The effect of the rheological stability of a dam tunnel’ surrounding rock linking to different buried depth
- https://doi.org/10.2991/icadme-15.2015.192How to use a DOI?
- Tunnel; Surrounding Rock; Buried Depth; Unloading; Rheology; Lining
This paper is based on a diversion tunnel excavation project, the rheological stability analysis was carried out on the excavation process. Due to large buried depth, tectonic stress and stress have influence on the safety of engineering. Based on the theory of unloading rock mass and rock rheology theory, and applied two software ANSYS and FLAC to the surrounding rock of tunnel of different buried depth before and after applying lining in order to analyze the stress and displacement of the plastic zone. The results showed that in the process of excavation of tunnel hole weeks, it is necessary to consider unloading rock mass action. The influence of buried depth of tunnel surrounding rock near point displacement cannot be ignored. When the tunnel after excavation reaches a certain depth, if continue to excavate, we need to strengthen the strength of the lining.
- © 2015, 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 - C.L Xu AU - R.H Wang PY - 2015/10 DA - 2015/10 TI - The effect of the rheological stability of a dam tunnel’ surrounding rock linking to different buried depth BT - Proceedings of the 5th International Conference on Advanced Design and Manufacturing Engineering PB - Atlantis Press SP - 1031 EP - 1037 SN - 2352-5401 UR - https://doi.org/10.2991/icadme-15.2015.192 DO - https://doi.org/10.2991/icadme-15.2015.192 ID - Xu2015/10 ER -