Mechanical analysis and failure modes prediction of composite rock under uniaxial compression

Abstract Composite rocks are easily encountered in a wide range of geotechnical construction projects. Understanding their mechanical properties and failure modes is very important to ensure project quality and safety. This study conducted a mechanical analysis to assess the stress distribution in c...

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Autores principales:	Jianguang Li, Zhuoqun Yu, Ziyi Zhou, Yanchun Wang, Jiwei Li
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/99837e6634bf4696bd0428674fce5c2b
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spelling	oai:doaj.org-article:99837e6634bf4696bd0428674fce5c2b2021-11-28T12:20:36ZMechanical analysis and failure modes prediction of composite rock under uniaxial compression10.1038/s41598-021-02331-x2045-2322https://doaj.org/article/99837e6634bf4696bd0428674fce5c2b2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02331-xhttps://doaj.org/toc/2045-2322Abstract Composite rocks are easily encountered in a wide range of geotechnical construction projects. Understanding their mechanical properties and failure modes is very important to ensure project quality and safety. This study conducted a mechanical analysis to assess the stress distribution in composite rock with a horizontal interlayer and predicted the possible failure modes. Uniaxial compression tests were carried out on the composite rock samples to reveal their mechanical properties. It was concluded that a composite rock with a thick interlayer failed more easily than a composite rock with a thin interlayer. Four potential failure modes were related to the internal stress distribution under compression and the differences in deformation capacity and strength among the constituent components. The stress distribution derived from the mechanical analysis could explain the failure mechanism very well. These results verified the validity of the mechanical analysis results and improved understanding of the mechanical properties of composite rock with a horizontal interlayer.Jianguang LiZhuoqun YuZiyi ZhouYanchun WangJiwei LiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jianguang Li Zhuoqun Yu Ziyi Zhou Yanchun Wang Jiwei Li Mechanical analysis and failure modes prediction of composite rock under uniaxial compression
description	Abstract Composite rocks are easily encountered in a wide range of geotechnical construction projects. Understanding their mechanical properties and failure modes is very important to ensure project quality and safety. This study conducted a mechanical analysis to assess the stress distribution in composite rock with a horizontal interlayer and predicted the possible failure modes. Uniaxial compression tests were carried out on the composite rock samples to reveal their mechanical properties. It was concluded that a composite rock with a thick interlayer failed more easily than a composite rock with a thin interlayer. Four potential failure modes were related to the internal stress distribution under compression and the differences in deformation capacity and strength among the constituent components. The stress distribution derived from the mechanical analysis could explain the failure mechanism very well. These results verified the validity of the mechanical analysis results and improved understanding of the mechanical properties of composite rock with a horizontal interlayer.
format	article
author	Jianguang Li Zhuoqun Yu Ziyi Zhou Yanchun Wang Jiwei Li
author_facet	Jianguang Li Zhuoqun Yu Ziyi Zhou Yanchun Wang Jiwei Li
author_sort	Jianguang Li
title	Mechanical analysis and failure modes prediction of composite rock under uniaxial compression
title_short	Mechanical analysis and failure modes prediction of composite rock under uniaxial compression
title_full	Mechanical analysis and failure modes prediction of composite rock under uniaxial compression
title_fullStr	Mechanical analysis and failure modes prediction of composite rock under uniaxial compression
title_full_unstemmed	Mechanical analysis and failure modes prediction of composite rock under uniaxial compression
title_sort	mechanical analysis and failure modes prediction of composite rock under uniaxial compression
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/99837e6634bf4696bd0428674fce5c2b
work_keys_str_mv	AT jianguangli mechanicalanalysisandfailuremodespredictionofcompositerockunderuniaxialcompression AT zhuoqunyu mechanicalanalysisandfailuremodespredictionofcompositerockunderuniaxialcompression AT ziyizhou mechanicalanalysisandfailuremodespredictionofcompositerockunderuniaxialcompression AT yanchunwang mechanicalanalysisandfailuremodespredictionofcompositerockunderuniaxialcompression AT jiweili mechanicalanalysisandfailuremodespredictionofcompositerockunderuniaxialcompression
_version_	1718408031367069696

Mechanical analysis and failure modes prediction of composite rock under uniaxial compression

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