Research paper
Unstable behavior of segmental ring under various pressures and its discrete element simulation.
About this item
- Title
- Unstable behavior of segmental ring under various pressures and its discrete element simulation.
- Content partner
- The University of Auckland Library
- Collection
- ResearchSpace@Auckland
- Description
In February 2012, a serious accident which resulted in five fatalities happened during a TBM-tunnel construction under the seabed in Japan. The cause of the accident appeared to be due to the Key-segment slipping out of the segment ring by the thrusting tailskin (wire brushes) of the TBM into the segment ring. This resulted in the collapse of the rings, causing the seabed ground and seawater to flow into the tunnel. We investigated how thin and thick segments without any circumferential joint...
- Format
- Research paper
- Research format
- Journal article
- Date created
- 2018-11
- Creator
- Kikkawa, Naotaka / Hiraoka, Nobutaka / Itoh, Kazuya / Orense, Rolando
- URL
- http://hdl.handle.net/2292/46030
- Related subjects
- Humans / Equipment Failure / Accidents, Occupational / Pressure / Japan / Construction Industry
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