Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression
Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimen...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhang, Kuan [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| Übergeordnetes Werk: |
Enthalten in: Bulletin of engineering geology and the environment - Berlin : Springer, 1970, 82(2023), 5 vom: 20. Apr. |
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| Übergeordnetes Werk: |
volume:82 ; year:2023 ; number:5 ; day:20 ; month:04 |
| Links: |
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| DOI / URN: |
10.1007/s10064-023-03198-0 |
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| Katalog-ID: |
SPR050117254 |
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| 245 | 1 | 0 | |a Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression |
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| 520 | |a Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. | ||
| 650 | 4 | |a Rock mechanics |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Red sandstone |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Elastoplastic damage model |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Pore gas pressure |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Wang, Wei |4 aut | |
| 700 | 1 | |a Liu, Shifan |4 aut | |
| 700 | 1 | |a Cao, Yajun |4 aut | |
| 700 | 1 | |a Zeng, Tao |4 aut | |
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10.1007/s10064-023-03198-0 doi (DE-627)SPR050117254 (SPR)s10064-023-03198-0-e DE-627 ger DE-627 rakwb eng Zhang, Kuan verfasserin aut Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. Rock mechanics (dpeaa)DE-He213 Red sandstone (dpeaa)DE-He213 Elastoplastic damage model (dpeaa)DE-He213 Pore gas pressure (dpeaa)DE-He213 Wang, Wei aut Liu, Shifan aut Cao, Yajun aut Zeng, Tao aut Enthalten in Bulletin of engineering geology and the environment Berlin : Springer, 1970 82(2023), 5 vom: 20. Apr. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:82 year:2023 number:5 day:20 month:04 https://dx.doi.org/10.1007/s10064-023-03198-0 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_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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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 82 2023 5 20 04 |
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10.1007/s10064-023-03198-0 doi (DE-627)SPR050117254 (SPR)s10064-023-03198-0-e DE-627 ger DE-627 rakwb eng Zhang, Kuan verfasserin aut Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. Rock mechanics (dpeaa)DE-He213 Red sandstone (dpeaa)DE-He213 Elastoplastic damage model (dpeaa)DE-He213 Pore gas pressure (dpeaa)DE-He213 Wang, Wei aut Liu, Shifan aut Cao, Yajun aut Zeng, Tao aut Enthalten in Bulletin of engineering geology and the environment Berlin : Springer, 1970 82(2023), 5 vom: 20. Apr. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:82 year:2023 number:5 day:20 month:04 https://dx.doi.org/10.1007/s10064-023-03198-0 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_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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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 82 2023 5 20 04 |
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10.1007/s10064-023-03198-0 doi (DE-627)SPR050117254 (SPR)s10064-023-03198-0-e DE-627 ger DE-627 rakwb eng Zhang, Kuan verfasserin aut Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. Rock mechanics (dpeaa)DE-He213 Red sandstone (dpeaa)DE-He213 Elastoplastic damage model (dpeaa)DE-He213 Pore gas pressure (dpeaa)DE-He213 Wang, Wei aut Liu, Shifan aut Cao, Yajun aut Zeng, Tao aut Enthalten in Bulletin of engineering geology and the environment Berlin : Springer, 1970 82(2023), 5 vom: 20. Apr. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:82 year:2023 number:5 day:20 month:04 https://dx.doi.org/10.1007/s10064-023-03198-0 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_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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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 82 2023 5 20 04 |
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10.1007/s10064-023-03198-0 doi (DE-627)SPR050117254 (SPR)s10064-023-03198-0-e DE-627 ger DE-627 rakwb eng Zhang, Kuan verfasserin aut Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. Rock mechanics (dpeaa)DE-He213 Red sandstone (dpeaa)DE-He213 Elastoplastic damage model (dpeaa)DE-He213 Pore gas pressure (dpeaa)DE-He213 Wang, Wei aut Liu, Shifan aut Cao, Yajun aut Zeng, Tao aut Enthalten in Bulletin of engineering geology and the environment Berlin : Springer, 1970 82(2023), 5 vom: 20. Apr. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:82 year:2023 number:5 day:20 month:04 https://dx.doi.org/10.1007/s10064-023-03198-0 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_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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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 82 2023 5 20 04 |
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10.1007/s10064-023-03198-0 doi (DE-627)SPR050117254 (SPR)s10064-023-03198-0-e DE-627 ger DE-627 rakwb eng Zhang, Kuan verfasserin aut Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. Rock mechanics (dpeaa)DE-He213 Red sandstone (dpeaa)DE-He213 Elastoplastic damage model (dpeaa)DE-He213 Pore gas pressure (dpeaa)DE-He213 Wang, Wei aut Liu, Shifan aut Cao, Yajun aut Zeng, Tao aut Enthalten in Bulletin of engineering geology and the environment Berlin : Springer, 1970 82(2023), 5 vom: 20. Apr. (DE-627)271597011 (DE-600)1480689-7 1435-9537 nnns volume:82 year:2023 number:5 day:20 month:04 https://dx.doi.org/10.1007/s10064-023-03198-0 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_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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 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 82 2023 5 20 04 |
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Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. 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experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression |
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Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression |
| abstract |
Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstractGer |
Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstract_unstemmed |
Abstract In this study, mechanical behavior of sandstone is investigated through laboratory triaxial loading tests under various confining pressures (5, 15, and 20 MPa) and pore gas pressure (0, 1, and 2 MPa). Rock strength and its failure mode are compared and analyzed on the basis of the experimental results. It is seen that the pore gas pressure induced the diminution of compression peak strength, cohesion (5.3–9.1%), and friction angle (4.6–9.7%) and led to local brittle failure at both ends of the rock. With the increase of the confining pressure, the brittle–ductile transition of the mechanical behavior took place; meanwhile, significant plastic deformation and volumetric dilatation are noticed. It is indicated that the failure and nonlinear mechanical behavior of red sandstone are essentially related to the coupling effect between the damage and plastic deformation. Accordingly, a coupled elastoplastic damage model for the sandstone under different drainage conditions is proposed along with a non-associated plastic potential function. The coupling between the damage and plastic deformation is established by introducing the independent damage variable in the plastic yield criterion. The results show that the model is capable to describe the main features of the mechanical behaviors of the sandstone. The strength, deformation characteristics, and the pre-peak plastic hardening characteristic are in good agreement with the experimental descriptions. © Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Experimental and numerical investigations on the mechanical behavior of sandstone subjected to gas undrained triaxial compression |
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https://dx.doi.org/10.1007/s10064-023-03198-0 |
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Wang, Wei Liu, Shifan Cao, Yajun Zeng, Tao |
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Wang, Wei Liu, Shifan Cao, Yajun Zeng, Tao |
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10.1007/s10064-023-03198-0 |
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2024-07-03T13:29:24.534Z |
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| score |
7.4018297 |