 45°, which is consistent with the lowest rock strength at this angle in both intact and discontinuous jointed rock. © Saudi Society for Geosciences 2022 |
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Experimental study on the shear and acoustic emission characteristics of jointed rocks |
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https://dx.doi.org/10.1007/s12517-022-10329-6 |
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Yawen, Zhao Ya, Zhou |
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10.1007/s12517-022-10329-6 |
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2024-07-04T02:05:29.801Z |
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|
| score |
7.400531 |