Experiment Study on High-efficiency Rock-breaking Mechanism of TBM with A Varying Number of Disc Cutters
- 10.2991/ame-17.2017.43How to use a DOI?
- TBM rock-breaking, High-efficiency, Optimal cutter spacing, Surrounding rock.
It is of significance for Tunnel Boring Machine (TBM) to conduct rock-breaking efficiently and rapidly throughout tunnel construction. The efficient rock-breaking mechanism of TBM has always been a hot yet tough issue in geotechnical engineering. In this paper, by using a self-developed large experiment platform, rock-breaking experiments are conducted with a varying number of disc cutters from one to three. The failure processes of red sandstone, limestone, and granite, are illustrated. The optimal cutter spacing of them is generalized. For further, a formula of wide applicability on optimal cutter spacing is proposed in case the rock's uniaxial strength ranges from 40~170MPa.
- © 2017, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Xing Li AU - Kui Chen AU - Jin-Wei Fu AU - Bing Zhang PY - 2017/04 DA - 2017/04 TI - Experiment Study on High-efficiency Rock-breaking Mechanism of TBM with A Varying Number of Disc Cutters BT - Proceedings of the 3rd Annual International Conference on Advanced Material Engineering (AME 2017) PB - Atlantis Press SP - 251 EP - 255 SN - 2352-5401 UR - https://doi.org/10.2991/ame-17.2017.43 DO - 10.2991/ame-17.2017.43 ID - Li2017/04 ER -