The Open Construction & Building Technology Journal

ISSN: 1874-8368 ― Volume 12, 2018

Cutterhead and Cutting Tools Configurations in Coarse Grain Soils

Xinggao Li1, *, Dajun Yuan1, Qingfei Huang2
1 School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
2 CCCC Highway Consultants CO., Ltd, Beijing 100088, China



Many subway/metro tunnels were constructed using close face shield machines in coarse grain soils in last decades. Configurations of the shield cutterhead and cutting tools are critical in terms of cost and project duration. There are currently no recognized methodologies available for the configurations due to the various geological and technical influencing factors. Several aspects have been considered in many single case studies.

Objective and Method:

To aid a better understanding for the involved design and operational aspects in a system way, main physical and mechanical characteristics of the coarse grain soils encountered in China are briefly summarized; advantages and disadvantages of the spoke type and plate type cutterhead equipped with corresponding cutting tools are outlined; performances of the different shield cutterheads used in the typical subway construction cases are introduced.


Based on the jobsite experiences, discussed are the options with respect to design of the cutterhead and cutting tools in the coarse grain soils, including opening ratio of the cutterhead, configuration of the cutting tools, use of the single disc cutters with inserts, reasonable movement of shield machine, robust shield machines against wears and interventions for changing tools.


According to the discussions, the rule-of-thumb suggestions are presented to provide references for later similar projects.

Keywords: Cutterhead, Cutting tools, Coarse grain soils, Opening ratio, Disc cutter, Wear.

Article Information

Identifiers and Pagination:

Year: 2017
Volume: 11
First Page: 182
Last Page: 199
Publisher Id: TOBCTJ-11-182
DOI: 10.2174/1874836801711010182

Article History:

Received Date: 30/11/2016
Revision Received Date: 13/02/2017
Acceptance Date: 13/02/2017
Electronic publication date: 21/04/2017
Collection year: 2017

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© 2017 Li et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the School of Civil Engineering, Beijing Jiaotong University, No.3 of Shangyuancun, Xizhimenwai, Haidian District, Beijing, China; Tel: (86-10) 51688115; Fax: (86-10) 51688022; E-mails:,


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Hailong Zhao
School of Civil Engineering,
Tianjin University, Tianjin,

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