Study on Optimum Free-face Condition of Cutting Hard Rock with Tunnel Boring Machine Hob

Zhang, XH; Liao, YS; Chen, ZX; Xia, YM; Zhang, K

Liao, YS (corresponding author), Hunan Normal Univ, Coll Engn & Design, Changsha 410081, Peoples R China.

PERIODICA POLYTECHNICA-CIVIL ENGINEERING, 2021; 65 (2): 510

Abstract

To explore the rock-breaking characteristics of cutting hard rock under free-face condition by tunnel boring machine (TBM) hob and obtain the optimum ......

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