Stress Analysis and Wear-Resistant Optimization of Shield Cutterhead in Sandy Cobble Strata Using Discrete Element Method

To address the challenges of wear resistance for shield cutterheads and cutters in high-abrasion sandy cobble strata, this study uses the Beijing Metro Line 19 tunnel Niujie–Jinrongjie section as an engineering case study. It employs the DEM to develop a crushable sandy cobble model, evaluate the st...

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Autors principals:	Zhe Liu, Zhiyong Yang, Dingtao Kou, Qingquan Lu, Yingtao Sun, Yusheng Jiang
Format:	Artigo
Idioma:	Inglês
Publicat:	MDPI AG 2026-01-01
Col·lecció:	Applied Sciences
Matèries:	sandy cobble stratum earth pressure balance shield stress wear-resistant design DEM
Accés en línia:	https://www.mdpi.com/2076-3417/16/3/1180
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