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Frontiers of Engineering Management

ISSN 2095-7513

ISSN 2096-0255(Online)

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Front. Eng    2024, Vol. 11 Issue (1) : 175-179    https://doi.org/10.1007/s42524-023-0288-7
Technical innovation in the “Beishan No. 1” hard rock tunnel boring machine for high-gradient spiral tunnels
Ju WANG1(), Mengxue QI2, Bin LONG3, Hongsu MA1
1. Beijing Research Institute of Uranium Geology, Beijing 100029, China
2. China Railway 18th Bureau Group Tunnel Engineering Co., Ltd., Chongqing 400700, China
3. China Railway Construction Heavy Industry Co., Ltd., Changsha 410100, China
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Keywords tunnel boring machine      extremely hard rock      continuous small-radius curves      high gradient      equipment technology      innovation     
Corresponding Author(s): Ju WANG   
Just Accepted Date: 04 January 2024   Online First Date: 05 February 2024    Issue Date: 13 March 2024
 Cite this article:   
Ju WANG,Mengxue QI,Bin LONG, et al. Technical innovation in the “Beishan No. 1” hard rock tunnel boring machine for high-gradient spiral tunnels[J]. Front. Eng, 2024, 11(1): 175-179.
 URL:  
https://academic.hep.com.cn/fem/EN/10.1007/s42524-023-0288-7
https://academic.hep.com.cn/fem/EN/Y2024/V11/I1/175
Fig.1  Overall layout design of Beishan Underground Research Laboratory (sourced from Wang et al. (2023)).
Fig.2  Hard rock tunnel boring machine “Beishan No. 1”.
Fig.3  Performance analysis of conical cutterheads with different cone angles.
Fig.4  Drilling system for hole making.
Fig.5  Back-up system with double-deck layout design.
Fig.6  Specialized conveyor system for muck transportation in factory test.
Fig.7  The “Beishan No. 1” TBM stepping into the ramp (sourced from Wang et al. (2023)).
Fig.8  Internal view of the spiral ramp with small-radius turn and steep gradient excavation (sourced from Wang et al. (2023)).
1 J Wang, L Chen, R Su, Z C Zhou, X G Zhao, X Tian, R L Ji, H S Ma, (2023). Beishan underground research laboratory for geological disposal of high level radioactive waste in China. World Nuclear Geoscience, 40( S1): 473–490
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