From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration

Abstract The purpose of this study is to achieve better understanding of associated mechanisms and to recommend and identify new strategies to develop new rock breaking technology for Tunnel Boring Machines (TBMs). Tunnel Boring Machine tunnelling mainly depends upon the rock breakage caused by cutt...

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Autores principales:	Jing Zheng, Zhixin Wu, Jiahui Nie, Lei Lei, Zhongrong Zhou, Jianbin Li
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	bioerosion bioinspiration rock breaking TBM cutters wear Biotechnology TP248.13-248.65 Biochemistry QD415-436
Acceso en línea:	https://doaj.org/article/f60c0b491e774944b08cf21e251fca31
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spelling	oai:doaj.org-article:f60c0b491e774944b08cf21e251fca312021-11-12T15:58:04ZFrom rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration2405-451810.1049/bsb2.12025https://doaj.org/article/f60c0b491e774944b08cf21e251fca312021-12-01T00:00:00Zhttps://doi.org/10.1049/bsb2.12025https://doaj.org/toc/2405-4518Abstract The purpose of this study is to achieve better understanding of associated mechanisms and to recommend and identify new strategies to develop new rock breaking technology for Tunnel Boring Machines (TBMs). Tunnel Boring Machine tunnelling mainly depends upon the rock breakage caused by cutters moving on a rock surface in a rolling and sliding motion while under the action of thrust force. The rock breaking behaviour is controlled by the mechanical interaction between the cutters and the rock. Due to the high hardness and high abrasiveness of rock, the cutters have to work under very high thrust force and suffer heavy‐load‐impact and abrasive wear, causing serious wear and low rock breaking efficiency. Rock‐boring organisms exist in nature, which achieve drilling and/or tunnelling in rocks through a tribochemical interaction. This phenomenon is called bioerosion and the organisms are natural ‘TBMs’ to some degree. In this study, the interaction between TBM cutters and rock is presented, and current measures to improve cutter wear and rock breaking efficiency and their limitations are reported. Then, the connotation, mechanism and typical cases of bioerosion are presented. Finally, inspired by bioerosion, a new chemically assisted rock breaking technology is proposed for TBMs.Jing ZhengZhixin WuJiahui NieLei LeiZhongrong ZhouJianbin LiWileyarticlebioerosionbioinspirationrock breakingTBM cutterswearBiotechnologyTP248.13-248.65BiochemistryQD415-436ENBiosurface and Biotribology, Vol 7, Iss 4, Pp 233-238 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bioerosion bioinspiration rock breaking TBM cutters wear Biotechnology TP248.13-248.65 Biochemistry QD415-436
spellingShingle	bioerosion bioinspiration rock breaking TBM cutters wear Biotechnology TP248.13-248.65 Biochemistry QD415-436 Jing Zheng Zhixin Wu Jiahui Nie Lei Lei Zhongrong Zhou Jianbin Li From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration
description	Abstract The purpose of this study is to achieve better understanding of associated mechanisms and to recommend and identify new strategies to develop new rock breaking technology for Tunnel Boring Machines (TBMs). Tunnel Boring Machine tunnelling mainly depends upon the rock breakage caused by cutters moving on a rock surface in a rolling and sliding motion while under the action of thrust force. The rock breaking behaviour is controlled by the mechanical interaction between the cutters and the rock. Due to the high hardness and high abrasiveness of rock, the cutters have to work under very high thrust force and suffer heavy‐load‐impact and abrasive wear, causing serious wear and low rock breaking efficiency. Rock‐boring organisms exist in nature, which achieve drilling and/or tunnelling in rocks through a tribochemical interaction. This phenomenon is called bioerosion and the organisms are natural ‘TBMs’ to some degree. In this study, the interaction between TBM cutters and rock is presented, and current measures to improve cutter wear and rock breaking efficiency and their limitations are reported. Then, the connotation, mechanism and typical cases of bioerosion are presented. Finally, inspired by bioerosion, a new chemically assisted rock breaking technology is proposed for TBMs.
format	article
author	Jing Zheng Zhixin Wu Jiahui Nie Lei Lei Zhongrong Zhou Jianbin Li
author_facet	Jing Zheng Zhixin Wu Jiahui Nie Lei Lei Zhongrong Zhou Jianbin Li
author_sort	Jing Zheng
title	From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration
title_short	From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration
title_full	From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration
title_fullStr	From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration
title_full_unstemmed	From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration
title_sort	from rock‐boring organisms to tunnel boring machines: a new rock breaking technology by bioinspiration
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/f60c0b491e774944b08cf21e251fca31
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From rock‐boring organisms to tunnel boring machines: A new rock breaking technology by bioinspiration

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