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Thrust and torque components on mixed-face EPB drives

Author
González, C.; Arroyo, M.; Gens, A.
Type of activity
Journal article
Journal
Tunnelling and underground space technology
Date of publication
2016-08
Volume
57
First page
47
Last page
54
DOI
https://doi.org/10.1016/j.tust.2016.01.037 Open in new window
Repository
http://hdl.handle.net/2117/106052 Open in new window
URL
http://www.sciencedirect.com/science/article/pii/S0886779815301814 Open in new window
Abstract
In this communication we propose a method to estimate net thrust and torque applied at the excavation front by cutting tools from EPB machines when they are working in mixed faces constituted by soils and soft rock. The method is inspired by similar simplifications used for the analysis of TBM drives in rock. The proposal is validated using a database of EPB registers which were gathered from more than 35 km of tunnel drives excavated in soils, soft rock and heterogeneous media. The results allo...
Citation
González, C., Arroyo, M., Gens, A. Thrust and torque components on mixed-face EPB drives. "Tunnelling and underground space technology", Agost 2016, vol. 57, p. 47-54.
Keywords
Cutting tool, EPB machine, Heterogeneous media, Soil, Thrust, Torque
Group of research
MSR - Soil and Rock Mechanics

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