Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application

In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the...
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Autor*in:	Xiaofei Guo [verfasserIn] Zhiqiang Zhao [verfasserIn] Xu Gao [verfasserIn] Xiangye Wu [verfasserIn] Nianjie Ma [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Übergeordnetes Werk:	In: International Journal of Mining Science and Technology - Elsevier, 2018, 29(2019), 2, Seite 263-272
Übergeordnetes Werk:	volume:29 ; year:2019 ; number:2 ; pages:263-272

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.ijmst.2018.10.002

Katalog-ID:	DOAJ009548408

Internformat


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520			\|a In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area
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allfields	10.1016/j.ijmst.2018.10.002 doi (DE-627)DOAJ009548408 (DE-599)DOAJdbfa8db985e64794988b459641da6eb4 DE-627 ger DE-627 rakwb eng TN1-997 Xiaofei Guo verfasserin aut Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area Mining engineering. Metallurgy Zhiqiang Zhao verfasserin aut Xu Gao verfasserin aut Xiangye Wu verfasserin aut Nianjie Ma verfasserin aut In International Journal of Mining Science and Technology Elsevier, 2018 29(2019), 2, Seite 263-272 (DE-627)718715004 (DE-600)2666518-9 2589062X nnns volume:29 year:2019 number:2 pages:263-272 https://doi.org/10.1016/j.ijmst.2018.10.002 kostenfrei https://doaj.org/article/dbfa8db985e64794988b459641da6eb4 kostenfrei http://www.sciencedirect.com/science/article/pii/S2095268618303008 kostenfrei https://doaj.org/toc/2095-2686 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2336 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 29 2019 2 263-272
spelling	10.1016/j.ijmst.2018.10.002 doi (DE-627)DOAJ009548408 (DE-599)DOAJdbfa8db985e64794988b459641da6eb4 DE-627 ger DE-627 rakwb eng TN1-997 Xiaofei Guo verfasserin aut Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area Mining engineering. Metallurgy Zhiqiang Zhao verfasserin aut Xu Gao verfasserin aut Xiangye Wu verfasserin aut Nianjie Ma verfasserin aut In International Journal of Mining Science and Technology Elsevier, 2018 29(2019), 2, Seite 263-272 (DE-627)718715004 (DE-600)2666518-9 2589062X nnns volume:29 year:2019 number:2 pages:263-272 https://doi.org/10.1016/j.ijmst.2018.10.002 kostenfrei https://doaj.org/article/dbfa8db985e64794988b459641da6eb4 kostenfrei http://www.sciencedirect.com/science/article/pii/S2095268618303008 kostenfrei https://doaj.org/toc/2095-2686 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2336 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 29 2019 2 263-272
allfields_unstemmed	10.1016/j.ijmst.2018.10.002 doi (DE-627)DOAJ009548408 (DE-599)DOAJdbfa8db985e64794988b459641da6eb4 DE-627 ger DE-627 rakwb eng TN1-997 Xiaofei Guo verfasserin aut Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area Mining engineering. Metallurgy Zhiqiang Zhao verfasserin aut Xu Gao verfasserin aut Xiangye Wu verfasserin aut Nianjie Ma verfasserin aut In International Journal of Mining Science and Technology Elsevier, 2018 29(2019), 2, Seite 263-272 (DE-627)718715004 (DE-600)2666518-9 2589062X nnns volume:29 year:2019 number:2 pages:263-272 https://doi.org/10.1016/j.ijmst.2018.10.002 kostenfrei https://doaj.org/article/dbfa8db985e64794988b459641da6eb4 kostenfrei http://www.sciencedirect.com/science/article/pii/S2095268618303008 kostenfrei https://doaj.org/toc/2095-2686 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2336 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 29 2019 2 263-272
allfieldsGer	10.1016/j.ijmst.2018.10.002 doi (DE-627)DOAJ009548408 (DE-599)DOAJdbfa8db985e64794988b459641da6eb4 DE-627 ger DE-627 rakwb eng TN1-997 Xiaofei Guo verfasserin aut Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area Mining engineering. Metallurgy Zhiqiang Zhao verfasserin aut Xu Gao verfasserin aut Xiangye Wu verfasserin aut Nianjie Ma verfasserin aut In International Journal of Mining Science and Technology Elsevier, 2018 29(2019), 2, Seite 263-272 (DE-627)718715004 (DE-600)2666518-9 2589062X nnns volume:29 year:2019 number:2 pages:263-272 https://doi.org/10.1016/j.ijmst.2018.10.002 kostenfrei https://doaj.org/article/dbfa8db985e64794988b459641da6eb4 kostenfrei http://www.sciencedirect.com/science/article/pii/S2095268618303008 kostenfrei https://doaj.org/toc/2095-2686 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2336 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 29 2019 2 263-272
allfieldsSound	10.1016/j.ijmst.2018.10.002 doi (DE-627)DOAJ009548408 (DE-599)DOAJdbfa8db985e64794988b459641da6eb4 DE-627 ger DE-627 rakwb eng TN1-997 Xiaofei Guo verfasserin aut Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area Mining engineering. Metallurgy Zhiqiang Zhao verfasserin aut Xu Gao verfasserin aut Xiangye Wu verfasserin aut Nianjie Ma verfasserin aut In International Journal of Mining Science and Technology Elsevier, 2018 29(2019), 2, Seite 263-272 (DE-627)718715004 (DE-600)2666518-9 2589062X nnns volume:29 year:2019 number:2 pages:263-272 https://doi.org/10.1016/j.ijmst.2018.10.002 kostenfrei https://doaj.org/article/dbfa8db985e64794988b459641da6eb4 kostenfrei http://www.sciencedirect.com/science/article/pii/S2095268618303008 kostenfrei https://doaj.org/toc/2095-2686 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_2336 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 29 2019 2 263-272
language	English
source	In International Journal of Mining Science and Technology 29(2019), 2, Seite 263-272 volume:29 year:2019 number:2 pages:263-272
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authorswithroles_txt_mv	Xiaofei Guo @@aut@@ Zhiqiang Zhao @@aut@@ Xu Gao @@aut@@ Xiangye Wu @@aut@@ Nianjie Ma @@aut@@
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author	Xiaofei Guo
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topic_title	TN1-997 Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application
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title	Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application
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title_full	Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application
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title_sort	analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application
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title_auth	Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application
abstract	In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area
abstractGer	In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area
abstract_unstemmed	In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic radii of the plastic zone were proposed, namely the horizontal, longitudinal and medial axis radii, which could reflect the plastic zone shapes characteristics and classify the sizes of the key parts. On the theoretical basis of elastic-plastic mechanics, analytical solutions for the characteristic radii were obtained by theoretical deduction, and the relationships between the characteristic radii and key influencing factors were analyzed. Finally, the evaluation criterion of the circular roadway surrounding rock plastic zone shapes, evaluation criterion of the location of potential hazards caused by the roadway surrounding rock and evaluation critical points of roadway dynamic disasters based on characteristic radii were proposed. This work could provide a theoretical basis for stability analysis of the surrounding rock, support design, and guide the prevention and control of dynamic roadway disasters. Keywords: Inhomogeneous stress field, Analytical solutions, Characteristic radii, Morphological identification, Disaster area
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title_short	Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application
url	https://doi.org/10.1016/j.ijmst.2018.10.002 https://doaj.org/article/dbfa8db985e64794988b459641da6eb4 http://www.sciencedirect.com/science/article/pii/S2095268618303008 https://doaj.org/toc/2095-2686
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Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application

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