An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock

An accurate theoretical model to predict the extent and mechanical behavior of the excavation damage zone (EDZ) in the surrounding rock of deep-buried tunnel is of great importance for the practical engineering applications. Using the elastic-plastic theory and combined with the analysis on the stre...
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Autor*in:	Xiaoding Xu [verfasserIn] Yuejin Zhou [verfasserIn] Chun Zhu [verfasserIn] Chunlin Zeng [verfasserIn] Chong Guo [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	tunnel excavation damage zone elastic-plastic mechanics dilatancy strain softening

Übergeordnetes Werk:	In: Minerals - MDPI AG, 2012, 12(2022), 10, p 1321
Übergeordnetes Werk:	volume:12 ; year:2022 ; number:10, p 1321

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/min12101321

Katalog-ID:	DOAJ02163680X

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520			\|a An accurate theoretical model to predict the extent and mechanical behavior of the excavation damage zone (EDZ) in the surrounding rock of deep-buried tunnel is of great importance for the practical engineering applications. Using the elastic-plastic theory and combined with the analysis on the stress characteristics of the tunnel surrounding rock, this paper present a predict model for the EDZ formation and evolution. A three-zone composite mechanical model was established for the tunnel surround rock and the corresponding stress state and displacement field of three zones were derived. The effects of the strain softening and dilatancy during rock deformation was taken into account. The correctness of the proposed model was validated by the existing theoretical models. A sensitivity analysis for different influencing factors in this model was also performed. The results can benefit for the future numerical and experimental studies.
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spelling	10.3390/min12101321 doi (DE-627)DOAJ02163680X (DE-599)DOAJ9f15270063164ae793f70697cef8d581 DE-627 ger DE-627 rakwb eng QE351-399.2 Xiaoding Xu verfasserin aut An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An accurate theoretical model to predict the extent and mechanical behavior of the excavation damage zone (EDZ) in the surrounding rock of deep-buried tunnel is of great importance for the practical engineering applications. Using the elastic-plastic theory and combined with the analysis on the stress characteristics of the tunnel surrounding rock, this paper present a predict model for the EDZ formation and evolution. A three-zone composite mechanical model was established for the tunnel surround rock and the corresponding stress state and displacement field of three zones were derived. The effects of the strain softening and dilatancy during rock deformation was taken into account. The correctness of the proposed model was validated by the existing theoretical models. A sensitivity analysis for different influencing factors in this model was also performed. The results can benefit for the future numerical and experimental studies. tunnel excavation damage zone elastic-plastic mechanics dilatancy strain softening Mineralogy Yuejin Zhou verfasserin aut Chun Zhu verfasserin aut Chunlin Zeng verfasserin aut Chong Guo verfasserin aut In Minerals MDPI AG, 2012 12(2022), 10, p 1321 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:12 year:2022 number:10, p 1321 https://doi.org/10.3390/min12101321 kostenfrei https://doaj.org/article/9f15270063164ae793f70697cef8d581 kostenfrei https://www.mdpi.com/2075-163X/12/10/1321 kostenfrei https://doaj.org/toc/2075-163X 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_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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 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 12 2022 10, p 1321
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language	English
source	In Minerals 12(2022), 10, p 1321 volume:12 year:2022 number:10, p 1321
sourceStr	In Minerals 12(2022), 10, p 1321 volume:12 year:2022 number:10, p 1321
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	tunnel excavation damage zone elastic-plastic mechanics dilatancy strain softening Mineralogy
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container_title	Minerals
authorswithroles_txt_mv	Xiaoding Xu @@aut@@ Yuejin Zhou @@aut@@ Chun Zhu @@aut@@ Chunlin Zeng @@aut@@ Chong Guo @@aut@@
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callnumber-first	Q - Science
author	Xiaoding Xu
spellingShingle	Xiaoding Xu misc QE351-399.2 misc tunnel misc excavation damage zone misc elastic-plastic mechanics misc dilatancy misc strain softening misc Mineralogy An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock
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topic_title	QE351-399.2 An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock tunnel excavation damage zone elastic-plastic mechanics dilatancy strain softening
topic	misc QE351-399.2 misc tunnel misc excavation damage zone misc elastic-plastic mechanics misc dilatancy misc strain softening misc Mineralogy
topic_unstemmed	misc QE351-399.2 misc tunnel misc excavation damage zone misc elastic-plastic mechanics misc dilatancy misc strain softening misc Mineralogy
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title	An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock
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title_full	An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock
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title_sort	analytical model for the excavation damage zone in tunnel surrounding rock
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title_auth	An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock
abstract	An accurate theoretical model to predict the extent and mechanical behavior of the excavation damage zone (EDZ) in the surrounding rock of deep-buried tunnel is of great importance for the practical engineering applications. Using the elastic-plastic theory and combined with the analysis on the stress characteristics of the tunnel surrounding rock, this paper present a predict model for the EDZ formation and evolution. A three-zone composite mechanical model was established for the tunnel surround rock and the corresponding stress state and displacement field of three zones were derived. The effects of the strain softening and dilatancy during rock deformation was taken into account. The correctness of the proposed model was validated by the existing theoretical models. A sensitivity analysis for different influencing factors in this model was also performed. The results can benefit for the future numerical and experimental studies.
abstractGer	An accurate theoretical model to predict the extent and mechanical behavior of the excavation damage zone (EDZ) in the surrounding rock of deep-buried tunnel is of great importance for the practical engineering applications. Using the elastic-plastic theory and combined with the analysis on the stress characteristics of the tunnel surrounding rock, this paper present a predict model for the EDZ formation and evolution. A three-zone composite mechanical model was established for the tunnel surround rock and the corresponding stress state and displacement field of three zones were derived. The effects of the strain softening and dilatancy during rock deformation was taken into account. The correctness of the proposed model was validated by the existing theoretical models. A sensitivity analysis for different influencing factors in this model was also performed. The results can benefit for the future numerical and experimental studies.
abstract_unstemmed	An accurate theoretical model to predict the extent and mechanical behavior of the excavation damage zone (EDZ) in the surrounding rock of deep-buried tunnel is of great importance for the practical engineering applications. Using the elastic-plastic theory and combined with the analysis on the stress characteristics of the tunnel surrounding rock, this paper present a predict model for the EDZ formation and evolution. A three-zone composite mechanical model was established for the tunnel surround rock and the corresponding stress state and displacement field of three zones were derived. The effects of the strain softening and dilatancy during rock deformation was taken into account. The correctness of the proposed model was validated by the existing theoretical models. A sensitivity analysis for different influencing factors in this model was also performed. The results can benefit for the future numerical and experimental studies.
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title_short	An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock
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An Analytical Model for the Excavation Damage Zone in Tunnel Surrounding Rock

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